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<!--Created on: 3/30/2026 4:17:59 PM-->
<!--Modified on: 3/30/2026 4:17:59 PM-->
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RestrictedCashAndCashEquivalents_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_RestrictedCashAndCashEquivalents_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash and cash equivalents</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_DerivativeOwnedAndPledgedAsCollateralFairValueOfUnrealizedGainOnOpenContracts" xlink:label="gpff_DerivativeOwnedAndPledgedAsCollateralFairValueOfUnrealizedGainOnOpenContracts" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_DerivativeOwnedAndPledgedAsCollateralFairValueOfUnrealizedGainOnOpenContracts" xlink:to="gpff_DerivativeOwnedAndPledgedAsCollateralFairValueOfUnrealizedGainOnOpenContracts_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_DerivativeOwnedAndPledgedAsCollateralFairValueOfUnrealizedGainOnOpenContracts_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair value of the unrealized gain on assets of open derivative contracts pledged to counterparties as collateral.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_DerivativeOwnedAndPledgedAsCollateralFairValueOfUnrealizedGainOnOpenContracts_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Derivative Owned and Pledged as Collateral, Fair Value of Unrealized Gain on Open Contracts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_DerivativeOwnedAndPledgedAsCollateralFairValueOfUnrealizedGainOnOpenContracts_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net unrealized gain on open futures contracts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="gpff_DerivativeOwnedAndPledgedAsCollateralFairValueOfUnrealizedGainOnOpenContracts_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">U.S. and foreign futures contracts</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_DerivativeOwnedAndPledgedAsCollateralFairValueOfUnrealizedLossOnOpenContracts" xlink:label="gpff_DerivativeOwnedAndPledgedAsCollateralFairValueOfUnrealizedLossOnOpenContracts" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_DerivativeOwnedAndPledgedAsCollateralFairValueOfUnrealizedLossOnOpenContracts" xlink:to="gpff_DerivativeOwnedAndPledgedAsCollateralFairValueOfUnrealizedLossOnOpenContracts_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_DerivativeOwnedAndPledgedAsCollateralFairValueOfUnrealizedLossOnOpenContracts_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair value of the unrealized loss on assets of open derivative contracts pledged to counterparties as collateral.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_DerivativeOwnedAndPledgedAsCollateralFairValueOfUnrealizedLossOnOpenContracts_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Derivative Owned and Pledged as Collateral, Fair Value of Unrealized Loss on Open Contracts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="gpff_DerivativeOwnedAndPledgedAsCollateralFairValueOfUnrealizedLossOnOpenContracts_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">U.S. and foreign futures contracts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="gpff_DerivativeOwnedAndPledgedAsCollateralFairValueOfUnrealizedLossOnOpenContracts_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net unrealized loss on open futures contracts</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InvestmentTypeExtensibleEnumeration" xlink:label="us-gaap_InvestmentTypeExtensibleEnumeration" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentTypeExtensibleEnumeration" xlink:to="us-gaap_InvestmentTypeExtensibleEnumeration_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InvestmentTypeExtensibleEnumeration_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Investment, Type [Extensible Enumeration]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InvestmentTypeExtensibleEnumeration_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Investment type</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_TotalEquityInBrokersTradingAccounts" xlink:label="gpff_TotalEquityInBrokersTradingAccounts" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_TotalEquityInBrokersTradingAccounts" xlink:to="gpff_TotalEquityInBrokersTradingAccounts_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_TotalEquityInBrokersTradingAccounts_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount of total equity in brokers' trading accounts. This pertains to the amount of investment in category of equity in brokers trading accounts.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_TotalEquityInBrokersTradingAccounts_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total Equity in Brokers Trading Accounts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="gpff_TotalEquityInBrokersTradingAccounts_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total equity in brokers' trading accounts</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash and Cash Equivalents, at Carrying Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash and cash equivalents</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_FinancialInstrumentsExcludingDerivativesOwnedAndNotPledgedAtFairValue" xlink:label="gpff_FinancialInstrumentsExcludingDerivativesOwnedAndNotPledgedAtFairValue" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_FinancialInstrumentsExcludingDerivativesOwnedAndNotPledgedAtFairValue" xlink:to="gpff_FinancialInstrumentsExcludingDerivativesOwnedAndNotPledgedAtFairValue_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_FinancialInstrumentsExcludingDerivativesOwnedAndNotPledgedAtFairValue_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The fair value, as of the balance sheet date, of financial instruments owned by the entity and not pledged to counterparties as collateral. Excludes derivative contracts.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_FinancialInstrumentsExcludingDerivativesOwnedAndNotPledgedAtFairValue_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial Instruments, Excluding Derivatives, Owned and not Pledged at Fair Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_FinancialInstrumentsExcludingDerivativesOwnedAndNotPledgedAtFairValue_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Investments Owned, Fair Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="gpff_FinancialInstrumentsExcludingDerivativesOwnedAndNotPledgedAtFairValue_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Securities owned, at fair value</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccruedInvestmentIncomeReceivable" xlink:label="us-gaap_AccruedInvestmentIncomeReceivable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccruedInvestmentIncomeReceivable" xlink:to="us-gaap_AccruedInvestmentIncomeReceivable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccruedInvestmentIncomeReceivable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Accrued Investment Income Receivable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AccruedInvestmentIncomeReceivable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Interest receivable, net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_AccruedInvestmentIncomeReceivable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Interest receivable, net</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Assets" xlink:label="us-gaap_Assets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Assets" xlink:to="us-gaap_Assets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_Assets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_Assets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total assets</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Liabilities and Equity [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Liabilities and Partners' Capital (Net Asset Value)</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LiabilitiesAbstract" xlink:label="us-gaap_LiabilitiesAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesAbstract" xlink:to="us-gaap_LiabilitiesAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Liabilities [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LiabilitiesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Liabilities</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_FeePayableToGeneralPartner" xlink:label="gpff_FeePayableToGeneralPartner" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_FeePayableToGeneralPartner" xlink:to="gpff_FeePayableToGeneralPartner_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_FeePayableToGeneralPartner_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fee payable to the general partner for selling agent compensation, consulting fees to the trading advisors and general partner fee.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_FeePayableToGeneralPartner_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fee Payable to General Partner</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_FeePayableToGeneralPartner_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Brokerage charge payable</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_OrganizationAndOfferingCostsPayable" xlink:label="gpff_OrganizationAndOfferingCostsPayable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_OrganizationAndOfferingCostsPayable" xlink:to="gpff_OrganizationAndOfferingCostsPayable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_OrganizationAndOfferingCostsPayable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Carrying value as of the balance sheet date of liabilities incurred and payable for organization and offering costs. It includes all expenses incurred in connection with the organization and the ongoing public offering of partnership interests.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_OrganizationAndOfferingCostsPayable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Organization and Offering Costs Payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_OrganizationAndOfferingCostsPayable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Organization and offering costs payable</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccruedLiabilitiesCurrentAndNoncurrent" xlink:label="us-gaap_AccruedLiabilitiesCurrentAndNoncurrent" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccruedLiabilitiesCurrentAndNoncurrent" xlink:to="us-gaap_AccruedLiabilitiesCurrentAndNoncurrent_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccruedLiabilitiesCurrentAndNoncurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Accrued Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AccruedLiabilitiesCurrentAndNoncurrent_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Accrued operating expenses</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_RedemptionsPayable" xlink:label="gpff_RedemptionsPayable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_RedemptionsPayable" xlink:to="gpff_RedemptionsPayable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_RedemptionsPayable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Carrying value as of the balance sheet date of liabilities incurred and payable for redemptions of units to partners.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_RedemptionsPayable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Redemptions Payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_RedemptionsPayable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Redemptions payable to limited partners</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_SecuritiesPurchasedPayable" xlink:label="gpff_SecuritiesPurchasedPayable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_SecuritiesPurchasedPayable" xlink:to="gpff_SecuritiesPurchasedPayable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_SecuritiesPurchasedPayable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount owed for securities already bought but not yet paid.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_SecuritiesPurchasedPayable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Securities Purchased Payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_SecuritiesPurchasedPayable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Securities purchased payable</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Liabilities" xlink:label="us-gaap_Liabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Liabilities" xlink:to="us-gaap_Liabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_Liabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_Liabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total liabilities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PartnersCapitalAbstract" xlink:label="us-gaap_PartnersCapitalAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PartnersCapitalAbstract" xlink:to="us-gaap_PartnersCapitalAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PartnersCapitalAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Partners' Capital [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PartnersCapitalAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Partners' Capital (Net Asset Value)</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GeneralPartnersCapitalAccount" xlink:label="us-gaap_GeneralPartnersCapitalAccount" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GeneralPartnersCapitalAccount" xlink:to="us-gaap_GeneralPartnersCapitalAccount_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GeneralPartnersCapitalAccount_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">General Partners' Capital Account</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_GeneralPartnersCapitalAccount_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Partners' capital, (net asset value)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_GeneralPartnersCapitalAccount_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Partners' capital, (net asset value)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_GeneralPartnersCapitalAccount_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">General Partner</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LimitedPartnersCapitalAccount" xlink:label="us-gaap_LimitedPartnersCapitalAccount" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LimitedPartnersCapitalAccount" xlink:to="us-gaap_LimitedPartnersCapitalAccount_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LimitedPartnersCapitalAccount_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Limited Partners' Capital Account</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_LimitedPartnersCapitalAccount_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Partners' capital, (net asset value)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_LimitedPartnersCapitalAccount_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Partners' capital, (net asset value)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LimitedPartnersCapitalAccount_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Limited Partners</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PartnersCapital" xlink:label="us-gaap_PartnersCapital" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PartnersCapital" xlink:to="us-gaap_PartnersCapital_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PartnersCapital_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Partners' Capital</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_PartnersCapital_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Partners' capital, (net asset value)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_PartnersCapital_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Partners' capital, (net asset value)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_PartnersCapital_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total partners' capital (net asset value)</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesAndStockholdersEquity" xlink:to="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Liabilities and Equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total liabilities and partners' capital (net asset value)</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_FinancialInstrumentsExcludingDerivativesOwnedAndNotPledgedCost" xlink:label="gpff_FinancialInstrumentsExcludingDerivativesOwnedAndNotPledgedCost" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_FinancialInstrumentsExcludingDerivativesOwnedAndNotPledgedCost" xlink:to="gpff_FinancialInstrumentsExcludingDerivativesOwnedAndNotPledgedCost_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_FinancialInstrumentsExcludingDerivativesOwnedAndNotPledgedCost_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The cost of financial instruments, excluding derivatives, owned by the entity and not pledged to counterparties as collateral.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_FinancialInstrumentsExcludingDerivativesOwnedAndNotPledgedCost_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial Instruments Excluding Derivatives, Owned and not Pledged, Cost</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_FinancialInstrumentsExcludingDerivativesOwnedAndNotPledgedCost_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Securities owned, cost (in dollars)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="gpff_FinancialInstrumentsExcludingDerivativesOwnedAndNotPledgedCost_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Investments Owned, Cost</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GeneralPartnersCapitalAccountUnitsOutstanding" xlink:label="us-gaap_GeneralPartnersCapitalAccountUnitsOutstanding" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GeneralPartnersCapitalAccountUnitsOutstanding" xlink:to="us-gaap_GeneralPartnersCapitalAccountUnitsOutstanding_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GeneralPartnersCapitalAccountUnitsOutstanding_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">General Partners' Capital Account, Units Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_GeneralPartnersCapitalAccountUnitsOutstanding_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Partners' capital, (net asset value) (in units)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_GeneralPartnersCapitalAccountUnitsOutstanding_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Partners' capital, (net asset value) (in units)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_GeneralPartnersCapitalAccountUnitsOutstanding_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">General Partner, units outstanding</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding" xlink:label="us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding" xlink:to="us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Limited Partners' Capital Account, Units Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Partners' capital, (net asset value) (in units)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Partners' capital, (net asset value) (in units)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Limited Partners, units outstanding</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfInvestmentsAbstract" xlink:label="us-gaap_ScheduleOfInvestmentsAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfInvestmentsAbstract" xlink:to="us-gaap_ScheduleOfInvestmentsAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfInvestmentsAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Consolidated Condensed Schedule of Investments</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SummaryOfInvestmentHoldingsTable" xlink:label="us-gaap_SummaryOfInvestmentHoldingsTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SummaryOfInvestmentHoldingsTable" xlink:to="us-gaap_SummaryOfInvestmentHoldingsTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SummaryOfInvestmentHoldingsTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Investment Holdings [Table]</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_InvestmentsAxis" xlink:label="gpff_InvestmentsAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_InvestmentsAxis" xlink:to="gpff_InvestmentsAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_InvestmentsAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">A categorization of investments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_InvestmentsAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Investments [Axis]</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_InvestmentsDomain" xlink:label="gpff_InvestmentsDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_InvestmentsDomain" xlink:to="gpff_InvestmentsDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_InvestmentsDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">A categorization of investments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_InvestmentsDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Investment [Domain]</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_OpenContractsMember" xlink:label="gpff_OpenContractsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_OpenContractsMember" xlink:to="gpff_OpenContractsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_OpenContractsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Investments held in securities, derivatives etc. i.e. open contract and which is interchangeable and which investors buy or sell, usually through futures, forward and options on futures and forward contracts.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_OpenContractsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Open contracts</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_OpenLongContractsMember" xlink:label="gpff_OpenLongContractsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_OpenLongContractsMember" xlink:to="gpff_OpenLongContractsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_OpenLongContractsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Investments held in securities, derivatives etc. i.e. open long contract and which is interchangeable and which investors buy or sell, usually through futures, forward and options on futures and forward contracts.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_OpenLongContractsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Open long contracts</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_OpenShortContractsMember" xlink:label="gpff_OpenShortContractsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_OpenShortContractsMember" xlink:to="gpff_OpenShortContractsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_OpenShortContractsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Investments held in securities, derivatives etc. i.e. open short contract and which is interchangeable and which investors buy or sell, usually through futures, forward and options on futures and forward contracts.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_OpenShortContractsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Open short contracts</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_SecuritiesMember" xlink:label="gpff_SecuritiesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_SecuritiesMember" xlink:to="gpff_SecuritiesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_SecuritiesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Investment held in securities, such as treasury bills, certificates of deposits etc.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_SecuritiesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Securities owned</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InvestmentTypeAxis" xlink:label="us-gaap_InvestmentTypeAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentTypeAxis" xlink:to="us-gaap_InvestmentTypeAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InvestmentTypeAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Investment Type [Axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InvestmentTypeCategorizationMember" xlink:label="us-gaap_InvestmentTypeCategorizationMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentTypeCategorizationMember" xlink:to="us-gaap_InvestmentTypeCategorizationMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InvestmentTypeCategorizationMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Investments [Domain]</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_FuturesForwardAndSwapContractsMember" xlink:label="gpff_FuturesForwardAndSwapContractsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_FuturesForwardAndSwapContractsMember" xlink:to="gpff_FuturesForwardAndSwapContractsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_FuturesForwardAndSwapContractsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Investments held in derivative instruments such as futures, forward, and swap contracts.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_FuturesForwardAndSwapContractsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Futures, Forward, and Swap Contracts</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_TotalFuturesAndSwapContractsMember" xlink:label="gpff_TotalFuturesAndSwapContractsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_TotalFuturesAndSwapContractsMember" xlink:to="gpff_TotalFuturesAndSwapContractsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_TotalFuturesAndSwapContractsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Investments held in derivative instruments such as futures and swap contracts.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_TotalFuturesAndSwapContractsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total Futures and Swap Contracts [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_TotalFuturesAndSwapContractsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total Futures and Swap Contracts</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_FuturesContractsMember" xlink:label="gpff_FuturesContractsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_FuturesContractsMember" xlink:to="gpff_FuturesContractsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_FuturesContractsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Investments held in derivative instruments, such as futures contract which is interchangeable and which investors buy or sell, usually through futures, forward and options on futures and forward contracts.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_FuturesContractsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Futures Contracts</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_USFuturesPositionsMember" xlink:label="gpff_USFuturesPositionsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_USFuturesPositionsMember" xlink:to="gpff_USFuturesPositionsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_USFuturesPositionsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Investments held in derivative instruments in U.S. futures contract, which are classified on the basis of geographic region which is interchangeable and which investors buy or sell, usually through futures, forward and options on futures and forward contracts.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_USFuturesPositionsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">U.S. Futures Positions</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_ForeignFuturesPositionsMember" xlink:label="gpff_ForeignFuturesPositionsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_ForeignFuturesPositionsMember" xlink:to="gpff_ForeignFuturesPositionsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_ForeignFuturesPositionsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Investments held in derivative instruments in foreign futures contract, which are classified on the basis of geographic region which is interchangeable and which investors buy or sell, usually through futures, forward and options on futures and forward contracts.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_ForeignFuturesPositionsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Foreign Futures Positions</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_USGovernmentSponsoredEnterprisesMember" xlink:label="gpff_USGovernmentSponsoredEnterprisesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_USGovernmentSponsoredEnterprisesMember" xlink:to="gpff_USGovernmentSponsoredEnterprisesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_USGovernmentSponsoredEnterprisesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Investment held in securities in U. S. government sponsored enterprises, such as in federal agricultural mortgage corp, which is interchangeable and which investors buy or sell, usually through futures, forward and options on futures and forward contracts.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_USGovernmentSponsoredEnterprisesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">U.S. Government-sponsored Enterprises [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_USGovernmentSponsoredEnterprisesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">U.S. Government-sponsored enterprises</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_FederalFarmCreditBankMember" xlink:label="gpff_FederalFarmCreditBankMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_FederalFarmCreditBankMember" xlink:to="gpff_FederalFarmCreditBankMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_FederalFarmCreditBankMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Investment held in securities issued by or through federal farm credit banks.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_FederalFarmCreditBankMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Federal Farm Credit Banks</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FederalHomeLoanBankCertificatesAndObligationsFHLBMember" xlink:label="us-gaap_FederalHomeLoanBankCertificatesAndObligationsFHLBMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FederalHomeLoanBankCertificatesAndObligationsFHLBMember" xlink:to="us-gaap_FederalHomeLoanBankCertificatesAndObligationsFHLBMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FederalHomeLoanBankCertificatesAndObligationsFHLBMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Federal Home Loan Bank Certificates and Obligations (FHLB) [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FederalHomeLoanBankCertificatesAndObligationsFHLBMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Federal Home Loan Banks</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_USGovernmentDebtSecuritiesMember" xlink:label="us-gaap_USGovernmentDebtSecuritiesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_USGovernmentDebtSecuritiesMember" xlink:to="us-gaap_USGovernmentDebtSecuritiesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_USGovernmentDebtSecuritiesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">US Government Debt Securities [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_USGovernmentDebtSecuritiesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">U.S. Government securities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_USTreasuryBillSecuritiesMember" xlink:label="us-gaap_USTreasuryBillSecuritiesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_USTreasuryBillSecuritiesMember" xlink:to="us-gaap_USTreasuryBillSecuritiesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_USTreasuryBillSecuritiesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">US Treasury Bill Securities [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_USTreasuryBillSecuritiesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">U.S. Treasury bills</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_USTreasuryBillsMaturingJanuary22026Member" xlink:label="gpff_USTreasuryBillsMaturingJanuary22026Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_USTreasuryBillsMaturingJanuary22026Member" xlink:to="gpff_USTreasuryBillsMaturingJanuary22026Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_USTreasuryBillsMaturingJanuary22026Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Information about negotiable debt securities issued by the United States Department of the Treasury, maturing on January 2, 2026, which are interest bearing and are backed by the full faith and credit of the United States government.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_USTreasuryBillsMaturingJanuary22026Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">U S Treasury Bills, Maturing January 2, 2026 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_USTreasuryBillsMaturingJanuary22026Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">U.S. Treasury bill, Maturing 1/2/2026</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_USTreasuryBillsMaturingFebruary122026Member" xlink:label="gpff_USTreasuryBillsMaturingFebruary122026Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_USTreasuryBillsMaturingFebruary122026Member" xlink:to="gpff_USTreasuryBillsMaturingFebruary122026Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_USTreasuryBillsMaturingFebruary122026Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Information about negotiable debt securities issued by the United States Department of the Treasury, maturing on February 12, 2026, which are interest bearing and are backed by the full faith and credit of the United States government.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_USTreasuryBillsMaturingFebruary122026Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">U S Treasury Bills, Maturing February 12, 2026 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_USTreasuryBillsMaturingFebruary122026Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">U.S. Treasury bill, Maturing 2/12/2026</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_USTreasuryBillsMaturingMarch52026Member" xlink:label="gpff_USTreasuryBillsMaturingMarch52026Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_USTreasuryBillsMaturingMarch52026Member" xlink:to="gpff_USTreasuryBillsMaturingMarch52026Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_USTreasuryBillsMaturingMarch52026Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Information about negotiable debt securities issued by the United States Department of the Treasury, maturing on March 5, 2026, which are interest bearing and are backed by the full faith and credit of the United States government.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_USTreasuryBillsMaturingMarch52026Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">U S Treasury Bills, Maturing March 5, 2026 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_USTreasuryBillsMaturingMarch52026Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">U.S. Treasury bill, Maturing 3/5/2026</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_USTreasuryBillsMaturingMarch122026Member" xlink:label="gpff_USTreasuryBillsMaturingMarch122026Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_USTreasuryBillsMaturingMarch122026Member" xlink:to="gpff_USTreasuryBillsMaturingMarch122026Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_USTreasuryBillsMaturingMarch122026Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Information about negotiable debt securities issued by the United States Department of the Treasury, maturing on March 12, 2026, which are interest bearing and are backed by the full faith and credit of the United States government.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_USTreasuryBillsMaturingMarch122026Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">U S Treasury Bills, Maturing March 12, 2026 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_USTreasuryBillsMaturingMarch122026Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">U.S. Treasury bill, Maturing 3/12/2026</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquitySecuritiesByIndustryAxis" xlink:label="us-gaap_EquitySecuritiesByIndustryAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquitySecuritiesByIndustryAxis" xlink:to="us-gaap_EquitySecuritiesByIndustryAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EquitySecuritiesByIndustryAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Industry Sector [Axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquitySecuritiesIndustryMember" xlink:label="us-gaap_EquitySecuritiesIndustryMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquitySecuritiesIndustryMember" xlink:to="us-gaap_EquitySecuritiesIndustryMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EquitySecuritiesIndustryMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Industry Sector [Domain]</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_AgriculturalsMember" xlink:label="gpff_AgriculturalsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_AgriculturalsMember" xlink:to="gpff_AgriculturalsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_AgriculturalsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Investments held in physical substance, such as agricultural which is interchangeable with another product of the same type, and which investors buy or sell, usually through futures, forward and options on futures and forward contracts.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_AgriculturalsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Agriculturals</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_CurrenciesMember" xlink:label="gpff_CurrenciesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_CurrenciesMember" xlink:to="gpff_CurrenciesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_CurrenciesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Investments held in physical substance, such as currency which is interchangeable with another product of the same type, and which investors buy or sell, usually through futures, forward and options on futures and forward contracts.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_CurrenciesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Currencies</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_EnergyMember" xlink:label="gpff_EnergyMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_EnergyMember" xlink:to="gpff_EnergyMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_EnergyMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Investments held in energy which is interchangeable with another product of the same type, and which investors buy or sell, usually through futures, forward and options on futures and forward contracts.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_EnergyMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Energy</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_InterestRatesMember" xlink:label="gpff_InterestRatesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_InterestRatesMember" xlink:to="gpff_InterestRatesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_InterestRatesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Investments held in derivative instruments such as interest rate and which investors buy or sell, usually through futures, forward and options on futures and forward contracts.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_InterestRatesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Interest rates</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_MeatsMember" xlink:label="gpff_MeatsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_MeatsMember" xlink:to="gpff_MeatsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_MeatsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Investments held in physical substance, such as meat which is interchangeable with another product of the same type, and which investors buy or sell, usually through futures, forward and options on futures and forward contracts.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_MeatsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Meats</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_MetalsMember" xlink:label="gpff_MetalsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_MetalsMember" xlink:to="gpff_MetalsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_MetalsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Investments held in physical substance, such as agricultural which is interchangeable with another product of the same type, and which investors buy or sell, usually through futures, forward and options on futures and forward contracts.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_MetalsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Metals</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_SoftCommoditiesMember" xlink:label="gpff_SoftCommoditiesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_SoftCommoditiesMember" xlink:to="gpff_SoftCommoditiesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_SoftCommoditiesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Investments held in derivative instruments, such as soft commodities which is interchangeable and which investors buy or sell, usually through futures, forward and options on futures and forward contracts.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_SoftCommoditiesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Soft commodities</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_StockIndicesAndSingleStockFuturesMember" xlink:label="gpff_StockIndicesAndSingleStockFuturesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_StockIndicesAndSingleStockFuturesMember" xlink:to="gpff_StockIndicesAndSingleStockFuturesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_StockIndicesAndSingleStockFuturesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Investments held in securities, such as stock indices and stock futures which is interchangeable and which investors buy or sell, usually through futures, forward and options on futures and forward contracts.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_StockIndicesAndSingleStockFuturesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Stock indices and single stock futures</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_StockIndicesContractsMember" xlink:label="gpff_StockIndicesContractsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_StockIndicesContractsMember" xlink:to="gpff_StockIndicesContractsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_StockIndicesContractsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the information pertaining to stock indices contracts.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_StockIndicesContractsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Stock indices</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SummaryOfInvestmentHoldingsLineItems" xlink:label="us-gaap_SummaryOfInvestmentHoldingsLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SummaryOfInvestmentHoldingsLineItems" xlink:to="us-gaap_SummaryOfInvestmentHoldingsLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SummaryOfInvestmentHoldingsLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Summary of Investment Holdings [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_SummaryOfInvestmentHoldingsLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Unrealized gain/(loss), percent of partners' capital (net asset value), face value and fair value of Investments Owned</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_InvestmentOwnedUnrealizedGainLossOnOpenContractsNet" xlink:label="gpff_InvestmentOwnedUnrealizedGainLossOnOpenContractsNet" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_InvestmentOwnedUnrealizedGainLossOnOpenContractsNet" xlink:to="gpff_InvestmentOwnedUnrealizedGainLossOnOpenContractsNet_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_InvestmentOwnedUnrealizedGainLossOnOpenContractsNet_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of investments, held at each balance sheet date.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_InvestmentOwnedUnrealizedGainLossOnOpenContractsNet_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Investment Owned, Unrealized Gain (Loss) on Open Contracts, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_InvestmentOwnedUnrealizedGainLossOnOpenContractsNet_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net unrealized gain/(loss) on open contracts</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InvestmentOwnedPercentOfNetAssets" xlink:label="us-gaap_InvestmentOwnedPercentOfNetAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentOwnedPercentOfNetAssets" xlink:to="us-gaap_InvestmentOwnedPercentOfNetAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InvestmentOwnedPercentOfNetAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Investment Owned, Net Assets, Percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InvestmentOwnedPercentOfNetAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percent of Partners' Capital (Net Asset Value)</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InvestmentOwnedUnderlyingFaceAmountAtMarketValue" xlink:label="us-gaap_InvestmentOwnedUnderlyingFaceAmountAtMarketValue" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentOwnedUnderlyingFaceAmountAtMarketValue" xlink:to="us-gaap_InvestmentOwnedUnderlyingFaceAmountAtMarketValue_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InvestmentOwnedUnderlyingFaceAmountAtMarketValue_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Investment Owned, Face Amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InvestmentOwnedUnderlyingFaceAmountAtMarketValue_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Investments Owned, Face Value</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_FinancialInstrumentsOwnedRateOfReturnRangeMinimum" xlink:label="gpff_FinancialInstrumentsOwnedRateOfReturnRangeMinimum" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_FinancialInstrumentsOwnedRateOfReturnRangeMinimum" xlink:to="gpff_FinancialInstrumentsOwnedRateOfReturnRangeMinimum_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_FinancialInstrumentsOwnedRateOfReturnRangeMinimum_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The lowest interest rate on the financial instruments owned that are reported on the Schedule of Investments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_FinancialInstrumentsOwnedRateOfReturnRangeMinimum_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial Instruments Owned, Rate of Return Range Minimum</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_FinancialInstrumentsOwnedRateOfReturnRangeMinimum_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Investments Owned, Rate of Return Range Minimum</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_FinancialInstrumentsOwnedRateOfReturnRangeMaximum" xlink:label="gpff_FinancialInstrumentsOwnedRateOfReturnRangeMaximum" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_FinancialInstrumentsOwnedRateOfReturnRangeMaximum" xlink:to="gpff_FinancialInstrumentsOwnedRateOfReturnRangeMaximum_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_FinancialInstrumentsOwnedRateOfReturnRangeMaximum_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The highest interest rate on the financial instruments owned that are reported on the Schedule of Investments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_FinancialInstrumentsOwnedRateOfReturnRangeMaximum_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial Instruments Owned, Rate of Return Range Maximum</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_FinancialInstrumentsOwnedRateOfReturnRangeMaximum_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Investments Owned, Rate of Return Range Maximum</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_FinancialInstrumentsOwnedRateOfReturn" xlink:label="gpff_FinancialInstrumentsOwnedRateOfReturn" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_FinancialInstrumentsOwnedRateOfReturn" xlink:to="gpff_FinancialInstrumentsOwnedRateOfReturn_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_FinancialInstrumentsOwnedRateOfReturn_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The rate of return on the financial instruments owned.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_FinancialInstrumentsOwnedRateOfReturn_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial Instruments Owned, Rate of Return</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_FinancialInstrumentsOwnedRateOfReturn_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Investments Owned, Rate of Return</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeStatementAbstract" xlink:label="us-gaap_IncomeStatementAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeStatementAbstract" xlink:to="us-gaap_IncomeStatementAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeStatementAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Consolidated Statements of Operations</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PrincipalTransactionsRevenueAbstract" xlink:label="us-gaap_PrincipalTransactionsRevenueAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PrincipalTransactionsRevenueAbstract" xlink:to="us-gaap_PrincipalTransactionsRevenueAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PrincipalTransactionsRevenueAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Principal Transactions Revenue, Net [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PrincipalTransactionsRevenueAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net trading gains (losses)</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetRealizedOrUnrealizedGainLossOnTradingSecuritiesAbstract" xlink:label="us-gaap_NetRealizedOrUnrealizedGainLossOnTradingSecuritiesAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetRealizedOrUnrealizedGainLossOnTradingSecuritiesAbstract" xlink:to="us-gaap_NetRealizedOrUnrealizedGainLossOnTradingSecuritiesAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetRealizedOrUnrealizedGainLossOnTradingSecuritiesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Debt Securities, Trading, Gain (Loss) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_NetRealizedOrUnrealizedGainLossOnTradingSecuritiesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net gains (losses) from futures trading</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GainLossOnSaleOfDerivatives" xlink:label="us-gaap_GainLossOnSaleOfDerivatives" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainLossOnSaleOfDerivatives" xlink:to="us-gaap_GainLossOnSaleOfDerivatives_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GainLossOnSaleOfDerivatives_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Gain (Loss) on Sale of Derivatives</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_GainLossOnSaleOfDerivatives_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Realized</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_UnrealizedGainLossOnDerivatives" xlink:label="us-gaap_UnrealizedGainLossOnDerivatives" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnrealizedGainLossOnDerivatives" xlink:to="us-gaap_UnrealizedGainLossOnDerivatives_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_UnrealizedGainLossOnDerivatives_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Unrealized Gain (Loss) on Derivatives</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_UnrealizedGainLossOnDerivatives_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Change in unrealized</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FloorBrokerageExchangeAndClearanceFees" xlink:label="us-gaap_FloorBrokerageExchangeAndClearanceFees" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FloorBrokerageExchangeAndClearanceFees" xlink:to="us-gaap_FloorBrokerageExchangeAndClearanceFees_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FloorBrokerageExchangeAndClearanceFees_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Floor Brokerage, Exchange and Clearance Fees</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_FloorBrokerageExchangeAndClearanceFees_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Commissions</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_NetGainLossOnDerivativeInstrumentsHeldForTradingPurposesNetOfCommissions" xlink:label="gpff_NetGainLossOnDerivativeInstrumentsHeldForTradingPurposesNetOfCommissions" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_NetGainLossOnDerivativeInstrumentsHeldForTradingPurposesNetOfCommissions" xlink:to="gpff_NetGainLossOnDerivativeInstrumentsHeldForTradingPurposesNetOfCommissions_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_NetGainLossOnDerivativeInstrumentsHeldForTradingPurposesNetOfCommissions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Aggregate net gain and losses (whether realized or unrealized) on all derivative instruments held for trading purposes whether or not settled physically, net of commissions.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_NetGainLossOnDerivativeInstrumentsHeldForTradingPurposesNetOfCommissions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net Gain (Loss) on Derivative Instruments Held for Trading Purposes, Net of Commissions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="gpff_NetGainLossOnDerivativeInstrumentsHeldForTradingPurposesNetOfCommissions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net gains (losses) from futures trading</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesRealizedGainLoss" xlink:label="us-gaap_DebtSecuritiesRealizedGainLoss" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtSecuritiesRealizedGainLoss" xlink:to="us-gaap_DebtSecuritiesRealizedGainLoss_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtSecuritiesRealizedGainLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Debt Securities, Realized Gain (Loss)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtSecuritiesRealizedGainLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Realized</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesUnrealizedGainLoss" xlink:label="us-gaap_DebtSecuritiesUnrealizedGainLoss" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtSecuritiesUnrealizedGainLoss" xlink:to="us-gaap_DebtSecuritiesUnrealizedGainLoss_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtSecuritiesUnrealizedGainLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Debt Securities, Unrealized Gain (Loss)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_DebtSecuritiesUnrealizedGainLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Unrealized loss on investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtSecuritiesUnrealizedGainLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Change in unrealized</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_GainLossOnSecuritiesNetOfCommissions" xlink:label="gpff_GainLossOnSecuritiesNetOfCommissions" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_GainLossOnSecuritiesNetOfCommissions" xlink:to="gpff_GainLossOnSecuritiesNetOfCommissions_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_GainLossOnSecuritiesNetOfCommissions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Aggregate net gain (loss) (whether realized or unrealized) on securities, net of commissions.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_GainLossOnSecuritiesNetOfCommissions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Gain (Loss) on Securities, Net of Commissions</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_TradingGainsLossesNetOfCommissionsMarketableSecuritiesAndDerivatives_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trading Gains (Losses), Net of Commissions, Marketable Securities and Derivatives</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InterestAndDividendIncomeOperatingAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Income</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InvestmentIncomeInterestAndDividend_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Investment Income, Interest and Dividend</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InvestmentIncomeInterestAndDividend_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Interest and dividend income, net</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingExpensesAbstract" xlink:label="us-gaap_OperatingExpensesAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingExpensesAbstract" xlink:to="us-gaap_OperatingExpensesAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingExpensesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Operating Expenses [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OperatingExpensesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Expenses from operations</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_FeesToGeneralPartner" xlink:label="gpff_FeesToGeneralPartner" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_FeesToGeneralPartner_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Expenses charged against the earnings during the period that are related to the general partner fee, selling agent compensation and consulting fees to the trading advisors etc.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_FeesToGeneralPartner_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fees to General Partner</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_FeesToGeneralPartner_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Brokerage charge</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_IncentiveFees" xlink:label="gpff_IncentiveFees" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_IncentiveFees" xlink:to="gpff_IncentiveFees_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_IncentiveFees_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount of incentive fees charged (credited) against the earnings during the period payable to the trading advisors.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_IncentiveFees_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Incentive fees</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_IncentiveFees_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Incentive fees</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_OrganizationalAndOfferingCosts" xlink:label="gpff_OrganizationalAndOfferingCosts" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_OrganizationalAndOfferingCosts" xlink:to="gpff_OrganizationalAndOfferingCosts_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_OrganizationalAndOfferingCosts_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Expenses recognized in the period that are related to organization and offering costs incurred in connection with the organization and the ongoing public offering of partnership interests.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_OrganizationalAndOfferingCosts_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Organizational and Offering Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_OrganizationalAndOfferingCosts_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Organizational and offering costs</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherCostAndExpenseOperating" xlink:label="us-gaap_OtherCostAndExpenseOperating" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherCostAndExpenseOperating" xlink:to="us-gaap_OtherCostAndExpenseOperating_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherCostAndExpenseOperating_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Cost and Expense, Operating</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherCostAndExpenseOperating_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Operating expenses</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingExpenses" xlink:label="us-gaap_OperatingExpenses" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingExpenses" xlink:to="us-gaap_OperatingExpenses_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingExpenses_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Operating Expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_OperatingExpenses_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total expenses</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InvestmentIncomeNet" xlink:label="us-gaap_InvestmentIncomeNet" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentIncomeNet" xlink:to="us-gaap_InvestmentIncomeNet_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InvestmentIncomeNet_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Investment Income, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_InvestmentIncomeNet_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net investment loss</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLoss" xlink:label="us-gaap_NetIncomeLoss" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_NetIncomeLoss_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net income (loss)</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="us-gaap_EarningsPerShareAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EarningsPerShareAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Earnings Per Share [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_EarningsPerShareAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net income (loss) per unit</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLossPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasic" xlink:label="us-gaap_NetIncomeLossPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasic" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLossPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasic" xlink:to="us-gaap_NetIncomeLossPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasic_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetIncomeLossPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasic_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net Income (Loss), Per Outstanding Limited Partnership and General Partnership Unit, Basic, Net of Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetIncomeLossPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasic_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total income (loss) from operations (in dollars per unit)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_NetIncomeLossPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasic_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net income (loss) per unit (based on weighted average number of units outstanding during the period) and increase (decrease) in net asset value per unit for the period</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_WeightedAverageLimitedPartnershipAndGeneralPartnershipUnitsOutstandingBasic" xlink:label="us-gaap_WeightedAverageLimitedPartnershipAndGeneralPartnershipUnitsOutstandingBasic" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_WeightedAverageLimitedPartnershipAndGeneralPartnershipUnitsOutstandingBasic_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Weighted Average Limited Partnership and General Partnership Units Outstanding, Basic</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_WeightedAverageLimitedPartnershipAndGeneralPartnershipUnitsOutstandingBasic_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Weighted average number of units outstanding</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementOfPartnersCapitalAbstract" xlink:label="us-gaap_StatementOfPartnersCapitalAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementOfPartnersCapitalAbstract" xlink:to="us-gaap_StatementOfPartnersCapitalAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementOfPartnersCapitalAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Consolidated Statements of Changes in Partners' Capital (Net Asset Value)</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PartnerTypeOfPartnersCapitalAccountAxis" xlink:label="us-gaap_PartnerTypeOfPartnersCapitalAccountAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PartnerTypeOfPartnersCapitalAccountAxis" xlink:to="us-gaap_PartnerTypeOfPartnersCapitalAccountAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PartnerTypeOfPartnersCapitalAccountAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Partner Type [Axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PartnerTypeOfPartnersCapitalAccountNameDomain" xlink:label="us-gaap_PartnerTypeOfPartnersCapitalAccountNameDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GeneralPartnerMember" xlink:label="us-gaap_GeneralPartnerMember" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_GeneralPartnerMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">General Partner</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LimitedPartnerMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Limited Partner [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LimitedPartnerMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Limited Partners</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInPartnersCapitalRollForward" xlink:label="us-gaap_IncreaseDecreaseInPartnersCapitalRollForward" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInPartnersCapitalRollForward_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (Decrease) in Partners' Capital [Roll Forward]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IncreaseDecreaseInPartnersCapitalRollForward_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Increase (Decrease) in Partners' Capital</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_PartnerCapitalAccountChangeRelatedToContributionsByGeneralPartnerNet" xlink:label="gpff_PartnerCapitalAccountChangeRelatedToContributionsByGeneralPartnerNet" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_PartnerCapitalAccountChangeRelatedToContributionsByGeneralPartnerNet" xlink:to="gpff_PartnerCapitalAccountChangeRelatedToContributionsByGeneralPartnerNet_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_PartnerCapitalAccountChangeRelatedToContributionsByGeneralPartnerNet_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total net change in each class of partners (i.e., general, limited and preferred partners) related to contributions made by General Partner.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_PartnerCapitalAccountChangeRelatedToContributionsByGeneralPartnerNet_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Partner Capital Account, Change Related To Contributions By General Partner, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_PartnerCapitalAccountChangeRelatedToContributionsByGeneralPartnerNet_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net increase (decrease) from payments by General Partner</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PartnersCapitalAccountRedemptions" xlink:label="us-gaap_PartnersCapitalAccountRedemptions" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PartnersCapitalAccountRedemptions" xlink:to="us-gaap_PartnersCapitalAccountRedemptions_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PartnersCapitalAccountRedemptions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Partners' Capital Account, Redemptions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_PartnersCapitalAccountRedemptions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Redemptions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PartnersCapitalAccountRedemptions_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Redemptions</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PartnersCapitalAccountUnitsRedeemed" xlink:label="us-gaap_PartnersCapitalAccountUnitsRedeemed" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PartnersCapitalAccountUnitsRedeemed" xlink:to="us-gaap_PartnersCapitalAccountUnitsRedeemed_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PartnersCapitalAccountUnitsRedeemed_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Partners' Capital Account, Units, Redeemed</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_PartnersCapitalAccountUnitsRedeemed_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Redemptions (in units)</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_NetAssetValuePerUnit" xlink:label="gpff_NetAssetValuePerUnit" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_NetAssetValuePerUnit" xlink:to="gpff_NetAssetValuePerUnit_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_NetAssetValuePerUnit_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This amount provides for net asset value per unit. Net asset value per unit is computed by dividing net asset value by units outstanding.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_NetAssetValuePerUnit_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net Asset Value Per Unit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="gpff_NetAssetValuePerUnit_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net asset value per unit at end of period (in dollars per unit)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="gpff_NetAssetValuePerUnit_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net asset value per unit at beginning of period (in dollars per unit)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_NetAssetValuePerUnit_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net asset value per unit at end of period (in dollars per unit)</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="us-gaap_AccountingPoliciesAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="us-gaap_AccountingPoliciesAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccountingPoliciesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Nature of Business and Significant Accounting Policies</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock" xlink:label="us-gaap_OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock" xlink:to="us-gaap_OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Nature of Business and Significant Accounting Policies</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="us-gaap_FairValueDisclosuresAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueDisclosuresAbstract" xlink:to="us-gaap_FairValueDisclosuresAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueDisclosuresAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair Value Measurements</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueDisclosuresTextBlock" xlink:label="us-gaap_FairValueDisclosuresTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueDisclosuresTextBlock" xlink:to="us-gaap_FairValueDisclosuresTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueDisclosuresTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair Value Disclosures [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FairValueDisclosuresTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair Value Measurements</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DepositAssetsAbstract" xlink:label="us-gaap_DepositAssetsAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DepositAssetsAbstract" xlink:to="us-gaap_DepositAssetsAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DepositAssetsAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Deposits with Brokers</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BrokersAndDealersDisclosureTextBlock" xlink:label="us-gaap_BrokersAndDealersDisclosureTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BrokersAndDealersDisclosureTextBlock" xlink:to="us-gaap_BrokersAndDealersDisclosureTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BrokersAndDealersDisclosureTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Broker-Dealer Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_BrokersAndDealersDisclosureTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Deposits with Brokers</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_CommodityTradingAdvisorsDisclosureAbstract" xlink:label="gpff_CommodityTradingAdvisorsDisclosureAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_CommodityTradingAdvisorsDisclosureAbstract" xlink:to="gpff_CommodityTradingAdvisorsDisclosureAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_CommodityTradingAdvisorsDisclosureAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Commodity Trading Advisors and Cash Managers</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_CommodityTradingAdvisorsDisclosureTextBlock" xlink:label="gpff_CommodityTradingAdvisorsDisclosureTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_CommodityTradingAdvisorsDisclosureTextBlock" xlink:to="gpff_CommodityTradingAdvisorsDisclosureTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_CommodityTradingAdvisorsDisclosureTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Entire disclosure pursuant to commodity trading advisors and reference traders. It includes the amount of management fees payable to advisors etc.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_CommodityTradingAdvisorsDisclosureTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Commodity Trading Advisors Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_CommodityTradingAdvisorsDisclosureTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Commodity Trading Advisors and Cash Managers</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyTransactionsAbstract" xlink:label="us-gaap_RelatedPartyTransactionsAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RelatedPartyTransactionsAbstract" xlink:to="us-gaap_RelatedPartyTransactionsAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RelatedPartyTransactionsAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">General Partner and Related Party Transactions</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyTransactionsDisclosureTextBlock" xlink:label="us-gaap_RelatedPartyTransactionsDisclosureTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RelatedPartyTransactionsDisclosureTextBlock" xlink:to="us-gaap_RelatedPartyTransactionsDisclosureTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RelatedPartyTransactionsDisclosureTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Related Party Transactions Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RelatedPartyTransactionsDisclosureTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">General Partner and Related Party Transactions</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_SubscriptionsAndRedemptionsAndAllocationOfNetIncomeLossAbstract" xlink:label="gpff_SubscriptionsAndRedemptionsAndAllocationOfNetIncomeLossAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_SubscriptionsAndRedemptionsAndAllocationOfNetIncomeLossAbstract" xlink:to="gpff_SubscriptionsAndRedemptionsAndAllocationOfNetIncomeLossAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_SubscriptionsAndRedemptionsAndAllocationOfNetIncomeLossAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Redemptions and Allocation of Net Income or Loss</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_SubscriptionsAndRedemptionsAndAllocationOfNetIncomeLossDisclosureTextBlock" xlink:label="gpff_SubscriptionsAndRedemptionsAndAllocationOfNetIncomeLossDisclosureTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_SubscriptionsAndRedemptionsAndAllocationOfNetIncomeLossDisclosureTextBlock" xlink:to="gpff_SubscriptionsAndRedemptionsAndAllocationOfNetIncomeLossDisclosureTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_SubscriptionsAndRedemptionsAndAllocationOfNetIncomeLossDisclosureTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The entire disclosures of subscriptions, redemptions and allocation of net income loss.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_SubscriptionsAndRedemptionsAndAllocationOfNetIncomeLossDisclosureTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Subscriptions and Redemptions and Allocation of Net Income (Loss) Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_SubscriptionsAndRedemptionsAndAllocationOfNetIncomeLossDisclosureTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Redemptions and Allocation of Net Income or Loss</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_AssetsAndCondensedScheduleOfInvestmentsByClassOfUnitsAbstract" xlink:label="gpff_AssetsAndCondensedScheduleOfInvestmentsByClassOfUnitsAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_AssetsAndCondensedScheduleOfInvestmentsByClassOfUnitsAbstract" xlink:to="gpff_AssetsAndCondensedScheduleOfInvestmentsByClassOfUnitsAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_AssetsAndCondensedScheduleOfInvestmentsByClassOfUnitsAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">No definition available.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_AssetsAndCondensedScheduleOfInvestmentsByClassOfUnitsAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Assets and Condensed Schedule of Investments by Class of Units</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_InvestmentsByClassOfUnitsTextBlock" xlink:label="gpff_InvestmentsByClassOfUnitsTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_InvestmentsByClassOfUnitsTextBlock" xlink:to="gpff_InvestmentsByClassOfUnitsTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_InvestmentsByClassOfUnitsTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The entire disclosure of investments and activity by class of units.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_InvestmentsByClassOfUnitsTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Investments by Class of Units [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="gpff_InvestmentsByClassOfUnitsTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Assets and Condensed Schedule of Investments by Class of Units</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_FinancialHighlightsDisclosureAbstract" xlink:label="gpff_FinancialHighlightsDisclosureAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_FinancialHighlightsDisclosureAbstract" xlink:to="gpff_FinancialHighlightsDisclosureAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_FinancialHighlightsDisclosureAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial Highlights</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_FinancialHighlightsDisclosureTextBlock" xlink:label="gpff_FinancialHighlightsDisclosureTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_FinancialHighlightsDisclosureTextBlock" xlink:to="gpff_FinancialHighlightsDisclosureTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_FinancialHighlightsDisclosureTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of financial highlights that reflect the activity related to the partnership. It includes disclosure of total return. It includes individual partner's ratio of return and expense also net asset value per unit.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_FinancialHighlightsDisclosureTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial Highlights Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_FinancialHighlightsDisclosureTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial Highlights</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_TradingActivitiesAndRelatedRisksDisclosureAbstract" xlink:label="gpff_TradingActivitiesAndRelatedRisksDisclosureAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_TradingActivitiesAndRelatedRisksDisclosureAbstract" xlink:to="gpff_TradingActivitiesAndRelatedRisksDisclosureAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_TradingActivitiesAndRelatedRisksDisclosureAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trading Activities and Related Risks</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_TradingActivitiesAndRelatedRisksDisclosureTextBlock" xlink:label="gpff_TradingActivitiesAndRelatedRisksDisclosureTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_TradingActivitiesAndRelatedRisksDisclosureTextBlock" xlink:to="gpff_TradingActivitiesAndRelatedRisksDisclosureTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_TradingActivitiesAndRelatedRisksDisclosureTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The entire disclosure for nature of trading activities of partnership business, services it offers and any risks existing at the date of financial statements that make an entity vulnerable to a reasonably possible, near term, severe impact.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_TradingActivitiesAndRelatedRisksDisclosureTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trading Activities and Related Risks Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_TradingActivitiesAndRelatedRisksDisclosureTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trading Activities and Related Risks</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_IndemnificationsDisclosureAbstract" xlink:label="gpff_IndemnificationsDisclosureAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_IndemnificationsDisclosureAbstract" xlink:to="gpff_IndemnificationsDisclosureAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_IndemnificationsDisclosureAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Indemnifications</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_IndemnificationsDisclosureTextBlock" xlink:label="gpff_IndemnificationsDisclosureTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_IndemnificationsDisclosureTextBlock" xlink:to="gpff_IndemnificationsDisclosureTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_IndemnificationsDisclosureTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of contracts and agreements that contain a variety of representations and warranties and which provide general indemnifications.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_IndemnificationsDisclosureTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Indemnifications Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_IndemnificationsDisclosureTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Indemnifications</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DerivativeInstrumentsAndHedgesAbstract" xlink:label="us-gaap_DerivativeInstrumentsAndHedgesAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeInstrumentsAndHedgesAbstract" xlink:to="us-gaap_DerivativeInstrumentsAndHedgesAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DerivativeInstrumentsAndHedgesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Derivative Instruments</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" xlink:label="us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" xlink:to="us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Derivative Instruments and Hedging Activities Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Derivative Instruments</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventsAbstract" xlink:label="us-gaap_SubsequentEventsAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsequentEventsAbstract" xlink:to="us-gaap_SubsequentEventsAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SubsequentEventsAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Subsequent Events</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventsTextBlock" xlink:label="us-gaap_SubsequentEventsTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsequentEventsTextBlock" xlink:to="us-gaap_SubsequentEventsTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SubsequentEventsTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Subsequent Events [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SubsequentEventsTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Subsequent Events</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BasisOfAccountingPolicyPolicyTextBlock" xlink:label="us-gaap_BasisOfAccountingPolicyPolicyTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BasisOfAccountingPolicyPolicyTextBlock" xlink:to="us-gaap_BasisOfAccountingPolicyPolicyTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BasisOfAccountingPolicyPolicyTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Basis of Accounting, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_BasisOfAccountingPolicyPolicyTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Accounting principles</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConsolidationPolicyTextBlock" xlink:label="us-gaap_ConsolidationPolicyTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConsolidationPolicyTextBlock" xlink:to="us-gaap_ConsolidationPolicyTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ConsolidationPolicyTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Consolidation, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ConsolidationPolicyTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Consolidation</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_UseOfEstimates" xlink:label="us-gaap_UseOfEstimates" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UseOfEstimates" xlink:to="us-gaap_UseOfEstimates_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_UseOfEstimates_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Use of Estimates, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_UseOfEstimates_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Use of estimates</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:to="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash and Cash Equivalents, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash and cash equivalents</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InvestmentPolicyTextBlock" xlink:label="us-gaap_InvestmentPolicyTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentPolicyTextBlock" xlink:to="us-gaap_InvestmentPolicyTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InvestmentPolicyTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Investment, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InvestmentPolicyTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Valuation of investments</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_InvestmentTransactionsInvestmentIncomeAndExpensesPolicyTextBlock" xlink:label="gpff_InvestmentTransactionsInvestmentIncomeAndExpensesPolicyTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_InvestmentTransactionsInvestmentIncomeAndExpensesPolicyTextBlock" xlink:to="gpff_InvestmentTransactionsInvestmentIncomeAndExpensesPolicyTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_InvestmentTransactionsInvestmentIncomeAndExpensesPolicyTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of accounting policy for investment transactions, investment income and expenses.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_InvestmentTransactionsInvestmentIncomeAndExpensesPolicyTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Investment Transactions, Investment Income and Expenses [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_InvestmentTransactionsInvestmentIncomeAndExpensesPolicyTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Investment transactions, investment income and expenses</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommissionsPolicy" xlink:label="us-gaap_CommissionsPolicy" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommissionsPolicy" xlink:to="us-gaap_CommissionsPolicy_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommissionsPolicy_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Commissions, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CommissionsPolicy_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Commissions</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_RedemptionsPayablePolicyTextBlock" xlink:label="gpff_RedemptionsPayablePolicyTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_RedemptionsPayablePolicyTextBlock" xlink:to="gpff_RedemptionsPayablePolicyTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_RedemptionsPayablePolicyTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Describes an entity's accounting policy for payables for partners' capital withdrawals.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_RedemptionsPayablePolicyTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Redemptions Payable [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_RedemptionsPayablePolicyTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Redemptions payable</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxPolicyTextBlock" xlink:label="us-gaap_IncomeTaxPolicyTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxPolicyTextBlock" xlink:to="us-gaap_IncomeTaxPolicyTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxPolicyTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Income Tax, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IncomeTaxPolicyTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Income taxes</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_OrganizationAndPublicOfferingCostsPolicyTextBlock" xlink:label="gpff_OrganizationAndPublicOfferingCostsPolicyTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_OrganizationAndPublicOfferingCostsPolicyTextBlock" xlink:to="gpff_OrganizationAndPublicOfferingCostsPolicyTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_OrganizationAndPublicOfferingCostsPolicyTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Describes an entity's accounting policy for organization and the public offering of partnership interests.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_OrganizationAndPublicOfferingCostsPolicyTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Organization and Public Offering Costs [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_OrganizationAndPublicOfferingCostsPolicyTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Organization and offering costs</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock" xlink:label="us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock" xlink:to="us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Foreign Currency Transactions and Translations Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Foreign currency transactions</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_StatementOfCashFlowsPolicyTextBlock" xlink:label="gpff_StatementOfCashFlowsPolicyTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_StatementOfCashFlowsPolicyTextBlock" xlink:to="gpff_StatementOfCashFlowsPolicyTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_StatementOfCashFlowsPolicyTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Describes an entity's accounting policy for statement of cash flows.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_StatementOfCashFlowsPolicyTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Statement of Cash Flows [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_StatementOfCashFlowsPolicyTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Statement of cash flows</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentReportingPolicyPolicyTextBlock" xlink:label="us-gaap_SegmentReportingPolicyPolicyTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentReportingPolicyPolicyTextBlock" xlink:to="us-gaap_SegmentReportingPolicyPolicyTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareLineItems" xlink:label="us-gaap_FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Assets and Condensed Schedule of Investments by Class of Units</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_ScheduleOfAssetsTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of Assets [Table Text Block]</label>
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    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_UnrealizedGainLossOnInvestmentsTableTextBlock" xlink:label="us-gaap_UnrealizedGainLossOnInvestmentsTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_ScheduleOfSecuritiesOwnedTableTextBlock" xlink:label="gpff_ScheduleOfSecuritiesOwnedTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_ScheduleOfSecuritiesOwnedTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of Securities Owned [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="gpff_ScheduleOfSecuritiesOwnedTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of securities owned</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_ScheduleOfFinancialHighlightsPartnershipActivityTable" xlink:label="gpff_ScheduleOfFinancialHighlightsPartnershipActivityTable" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_ScheduleOfFinancialHighlightsPartnershipActivityTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure of financial highlights, reflecting activity related to the partnership.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_ScheduleOfFinancialHighlightsPartnershipActivityTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of Financial Highlights Partnership Activity [Table]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_ScheduleOfFinancialHighlightsPartnershipActivityLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Financial Highlights</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_ScheduleOfFinancialHighlightsPartnershipActivityTableTextBlock" xlink:to="gpff_ScheduleOfFinancialHighlightsPartnershipActivityTableTextBlock_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_ScheduleOfFinancialHighlightsPartnershipActivityTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of Financial Highlights Partnership Activity [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_ScheduleOfFinancialHighlightsPartnershipActivityTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of financial highlights and per unit performance reflecting activity related to the Partnership</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_ScheduleOfDerivativeAssetsAndLiabilitiesAtFairValueTableTextBlock" xlink:label="gpff_ScheduleOfDerivativeAssetsAndLiabilitiesAtFairValueTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_ScheduleOfDerivativeAssetsAndLiabilitiesAtFairValueTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tabular disclosure of net derivative assets and liabilities at fair value.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_ScheduleOfDerivativeAssetsAndLiabilitiesAtFairValueTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of Derivative Assets and Liabilities at Fair Value [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_ScheduleOfDerivativeAssetsAndLiabilitiesAtFairValueTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Summary of Fair Values of Derivative Instruments</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceByContractTableTextBlock" xlink:label="gpff_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceByContractTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceByContractTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Tabular disclosure of the amount of gains and losses reported in the statement of financial performance, by contract type.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceByContractTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of Derivative Instruments, Gain (Loss) in Statement of Financial Performance, by Contract [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceByContractTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of Effect of Derivative Instruments on the Consolidated Statement of Operations</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock" xlink:label="us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of Line Item in Consolidated Statement of Operations</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OffsettingAssetsTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Offsetting Assets [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OffsettingAssetsTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of Offsetting of Derivative Assets</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OffsettingLiabilitiesTableTextBlock" xlink:label="us-gaap_OffsettingLiabilitiesTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OffsettingLiabilitiesTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of Offsetting of Derivative Liabilities</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_ScheduleOfDerivativeAssetsLiabilitiesAndCollateralReceivedByCounterpartyTableTextBlock" xlink:label="gpff_ScheduleOfDerivativeAssetsLiabilitiesAndCollateralReceivedByCounterpartyTableTextBlock" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_ScheduleOfDerivativeAssetsLiabilitiesAndCollateralReceivedByCounterpartyTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of Derivative Assets, Liabilities and Collateral Received by Counterparty [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_ScheduleOfDerivativeAssetsLiabilitiesAndCollateralReceivedByCounterpartyTableTextBlock_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Schedule of Derivative Assets and Liabilities and Collateral Received by Counterparty</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_NatureOfBusinessAndSignificantAccountingPoliciesTable" xlink:label="gpff_NatureOfBusinessAndSignificantAccountingPoliciesTable" xmlns="http://www.xbrl.org/2003/linkbase" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_NatureOfBusinessAndSignificantAccountingPoliciesTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Nature Of Business And Significant Accounting Policies [Table]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Related and Nonrelated Parties [Axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyDomain" xlink:label="us-gaap_RelatedPartyDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="us-gaap_RelatedPartyDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RelatedPartyDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Related and Nonrelated Parties [Domain]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyMember" xlink:label="us-gaap_RelatedPartyMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RelatedPartyMember" xlink:to="us-gaap_RelatedPartyMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RelatedPartyMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Related Party [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RelatedPartyMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Related party</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_CounterpartyNameAxis" xlink:label="srt_CounterpartyNameAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_CounterpartyNameAxis" xlink:to="srt_CounterpartyNameAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_CounterpartyNameAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Counterparty Name [Axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RepurchaseAgreementCounterpartyNameDomain" xlink:label="srt_RepurchaseAgreementCounterpartyNameDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_RepurchaseAgreementCounterpartyNameDomain" xlink:to="srt_RepurchaseAgreementCounterpartyNameDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_RepurchaseAgreementCounterpartyNameDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Counterparty Name [Domain]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeAxis" xlink:label="srt_RangeAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_RangeAxis" xlink:to="srt_RangeAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_RangeAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Statistical Measurement [Axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember" xlink:label="srt_RangeMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_RangeMember" xlink:to="srt_RangeMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_RangeMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Statistical Measurement [Domain]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MaximumMember" xlink:label="srt_MaximumMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_MaximumMember" xlink:to="srt_MaximumMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_MaximumMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Maximum [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="srt_MaximumMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Maximum</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_NatureOfBusinessAndSignificantAccountingPoliciesLineItems" xlink:label="gpff_NatureOfBusinessAndSignificantAccountingPoliciesLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_NatureOfBusinessAndSignificantAccountingPoliciesLineItems" xlink:to="gpff_NatureOfBusinessAndSignificantAccountingPoliciesLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_NatureOfBusinessAndSignificantAccountingPoliciesLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_NatureOfBusinessAndSignificantAccountingPoliciesLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Nature Of Business And Significant Accounting Policies [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_NatureOfBusinessAndSignificantAccountingPoliciesLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Nature of Business and Significant Accounting Policies</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_AssetsAllocatedToLimitedLiabilityCompanies" xlink:label="gpff_AssetsAllocatedToLimitedLiabilityCompanies" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_AssetsAllocatedToLimitedLiabilityCompanies" xlink:to="gpff_AssetsAllocatedToLimitedLiabilityCompanies_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_AssetsAllocatedToLimitedLiabilityCompanies_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represent the amount of assets allocated to the limited liability companies as of the balance sheet date.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_AssetsAllocatedToLimitedLiabilityCompanies_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Assets Allocated to Limited Liability Companies</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_AssetsAllocatedToLimitedLiabilityCompanies_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Assets allocated to GP 1</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_ClassesOfInterestAbstract" xlink:label="gpff_ClassesOfInterestAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_ClassesOfInterestAbstract" xlink:to="gpff_ClassesOfInterestAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_ClassesOfInterestAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Classes of Interest [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_ClassesOfInterestAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Classes of interests</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_NumberOfClassesOfLimitedPartnerInterests" xlink:label="gpff_NumberOfClassesOfLimitedPartnerInterests" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_NumberOfClassesOfLimitedPartnerInterests" xlink:to="gpff_NumberOfClassesOfLimitedPartnerInterests_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_NumberOfClassesOfLimitedPartnerInterests_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the number of classes of limited partner interests of the entity.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_NumberOfClassesOfLimitedPartnerInterests_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of Classes of Limited Partner Interests</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_NumberOfClassesOfLimitedPartnerInterests_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of classes of limited partner interests</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_IncomeTaxesAbstract" xlink:label="gpff_IncomeTaxesAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_IncomeTaxesAbstract" xlink:to="gpff_IncomeTaxesAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_IncomeTaxesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Income Taxes [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_IncomeTaxesAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Income taxes</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="us-gaap_IncomeTaxExpenseBenefit" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxExpenseBenefit" xlink:to="us-gaap_IncomeTaxExpenseBenefit_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Income Tax Expense (Benefit)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Income taxes</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_OrganizationAndOfferingCostsAbstract" xlink:label="gpff_OrganizationAndOfferingCostsAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_OrganizationAndOfferingCostsAbstract" xlink:to="gpff_OrganizationAndOfferingCostsAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_OrganizationAndOfferingCostsAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">No definition available.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_OrganizationAndOfferingCostsAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Organization and Offering Costs [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_OrganizationAndOfferingCostsAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Organization and offering costs</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_AllowableReimbursementOfOrganizationAndOfferingCostsAsPercentOfNetPartnershipAssetValueMonthly" xlink:label="gpff_AllowableReimbursementOfOrganizationAndOfferingCostsAsPercentOfNetPartnershipAssetValueMonthly" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_AllowableReimbursementOfOrganizationAndOfferingCostsAsPercentOfNetPartnershipAssetValueMonthly" xlink:to="gpff_AllowableReimbursementOfOrganizationAndOfferingCostsAsPercentOfNetPartnershipAssetValueMonthly_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_AllowableReimbursementOfOrganizationAndOfferingCostsAsPercentOfNetPartnershipAssetValueMonthly_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The allowable monthly reimbursement of organization and offering costs as a percent of net Partnership asset value.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_AllowableReimbursementOfOrganizationAndOfferingCostsAsPercentOfNetPartnershipAssetValueMonthly_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Allowable Reimbursement of Organization and Offering Costs as a Percent of Net Partnership Asset Value, Monthly</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="gpff_AllowableReimbursementOfOrganizationAndOfferingCostsAsPercentOfNetPartnershipAssetValueMonthly_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Allowable monthly reimbursement of organization and offering costs as a percent of net Partnership asset value</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_AllowableReimbursementOfOrganizationAndOfferingCostsAsPercentOfNetPartnershipAssetValueAnnually" xlink:label="gpff_AllowableReimbursementOfOrganizationAndOfferingCostsAsPercentOfNetPartnershipAssetValueAnnually" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_AllowableReimbursementOfOrganizationAndOfferingCostsAsPercentOfNetPartnershipAssetValueAnnually" xlink:to="gpff_AllowableReimbursementOfOrganizationAndOfferingCostsAsPercentOfNetPartnershipAssetValueAnnually_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_AllowableReimbursementOfOrganizationAndOfferingCostsAsPercentOfNetPartnershipAssetValueAnnually_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The allowable annual reimbursement of organization and offering costs as a percent of net Partnership asset value.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_AllowableReimbursementOfOrganizationAndOfferingCostsAsPercentOfNetPartnershipAssetValueAnnually_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Allowable Reimbursement of Organization and Offering Costs as a Percent of Net Partnership Asset Value, Annually</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="gpff_AllowableReimbursementOfOrganizationAndOfferingCostsAsPercentOfNetPartnershipAssetValueAnnually_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Allowable annual reimbursement of organization and offering costs as a percent of net Partnership asset value</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherLiabilities" xlink:label="us-gaap_OtherLiabilities" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherLiabilities" xlink:to="us-gaap_OtherLiabilities_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Other Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OtherLiabilities_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Unreimbursed organization and offering costs</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtAbstract" xlink:label="us-gaap_LongTermDebtAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtAbstract" xlink:to="us-gaap_LongTermDebtAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongTermDebtAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Long-Term Debt, Unclassified [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LongTermDebtAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Debt</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="us-gaap_DebtInstrumentCarryingAmount" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentCarryingAmount" xlink:to="us-gaap_DebtInstrumentCarryingAmount_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentCarryingAmount_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Long-Term Debt, Gross</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtInstrumentCarryingAmount_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Debt carried by partners</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NumberOfOperatingSegments" xlink:label="us-gaap_NumberOfOperatingSegments" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NumberOfOperatingSegments" xlink:to="us-gaap_NumberOfOperatingSegments_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NumberOfOperatingSegments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of Operating Segments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_NumberOfOperatingSegments_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Number of operating segments</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:to="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair Value, Recurring and Nonrecurring [Table]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueByMeasurementFrequencyAxis" xlink:label="us-gaap_FairValueByMeasurementFrequencyAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueByMeasurementFrequencyAxis" xlink:to="us-gaap_FairValueByMeasurementFrequencyAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueByMeasurementFrequencyAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Measurement Frequency [Axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueMeasurementFrequencyDomain" xlink:label="us-gaap_FairValueMeasurementFrequencyDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueMeasurementFrequencyDomain" xlink:to="us-gaap_FairValueMeasurementFrequencyDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueMeasurementFrequencyDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Measurement Frequency [Domain]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueMeasurementsRecurringMember" xlink:label="us-gaap_FairValueMeasurementsRecurringMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueMeasurementsRecurringMember" xlink:to="us-gaap_FairValueMeasurementsRecurringMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueMeasurementsRecurringMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair Value, Recurring [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FairValueMeasurementsRecurringMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Recurring basis</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="us-gaap_FairValueByFairValueHierarchyLevelAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:to="us-gaap_FairValueByFairValueHierarchyLevelAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueByFairValueHierarchyLevelAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair Value Hierarchy and NAV [Axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:to="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair Value Hierarchy and NAV [Domain]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="us-gaap_FairValueInputsLevel1Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueInputsLevel1Member" xlink:to="us-gaap_FairValueInputsLevel1Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueInputsLevel1Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair Value, Inputs, Level 1 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FairValueInputsLevel1Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Level 1</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="us-gaap_FairValueInputsLevel2Member" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueInputsLevel2Member" xlink:to="us-gaap_FairValueInputsLevel2Member_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueInputsLevel2Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair Value, Inputs, Level 2 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FairValueInputsLevel2Member_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Level 2</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_USGovernmentSponsoredEnterprisesDebtSecuritiesMember" xlink:label="us-gaap_USGovernmentSponsoredEnterprisesDebtSecuritiesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_USGovernmentSponsoredEnterprisesDebtSecuritiesMember" xlink:to="us-gaap_USGovernmentSponsoredEnterprisesDebtSecuritiesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_USGovernmentSponsoredEnterprisesDebtSecuritiesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">US Government-sponsored Enterprises Debt Securities [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_USGovernmentSponsoredEnterprisesDebtSecuritiesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">U.S. Government-sponsored enterprises</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:to="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair Value Measurements</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_DerivativeOwnedAndPledgedAsCollateralFairValueOfOpenContractsNet" xlink:label="gpff_DerivativeOwnedAndPledgedAsCollateralFairValueOfOpenContractsNet" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_DerivativeOwnedAndPledgedAsCollateralFairValueOfOpenContractsNet" xlink:to="gpff_DerivativeOwnedAndPledgedAsCollateralFairValueOfOpenContractsNet_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_DerivativeOwnedAndPledgedAsCollateralFairValueOfOpenContractsNet_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair value of the assets less the liabilities of open derivative contracts pledged to counterparties as collateral.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_DerivativeOwnedAndPledgedAsCollateralFairValueOfOpenContractsNet_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Derivative Owned and Pledged as Collateral, Fair Value of Open Contracts, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_DerivativeOwnedAndPledgedAsCollateralFairValueOfOpenContractsNet_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">U.S. and foreign futures contracts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="gpff_DerivativeOwnedAndPledgedAsCollateralFairValueOfOpenContractsNet_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="gpff_DerivativeOwnedAndPledgedAsCollateralFairValueOfOpenContractsNet_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net unrealized gain (loss) on open futures contracts</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetsFairValueDisclosure" xlink:label="us-gaap_AssetsFairValueDisclosure" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsFairValueDisclosure" xlink:to="us-gaap_AssetsFairValueDisclosure_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetsFairValueDisclosure_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Assets, Fair Value Disclosure</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_AssetsFairValueDisclosure_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total - Assets</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_FairValueAssetsTransfersBetweenLevelsAmount" xlink:label="gpff_FairValueAssetsTransfersBetweenLevelsAmount" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_FairValueAssetsTransfersBetweenLevelsAmount" xlink:to="gpff_FairValueAssetsTransfersBetweenLevelsAmount_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_FairValueAssetsTransfersBetweenLevelsAmount_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount of transfers of assets between the levels of the fair value hierarchy.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_FairValueAssetsTransfersBetweenLevelsAmount_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair Value, Assets, Transfers Between Levels, Amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="gpff_FairValueAssetsTransfersBetweenLevelsAmount_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount of transfers among Levels 1, 2, and 3</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_CommodityTradingAdvisorsTable" xlink:label="gpff_CommodityTradingAdvisorsTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_CommodityTradingAdvisorsTable" xlink:to="gpff_CommodityTradingAdvisorsTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_CommodityTradingAdvisorsTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Information about commodity trading advisors of the entity.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_CommodityTradingAdvisorsTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Commodity Trading Advisors [Table]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MinimumMember" xlink:label="srt_MinimumMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_MinimumMember" xlink:to="srt_MinimumMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_MinimumMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Minimum [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="srt_MinimumMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Minimum</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_CommodityTradingAdvisorsLineItems" xlink:label="gpff_CommodityTradingAdvisorsLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_CommodityTradingAdvisorsLineItems" xlink:to="gpff_CommodityTradingAdvisorsLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_CommodityTradingAdvisorsLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_CommodityTradingAdvisorsLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Commodity Trading Advisors [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_CommodityTradingAdvisorsLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Commodity Trading Advisors and Reference Traders</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_AnnualPercentageOfAllocatedNetAssetsManagementFeeToCommodityTradingAdvisors" xlink:label="gpff_AnnualPercentageOfAllocatedNetAssetsManagementFeeToCommodityTradingAdvisors" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_AnnualPercentageOfAllocatedNetAssetsManagementFeeToCommodityTradingAdvisors" xlink:to="gpff_AnnualPercentageOfAllocatedNetAssetsManagementFeeToCommodityTradingAdvisors_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_AnnualPercentageOfAllocatedNetAssetsManagementFeeToCommodityTradingAdvisors_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the annual percentage of allocated net assets that is paid as a management fee to the commodity trading advisors and reference traders.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_AnnualPercentageOfAllocatedNetAssetsManagementFeeToCommodityTradingAdvisors_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Annual Percentage of Allocated Net Assets Management Fee to Commodity Trading Advisors</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_AnnualPercentageOfAllocatedNetAssetsManagementFeeToCommodityTradingAdvisors_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Annual percentage of allocated net assets paid as a management fee to commodity trading advisors and reference traders</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_PercentageOfNewTradingProfitsOnAllocatedNetAssetsIncentiveFeeToCommodityTradingAdvisors" xlink:label="gpff_PercentageOfNewTradingProfitsOnAllocatedNetAssetsIncentiveFeeToCommodityTradingAdvisors" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_PercentageOfNewTradingProfitsOnAllocatedNetAssetsIncentiveFeeToCommodityTradingAdvisors" xlink:to="gpff_PercentageOfNewTradingProfitsOnAllocatedNetAssetsIncentiveFeeToCommodityTradingAdvisors_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_PercentageOfNewTradingProfitsOnAllocatedNetAssetsIncentiveFeeToCommodityTradingAdvisors_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the percentage of new trading profits on allocated net assets that is paid as an incentive fee to the commodity trading advisors and reference traders.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_PercentageOfNewTradingProfitsOnAllocatedNetAssetsIncentiveFeeToCommodityTradingAdvisors_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of New Trading Profits on Allocated Net Assets Incentive Fee to Commodity Trading Advisors</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_PercentageOfNewTradingProfitsOnAllocatedNetAssetsIncentiveFeeToCommodityTradingAdvisors_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of new trading profits on allocated net assets paid as a incentive fee to commodity trading advisors and reference traders</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_PercentageOfAverageMonthEndNetAssetsPaidAsMonthlyManagementFeeToCashManager" xlink:label="gpff_PercentageOfAverageMonthEndNetAssetsPaidAsMonthlyManagementFeeToCashManager" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_PercentageOfAverageMonthEndNetAssetsPaidAsMonthlyManagementFeeToCashManager" xlink:to="gpff_PercentageOfAverageMonthEndNetAssetsPaidAsMonthlyManagementFeeToCashManager_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_PercentageOfAverageMonthEndNetAssetsPaidAsMonthlyManagementFeeToCashManager_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the percentage of average month-end net assets that is paid as a monthly fee to the Cash Manager for management and control of the liquid assets of the Partnership.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_PercentageOfAverageMonthEndNetAssetsPaidAsMonthlyManagementFeeToCashManager_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of Average Month-end Net Assets Paid as Monthly Management Fee to Cash Manager</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="gpff_PercentageOfAverageMonthEndNetAssetsPaidAsMonthlyManagementFeeToCashManager_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of average month-end net assets paid as a monthly fee to the Cash Manager for management and control of the liquid assets of the Partnership</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:label="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:to="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Related Party Transaction [Table]</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_EmcMember" xlink:label="gpff_EmcMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_EmcMember" xlink:to="gpff_EmcMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_EmcMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">This represents EMC, an entity owned and controlled by officers of the General Partner.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_EmcMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">EMC</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyTransactionLineItems" xlink:label="us-gaap_RelatedPartyTransactionLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="us-gaap_RelatedPartyTransactionLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RelatedPartyTransactionLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Related Party Transaction [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RelatedPartyTransactionLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">General Partner and Related Party Transactions</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_MinimumOwnershipPercentageOfTotalCapitalContributionsOfAllPartnersToPartnershipOptionOne" xlink:label="gpff_MinimumOwnershipPercentageOfTotalCapitalContributionsOfAllPartnersToPartnershipOptionOne" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_MinimumOwnershipPercentageOfTotalCapitalContributionsOfAllPartnersToPartnershipOptionOne" xlink:to="gpff_MinimumOwnershipPercentageOfTotalCapitalContributionsOfAllPartnersToPartnershipOptionOne_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_MinimumOwnershipPercentageOfTotalCapitalContributionsOfAllPartnersToPartnershipOptionOne_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the minimum ownership of units in the partnership as a percentage of all capital contributions of all partners to the partnership.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_MinimumOwnershipPercentageOfTotalCapitalContributionsOfAllPartnersToPartnershipOptionOne_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Minimum Ownership Percentage of Total Capital Contributions of All Partners to Partnership Option One</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_MinimumOwnershipPercentageOfTotalCapitalContributionsOfAllPartnersToPartnershipOptionOne_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Minimum ownership of units as a percentage of all capital contributions of all Partners to the Partnership, option one</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_MinimumOwnershipAmountOptionTwo" xlink:label="gpff_MinimumOwnershipAmountOptionTwo" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_MinimumOwnershipAmountOptionTwo" xlink:to="gpff_MinimumOwnershipAmountOptionTwo_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_MinimumOwnershipAmountOptionTwo_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the value of minimum ownership of units required in the partnership.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_MinimumOwnershipAmountOptionTwo_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Minimum Ownership Amount Option Two</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_MinimumOwnershipAmountOptionTwo_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Value of minimum ownership of units, option two</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_MinimumNetWorthPercentageOfTotalCapitalContributionsOfAllPartnersAndRelatedLimitedPartnershipsOptionOne" xlink:label="gpff_MinimumNetWorthPercentageOfTotalCapitalContributionsOfAllPartnersAndRelatedLimitedPartnershipsOptionOne" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_MinimumNetWorthPercentageOfTotalCapitalContributionsOfAllPartnersAndRelatedLimitedPartnershipsOptionOne" xlink:to="gpff_MinimumNetWorthPercentageOfTotalCapitalContributionsOfAllPartnersAndRelatedLimitedPartnershipsOptionOne_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_MinimumNetWorthPercentageOfTotalCapitalContributionsOfAllPartnersAndRelatedLimitedPartnershipsOptionOne_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the percentage of the total capital contributions of all partners and all limited partnerships to which it is a general partner (including the Partnership), on the basis of which minimum net worth is to be determined.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_MinimumNetWorthPercentageOfTotalCapitalContributionsOfAllPartnersAndRelatedLimitedPartnershipsOptionOne_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Minimum Net Worth Percentage of Total Capital Contributions of All Partners and Related Limited Partnerships Option One</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_MinimumNetWorthPercentageOfTotalCapitalContributionsOfAllPartnersAndRelatedLimitedPartnershipsOptionOne_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of total capital contributions of all partners and all related limited partnerships used in computation of minimum net worth, option one</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_MinimumNetWorthPercentageOfUnitsBeingOfferedForSaleInPartnershipOptionOne" xlink:label="gpff_MinimumNetWorthPercentageOfUnitsBeingOfferedForSaleInPartnershipOptionOne" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_MinimumNetWorthPercentageOfUnitsBeingOfferedForSaleInPartnershipOptionOne" xlink:to="gpff_MinimumNetWorthPercentageOfUnitsBeingOfferedForSaleInPartnershipOptionOne_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_MinimumNetWorthPercentageOfUnitsBeingOfferedForSaleInPartnershipOptionOne_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the percentage of the units being offered for sale in the partnership, which is used to maintain the minimum net worth.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_MinimumNetWorthPercentageOfUnitsBeingOfferedForSaleInPartnershipOptionOne_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Minimum Net Worth Percentage of Units Being Offered for Sale in Partnership Option One</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_MinimumNetWorthPercentageOfUnitsBeingOfferedForSaleInPartnershipOptionOne_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of Units being offered for sale in the Partnership used in computation of minimum net worth, option one</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_AmountOfMinimumNetWorthOptionTwo" xlink:label="gpff_AmountOfMinimumNetWorthOptionTwo" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_AmountOfMinimumNetWorthOptionTwo" xlink:to="gpff_AmountOfMinimumNetWorthOptionTwo_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_AmountOfMinimumNetWorthOptionTwo_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the minimum amount of net worth that is to be maintained during such time as the units are registered for sale to the public and so long as it remains a general partner of the partnership.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_AmountOfMinimumNetWorthOptionTwo_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount of Minimum Net Worth Option Two</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_AmountOfMinimumNetWorthOptionTwo_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount of minimum net worth required to be maintained, option two</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_MaximumNetWorthToBeMaintained" xlink:label="gpff_MaximumNetWorthToBeMaintained" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_MaximumNetWorthToBeMaintained" xlink:to="gpff_MaximumNetWorthToBeMaintained_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_MaximumNetWorthToBeMaintained_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the maximum amount of net worth which is required to be maintained by the partner.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_MaximumNetWorthToBeMaintained_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Maximum Net Worth to be Maintained</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_MaximumNetWorthToBeMaintained_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Amount of maximum net worth required to be maintained</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_RelatedPartyTransactionPercentageOfGeneralPartnerLimitedPartnershipInterestTreatedAsGeneralPartnershipInterest" xlink:label="gpff_RelatedPartyTransactionPercentageOfGeneralPartnerLimitedPartnershipInterestTreatedAsGeneralPartnershipInterest" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_RelatedPartyTransactionPercentageOfGeneralPartnerLimitedPartnershipInterestTreatedAsGeneralPartnershipInterest" xlink:to="gpff_RelatedPartyTransactionPercentageOfGeneralPartnerLimitedPartnershipInterestTreatedAsGeneralPartnershipInterest_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_RelatedPartyTransactionPercentageOfGeneralPartnerLimitedPartnershipInterestTreatedAsGeneralPartnershipInterest_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the percentage of general partner limited partnership interest in the entity which shall be regarded as a general partnership interest.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_RelatedPartyTransactionPercentageOfGeneralPartnerLimitedPartnershipInterestTreatedAsGeneralPartnershipInterest_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Related Party Transaction, Percentage of General Partner Limited Partnership Interest Treated as General Partnership Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_RelatedPartyTransactionPercentageOfGeneralPartnerLimitedPartnershipInterestTreatedAsGeneralPartnershipInterest_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of General Partners limited partnership interest in the entity treated as a general partnership interest</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProfessionalFees" xlink:label="us-gaap_ProfessionalFees" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProfessionalFees" xlink:to="us-gaap_ProfessionalFees_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProfessionalFees_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Professional Fees</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ProfessionalFees_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Consulting fees</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_PercentageOfAverageMonthEndNetAssetsAsBasisForDeterminingOperatingExpenseReimbursements" xlink:label="gpff_PercentageOfAverageMonthEndNetAssetsAsBasisForDeterminingOperatingExpenseReimbursements" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_PercentageOfAverageMonthEndNetAssetsAsBasisForDeterminingOperatingExpenseReimbursements" xlink:to="gpff_PercentageOfAverageMonthEndNetAssetsAsBasisForDeterminingOperatingExpenseReimbursements_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_PercentageOfAverageMonthEndNetAssetsAsBasisForDeterminingOperatingExpenseReimbursements_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the percentage of partnership's average month-end net assets during the year considered as a basis for determining operating expense reimbursements.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_PercentageOfAverageMonthEndNetAssetsAsBasisForDeterminingOperatingExpenseReimbursements_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of Average Month End Net Assets as Basis for Determining Operating Expense Reimbursements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_PercentageOfAverageMonthEndNetAssetsAsBasisForDeterminingOperatingExpenseReimbursements_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Percentage of average month-end net assets as basis for determining operating expense reimbursements</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_CapitalContributionsFromGeneralPartnerToOffsetChangesInValuation" xlink:label="gpff_CapitalContributionsFromGeneralPartnerToOffsetChangesInValuation" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_CapitalContributionsFromGeneralPartnerToOffsetChangesInValuation" xlink:to="gpff_CapitalContributionsFromGeneralPartnerToOffsetChangesInValuation_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_CapitalContributionsFromGeneralPartnerToOffsetChangesInValuation_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">The cash inflow from recoverable capital contributions made by the General Partner under an agreement to offset reductions due to change in valuation on certain investments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_CapitalContributionsFromGeneralPartnerToOffsetChangesInValuation_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Capital contributions from General Partner To Offset Changes in Valuation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_CapitalContributionsFromGeneralPartnerToOffsetChangesInValuation_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Recoverable capital contributions from General Partner</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_BrokerageCommissionTransactionFeesToGeneralPartnerPercentage" xlink:label="gpff_BrokerageCommissionTransactionFeesToGeneralPartnerPercentage" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_BrokerageCommissionTransactionFeesToGeneralPartnerPercentage" xlink:to="gpff_BrokerageCommissionTransactionFeesToGeneralPartnerPercentage_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_BrokerageCommissionTransactionFeesToGeneralPartnerPercentage_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents expenses paid to the General Partner for selling agent compensation, consulting fees to the trading advisors and general partner fee expressed as a percentage of adjusted net assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_BrokerageCommissionTransactionFeesToGeneralPartnerPercentage_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Brokerage Commission Transaction Fees to General Partner Percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_BrokerageCommissionTransactionFeesToGeneralPartnerPercentage_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Brokerage charge (as a percent)</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_OrganizationAndOfferingReimbursementFeesToGeneralPartnerPercentage" xlink:label="gpff_OrganizationAndOfferingReimbursementFeesToGeneralPartnerPercentage" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_OrganizationAndOfferingReimbursementFeesToGeneralPartnerPercentage" xlink:to="gpff_OrganizationAndOfferingReimbursementFeesToGeneralPartnerPercentage_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_OrganizationAndOfferingReimbursementFeesToGeneralPartnerPercentage_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the organization and offering reimbursement expressed as a percentage of adjusted net assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_OrganizationAndOfferingReimbursementFeesToGeneralPartnerPercentage_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Organization and Offering Reimbursement Fees to General Partner Percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_OrganizationAndOfferingReimbursementFeesToGeneralPartnerPercentage_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Organization and Offering Reimbursement (as a percent)</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_OperatingExpenseReimbursementFeesToGeneralPartnerPercentage" xlink:label="gpff_OperatingExpenseReimbursementFeesToGeneralPartnerPercentage" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_OperatingExpenseReimbursementFeesToGeneralPartnerPercentage" xlink:to="gpff_OperatingExpenseReimbursementFeesToGeneralPartnerPercentage_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_OperatingExpenseReimbursementFeesToGeneralPartnerPercentage_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the reimbursement of operating expenses made by the entity which is initially paid by the related party and later on reimbursed by the entity expressed as a percentage of adjusted net assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_OperatingExpenseReimbursementFeesToGeneralPartnerPercentage_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Operating Expense Reimbursement Fees to General Partner Percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_OperatingExpenseReimbursementFeesToGeneralPartnerPercentage_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Operating Expense (as a percent)</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_PartnersCapitalRedemptionTable" xlink:label="gpff_PartnersCapitalRedemptionTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_PartnersCapitalRedemptionTable" xlink:to="gpff_PartnersCapitalRedemptionTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_PartnersCapitalRedemptionTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Disclosure pertaining to partner's capital redemptions.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_PartnersCapitalRedemptionTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Partners Capital Redemption [Table]</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_PartnersCapitalRedemptionLineItems" xlink:label="gpff_PartnersCapitalRedemptionLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_PartnersCapitalRedemptionLineItems" xlink:to="gpff_PartnersCapitalRedemptionLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_PartnersCapitalRedemptionLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Partners Capital Redemption [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_PartnersCapitalRedemptionLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Redemptions</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_PriorWrittenNoticePeriodByLimitedPartnerToRedeemUnits" xlink:label="gpff_PriorWrittenNoticePeriodByLimitedPartnerToRedeemUnits" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_PriorWrittenNoticePeriodByLimitedPartnerToRedeemUnits" xlink:to="gpff_PriorWrittenNoticePeriodByLimitedPartnerToRedeemUnits_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_PriorWrittenNoticePeriodByLimitedPartnerToRedeemUnits_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the Limited Partner prior written notice period for the redemption of Limited Partner units.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_PriorWrittenNoticePeriodByLimitedPartnerToRedeemUnits_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Prior Written Notice Period by Limited Partner to Redeem Units</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_PriorWrittenNoticePeriodByLimitedPartnerToRedeemUnits_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Notice period by Limited Partner for redemption of Limited Partner units</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_PriorWrittenNoticePeriodByGeneralPartnerToRedeemUnits" xlink:label="gpff_PriorWrittenNoticePeriodByGeneralPartnerToRedeemUnits" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_PriorWrittenNoticePeriodByGeneralPartnerToRedeemUnits" xlink:to="gpff_PriorWrittenNoticePeriodByGeneralPartnerToRedeemUnits_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_PriorWrittenNoticePeriodByGeneralPartnerToRedeemUnits_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the General Partner prior written notice period for the redemption of Limited Partner units.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_PriorWrittenNoticePeriodByGeneralPartnerToRedeemUnits_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Prior Written Notice Period by General Partner to Redeem Units</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_PriorWrittenNoticePeriodByGeneralPartnerToRedeemUnits_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Notice period by General Partner for redemption of Limited Partner units</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_FederalFarmCreditBankOtherMember" xlink:label="gpff_FederalFarmCreditBankOtherMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_FederalFarmCreditBankOtherMember" xlink:to="gpff_FederalFarmCreditBankOtherMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_FederalFarmCreditBankOtherMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Investment held in securities issued by or through federal farm credit banks with various maturity dates.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_FederalFarmCreditBankOtherMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Federal Farm Credit Bank, Other [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_FederalFarmCreditBankOtherMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Federal Farm Credit Banks, Other</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_FederalHomeLoanBankCertificatesAndObligationsFhlbOtherMember" xlink:label="gpff_FederalHomeLoanBankCertificatesAndObligationsFhlbOtherMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_FederalHomeLoanBankCertificatesAndObligationsFhlbOtherMember" xlink:to="gpff_FederalHomeLoanBankCertificatesAndObligationsFhlbOtherMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_FederalHomeLoanBankCertificatesAndObligationsFhlbOtherMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Investments in securities issued by or through the member banks of the federal home loan bank (FHLB) with various maturity dates.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_FederalHomeLoanBankCertificatesAndObligationsFhlbOtherMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Federal Home Loan Bank Certificates and Obligations (FHLB), Other [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_FederalHomeLoanBankCertificatesAndObligationsFhlbOtherMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Federal Home Loan Bank, Other</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_NetAssetValuePerUnitRollForward" xlink:label="gpff_NetAssetValuePerUnitRollForward" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_NetAssetValuePerUnitRollForward" xlink:to="gpff_NetAssetValuePerUnitRollForward_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_NetAssetValuePerUnitRollForward_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net Asset Value Per Unit [Roll Forward]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_NetAssetValuePerUnitRollForward_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Per Unit Performance (for unit outstanding throughout the entire period):</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLossPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasicAbstract" xlink:label="us-gaap_NetIncomeLossPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasicAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLossPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasicAbstract" xlink:to="us-gaap_NetIncomeLossPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasicAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetIncomeLossPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasicAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net Income (Loss), Per Outstanding Limited Partnership and General Partnership Unit, Basic, Net of Tax [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_NetIncomeLossPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasicAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Income (loss) from operations</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_NetRealizedAndChangesInUnrealizedIncomeLossFromTradingPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasic" xlink:label="gpff_NetRealizedAndChangesInUnrealizedIncomeLossFromTradingPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasic" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_NetRealizedAndChangesInUnrealizedIncomeLossFromTradingPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasic" xlink:to="gpff_NetRealizedAndChangesInUnrealizedIncomeLossFromTradingPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasic_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_NetRealizedAndChangesInUnrealizedIncomeLossFromTradingPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasic_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents net realized and change in unrealized gain (loss) from trading operations, allocated to each outstanding limited partnership and general partnership unit. The net realized and change in unrealized gain from trading is a balancing amount necessary to reconcile the change in net asset value per unit with the other per unit information.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_NetRealizedAndChangesInUnrealizedIncomeLossFromTradingPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasic_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net Realized and Changes in Unrealized Income (Loss) from Trading Per Outstanding Limited Partnership and General Partnership Unit Basic</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_NetRealizedAndChangesInUnrealizedIncomeLossFromTradingPerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasic_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net realized and change in unrealized gain (loss) from trading (in dollars per unit)</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_PartnerCapitalAccountPerUnitChangeRelatedToContributionsByGeneralPartnerNet" xlink:label="gpff_PartnerCapitalAccountPerUnitChangeRelatedToContributionsByGeneralPartnerNet" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_PartnerCapitalAccountPerUnitChangeRelatedToContributionsByGeneralPartnerNet" xlink:to="gpff_PartnerCapitalAccountPerUnitChangeRelatedToContributionsByGeneralPartnerNet_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_PartnerCapitalAccountPerUnitChangeRelatedToContributionsByGeneralPartnerNet_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net change per unit for each class of partners (i.e., general, limited and preferred partners) related to contributions made by General Partner.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_PartnerCapitalAccountPerUnitChangeRelatedToContributionsByGeneralPartnerNet_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Partner Capital Account, Per Unit Change Related To Contributions By General Partner, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_PartnerCapitalAccountPerUnitChangeRelatedToContributionsByGeneralPartnerNet_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net increase from payments by General Partner</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_ExpensesNetOfInterestAndDividendIncomePerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasic" xlink:label="gpff_ExpensesNetOfInterestAndDividendIncomePerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasic" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_ExpensesNetOfInterestAndDividendIncomePerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasic" xlink:to="gpff_ExpensesNetOfInterestAndDividendIncomePerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasic_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_ExpensesNetOfInterestAndDividendIncomePerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasic_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents expenses net of interest and dividend income, allocated to each outstanding limited partnership and general partnership unit. Expenses net of interest and dividend income per unit and organization and offering costs per unit are calculated by dividing the expenses net of interest and dividend income and organization and offering costs by the average number of units outstanding during the period.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_ExpensesNetOfInterestAndDividendIncomePerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasic_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Expenses Net of Interest and Dividend Income Per Outstanding Limited Partnership and General Partnership Unit Basic</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="gpff_ExpensesNetOfInterestAndDividendIncomePerOutstandingLimitedPartnershipAndGeneralPartnershipUnitBasic_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net investment loss (in dollars per unit)</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_TotalReturnOnInvestment" xlink:label="gpff_TotalReturnOnInvestment" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_TotalReturnOnInvestment" xlink:to="gpff_TotalReturnOnInvestment_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_TotalReturnOnInvestment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents total return earned on theoretical investment by various classes of units during the period which is not annualized.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_TotalReturnOnInvestment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total Return on Investment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_TotalReturnOnInvestment_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total Return (as a percent)</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_TotalReturnOnInvestmentBeforeGeneralPartnerContribution" xlink:label="gpff_TotalReturnOnInvestmentBeforeGeneralPartnerContribution" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_TotalReturnOnInvestmentBeforeGeneralPartnerContribution" xlink:to="gpff_TotalReturnOnInvestmentBeforeGeneralPartnerContribution_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_TotalReturnOnInvestmentBeforeGeneralPartnerContribution_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents total return, before General Partner contribution, earned on theoretical investment by various classes of units during the period which is not annualized.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_TotalReturnOnInvestmentBeforeGeneralPartnerContribution_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total Return on Investment Before General Partner Contribution</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_TotalReturnOnInvestmentBeforeGeneralPartnerContribution_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total return before General Partner contribution (as a percent)</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_RatiosAsPercentageOfAverageNetAssetsAbstract" xlink:label="gpff_RatiosAsPercentageOfAverageNetAssetsAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_RatiosAsPercentageOfAverageNetAssetsAbstract" xlink:to="gpff_RatiosAsPercentageOfAverageNetAssetsAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_RatiosAsPercentageOfAverageNetAssetsAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ratios as Percentage of Average Net Assets [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_RatiosAsPercentageOfAverageNetAssetsAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Ratios as a percentage of average net assets:</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_AnnualizedExpensesPriorToIncentiveFeesPercentOfNetAssets" xlink:label="gpff_AnnualizedExpensesPriorToIncentiveFeesPercentOfNetAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_AnnualizedExpensesPriorToIncentiveFeesPercentOfNetAssets" xlink:to="gpff_AnnualizedExpensesPriorToIncentiveFeesPercentOfNetAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_AnnualizedExpensesPriorToIncentiveFeesPercentOfNetAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents annualized ratio of expenses prior to incentive fees to average net assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_AnnualizedExpensesPriorToIncentiveFeesPercentOfNetAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Annualized Expenses Prior to Incentive Fees Percent of Net Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_AnnualizedExpensesPriorToIncentiveFeesPercentOfNetAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Expenses prior to incentive fees (as a percent)</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_IncentiveFeesPercentOfNetAssets" xlink:label="gpff_IncentiveFeesPercentOfNetAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_IncentiveFeesPercentOfNetAssets" xlink:to="gpff_IncentiveFeesPercentOfNetAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_IncentiveFeesPercentOfNetAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents ratio of incentive fees to average net assets which is not annualized.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_IncentiveFeesPercentOfNetAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Incentive Fees Percent of Net Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_IncentiveFeesPercentOfNetAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Incentive fees (as a percent)</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_TotalExpensesPercentOfNetAssets" xlink:label="gpff_TotalExpensesPercentOfNetAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_TotalExpensesPercentOfNetAssets" xlink:to="gpff_TotalExpensesPercentOfNetAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_TotalExpensesPercentOfNetAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents ratio of total expenses to average net assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_TotalExpensesPercentOfNetAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total Expenses Percent of Net Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="gpff_TotalExpensesPercentOfNetAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total expenses (as a percent)</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_InvestmentGainLossNetAnnualizedPercentOfNetAssets" xlink:label="gpff_InvestmentGainLossNetAnnualizedPercentOfNetAssets" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_InvestmentGainLossNetAnnualizedPercentOfNetAssets" xlink:to="gpff_InvestmentGainLossNetAnnualizedPercentOfNetAssets_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_InvestmentGainLossNetAnnualizedPercentOfNetAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents annualized ratio of net income or loss on investments to average net assets, excluding incentive fees.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_InvestmentGainLossNetAnnualizedPercentOfNetAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Investment Gain (Loss) Net Annualized Percent of Net Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_InvestmentGainLossNetAnnualizedPercentOfNetAssets_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Net investment loss (as a percent)</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_DepositsWithBrokerDealersTable" xlink:label="gpff_DepositsWithBrokerDealersTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_DepositsWithBrokerDealersTable" xlink:to="gpff_DepositsWithBrokerDealersTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_DepositsWithBrokerDealersTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Information about margin and good faith deposits with broker-dealers.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_DepositsWithBrokerDealersTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Deposits with Broker Dealers [Table]</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_FuturesCommissionMerchantsInterbankMarketMakersAndSwapCounterpartiesMember" xlink:label="gpff_FuturesCommissionMerchantsInterbankMarketMakersAndSwapCounterpartiesMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_FuturesCommissionMerchantsInterbankMarketMakersAndSwapCounterpartiesMember" xlink:to="gpff_FuturesCommissionMerchantsInterbankMarketMakersAndSwapCounterpartiesMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_FuturesCommissionMerchantsInterbankMarketMakersAndSwapCounterpartiesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Relates to information pertaining to Futures Commission Merchants (FCMs), interbank market makers and swap counterparties.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_FuturesCommissionMerchantsInterbankMarketMakersAndSwapCounterpartiesMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">FCMs, interbank market makers and swap counterparties</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_FuturesCommissionMerchantsAndInterbankMarketMakersMember" xlink:label="gpff_FuturesCommissionMerchantsAndInterbankMarketMakersMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_FuturesCommissionMerchantsAndInterbankMarketMakersMember" xlink:to="gpff_FuturesCommissionMerchantsAndInterbankMarketMakersMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_FuturesCommissionMerchantsAndInterbankMarketMakersMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Relates to information pertaining to Futures Commission Merchants (FCMs) and interbank market makers.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_FuturesCommissionMerchantsAndInterbankMarketMakersMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">FCMs and interbank market makers</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_FuturesCommissionMerchantMember" xlink:label="gpff_FuturesCommissionMerchantMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_FuturesCommissionMerchantMember" xlink:to="gpff_FuturesCommissionMerchantMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_FuturesCommissionMerchantMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">A merchant involved in the solicitation or acceptance of commodity orders for future delivery of commodities related to the futures contract market.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_FuturesCommissionMerchantMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">FCMs</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_DepositsWithBrokerDealersLineItems" xlink:label="gpff_DepositsWithBrokerDealersLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_DepositsWithBrokerDealersLineItems" xlink:to="gpff_DepositsWithBrokerDealersLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_DepositsWithBrokerDealersLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Deposits with Broker Dealers [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_DepositsWithBrokerDealersLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trading Activities and Related Risks</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_MarginAndGoodFaithDepositsWithBrokerDealersPercentageOfNetAssetValueLowEndOfRange" xlink:label="gpff_MarginAndGoodFaithDepositsWithBrokerDealersPercentageOfNetAssetValueLowEndOfRange" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_MarginAndGoodFaithDepositsWithBrokerDealersPercentageOfNetAssetValueLowEndOfRange" xlink:to="gpff_MarginAndGoodFaithDepositsWithBrokerDealersPercentageOfNetAssetValueLowEndOfRange_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_MarginAndGoodFaithDepositsWithBrokerDealersPercentageOfNetAssetValueLowEndOfRange_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the low end of the range of percentage of net asset value that is required to maintain as margin and good faith deposits with broker-dealers.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_MarginAndGoodFaithDepositsWithBrokerDealersPercentageOfNetAssetValueLowEndOfRange_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Margin and Good Faith Deposits with Broker Dealers Percentage of Net Asset Value, Low End of Range</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_MarginAndGoodFaithDepositsWithBrokerDealersPercentageOfNetAssetValueLowEndOfRange_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Required margin and good faith deposits, low end of the range (as a percent)</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_MarginAndGoodFaithDepositsWithBrokerDealersPercentageOfNetAssetValueHighEndOfRange" xlink:label="gpff_MarginAndGoodFaithDepositsWithBrokerDealersPercentageOfNetAssetValueHighEndOfRange" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_MarginAndGoodFaithDepositsWithBrokerDealersPercentageOfNetAssetValueHighEndOfRange" xlink:to="gpff_MarginAndGoodFaithDepositsWithBrokerDealersPercentageOfNetAssetValueHighEndOfRange_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_MarginAndGoodFaithDepositsWithBrokerDealersPercentageOfNetAssetValueHighEndOfRange_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the high end of the range of percentage of net asset value that is required to maintain as margin and good faith deposits with broker-dealers.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_MarginAndGoodFaithDepositsWithBrokerDealersPercentageOfNetAssetValueHighEndOfRange_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Margin and Good Faith Deposits with Broker Dealers Percentage of Net Asset Value, High End of Range</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_MarginAndGoodFaithDepositsWithBrokerDealersPercentageOfNetAssetValueHighEndOfRange_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Required margin and good faith deposits, high end of the range (as a percent)</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_CashDepositedWithTradingCounterpartiesPercentOfAssetValue" xlink:label="gpff_CashDepositedWithTradingCounterpartiesPercentOfAssetValue" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_CashDepositedWithTradingCounterpartiesPercentOfAssetValue" xlink:to="gpff_CashDepositedWithTradingCounterpartiesPercentOfAssetValue_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_CashDepositedWithTradingCounterpartiesPercentOfAssetValue_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash deposited with trading counterparties as a percent of net asset value.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_CashDepositedWithTradingCounterpartiesPercentOfAssetValue_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash Deposited with Trading Counterparties, Percent of Asset Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="gpff_CashDepositedWithTradingCounterpartiesPercentOfAssetValue_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Cash deposited with trading counterparties, percent of net asset value</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DerivativeTable" xlink:label="us-gaap_DerivativeTable" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeTable" xlink:to="us-gaap_DerivativeTable_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DerivativeTable_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Derivative [Table]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="us-gaap_DerivativeInstrumentRiskAxis" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeInstrumentRiskAxis" xlink:to="us-gaap_DerivativeInstrumentRiskAxis_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DerivativeInstrumentRiskAxis_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Derivative Instrument [Axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="us-gaap_DerivativeContractTypeDomain" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeContractTypeDomain" xlink:to="us-gaap_DerivativeContractTypeDomain_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DerivativeContractTypeDomain_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Derivative Contract [Domain]</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_FuturesAndForwardContractsMember" xlink:label="gpff_FuturesAndForwardContractsMember" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_FuturesAndForwardContractsMember" xlink:to="gpff_FuturesAndForwardContractsMember_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_FuturesAndForwardContractsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Investments held in derivative instruments, such as futures and forwards on futures and forward contract which is interchangeable and which investors buy or sell, usually through futures and forward on futures and forward contracts.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_FuturesAndForwardContractsMember_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Total Futures and Forward contracts</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DerivativeLineItems" xlink:label="us-gaap_DerivativeLineItems" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeLineItems" xlink:to="us-gaap_DerivativeLineItems_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DerivativeLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Derivative [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DerivativeLineItems_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Derivative Instruments</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DerivativeFairValueOfDerivativeNetAbstract" xlink:label="us-gaap_DerivativeFairValueOfDerivativeNetAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeFairValueOfDerivativeNetAbstract" xlink:to="us-gaap_DerivativeFairValueOfDerivativeNetAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DerivativeFairValueOfDerivativeNetAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Derivative, Fair Value, Net [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DerivativeFairValueOfDerivativeNetAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Fair Values of Derivative Instruments</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DerivativeFairValueOfDerivativeAsset" xlink:label="us-gaap_DerivativeFairValueOfDerivativeAsset" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeFairValueOfDerivativeAsset" xlink:to="us-gaap_DerivativeFairValueOfDerivativeAsset_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DerivativeFairValueOfDerivativeAsset_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Derivative Asset, Subject to Master Netting Arrangement, before Offset</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DerivativeFairValueOfDerivativeAsset_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Gross Amount of Recognized Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DerivativeFairValueOfDerivativeAsset_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Asset Derivatives</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DerivativeAssetFairValueGrossLiability" xlink:label="us-gaap_DerivativeAssetFairValueGrossLiability" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeAssetFairValueGrossLiability" xlink:to="us-gaap_DerivativeAssetFairValueGrossLiability_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DerivativeAssetFairValueGrossLiability_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Derivative Asset, Subject to Master Netting Arrangement, Liability Offset</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_DerivativeAssetFairValueGrossLiability_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Gross Amounts Offset in the Consolidated Statement of Financial Condition</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="us-gaap_DerivativeAssetFairValueGrossLiability_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Liability Derivatives</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_DerivativeAverageNumberOfInstrumentsTraded" xlink:label="gpff_DerivativeAverageNumberOfInstrumentsTraded" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_DerivativeAverageNumberOfInstrumentsTraded" xlink:to="gpff_DerivativeAverageNumberOfInstrumentsTraded_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_DerivativeAverageNumberOfInstrumentsTraded_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the daily average number of derivative instruments bought and sold by the entity.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_DerivativeAverageNumberOfInstrumentsTraded_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Derivative Average Number of Instruments Traded</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_DerivativeAverageNumberOfInstrumentsTraded_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Monthly average number of derivative instruments bought and sold</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_MarginToEquityRatio" xlink:label="gpff_MarginToEquityRatio" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_MarginToEquityRatio" xlink:to="gpff_MarginToEquityRatio_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="gpff_MarginToEquityRatio_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Represents the rarely exceeded margin-to-equity ratio, expressed as percentage, maintained by the entity.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_MarginToEquityRatio_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Margin to Equity Ratio</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_MarginToEquityRatio_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Rarely exceeded margin-to-equity ratio (as a percent)</label>
    <loc xlink:type="locator" xlink:href="tmb-20251231.xsd#gpff_TradingSecuritiesAndEquityOptionsGainLossBeforeBrokerageCommissionsRevenueAbstract" xlink:label="gpff_TradingSecuritiesAndEquityOptionsGainLossBeforeBrokerageCommissionsRevenueAbstract" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="gpff_TradingSecuritiesAndEquityOptionsGainLossBeforeBrokerageCommissionsRevenueAbstract" xlink:to="gpff_TradingSecuritiesAndEquityOptionsGainLossBeforeBrokerageCommissionsRevenueAbstract_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="gpff_TradingSecuritiesAndEquityOptionsGainLossBeforeBrokerageCommissionsRevenueAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Trading Securities and Equity Options, Gain (Loss), before Brokerage Commissions Revenue [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="gpff_TradingSecuritiesAndEquityOptionsGainLossBeforeBrokerageCommissionsRevenueAbstract_lbl" xml:lang="en-US" xmlns="http://www.xbrl.org/2003/linkbase">Effect of Derivative Instruments on the Consolidated Statement of Operations</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GainLossOnDerivativeInstrumentsHeldForTradingPurposesNet" xlink:label="us-gaap_GainLossOnDerivativeInstrumentsHeldForTradingPurposesNet" xmlns="http://www.xbrl.org/2003/linkbase" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainLossOnDerivativeInstrumentsHeldForTradingPurposesNet" xlink:to="us-gaap_GainLossOnDerivativeInstrumentsHeldForTradingPurposesNet_lbl" xmlns="http://www.xbrl.org/2003/linkbase" />
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