<?xml version="1.0" encoding="us-ascii"?>
<!--XBRL document created by Certent Disclosure Management 6.26.0.5 -->
<!--Based on XBRL 2.1-->
<!--Created on: 2/13/2019 12:40:35 PM-->
<!--Modified on: 2/13/2019 12:40:35 PM-->
<linkbase xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <roleRef xlink:type="simple" xlink:href="millgmt-20180930.xsd#StatementStatementsOfFinancialCondition" roleURI="http://millburncorpDFN.com/2011-06-30/role/StatementStatementsOfFinancialCondition" />
  <roleRef xlink:type="simple" xlink:href="millgmt-20180930.xsd#StatementStatementsOfOperations" roleURI="http://millburncorpDFN.com/2011-06-30/role/StatementStatementsOfOperations" />
  <roleRef xlink:type="simple" xlink:href="millgmt-20180930.xsd#StatementStatementsOfFinancialHighlights" roleURI="http://millburncorpDFN.com/2011-06-30/role/StatementStatementsOfFinancialHighlights" />
  <roleRef xlink:type="simple" xlink:href="millgmt-20180930.xsd#DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfFinancialAssetsAndLiabilitiesAtFairValueDetails" roleURI="http://millburncorpDFN.com/2011-06-30/role/DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfFinancialAssetsAndLiabilitiesAtFairValueDetails" />
  <roleRef xlink:type="simple" xlink:href="millgmt-20180930.xsd#DisclosureDerivativeInstrumentsOffsettingDerivativeAssetsDetails" roleURI="http://millburncorpDFN.com/2011-06-30/role/DisclosureDerivativeInstrumentsOffsettingDerivativeAssetsDetails" />
  <roleRef xlink:type="simple" xlink:href="millgmt-20180930.xsd#DisclosureDerivativeInstrumentsOffsettingDerivativeLiabilitiesDetails" roleURI="http://millburncorpDFN.com/2011-06-30/role/DisclosureDerivativeInstrumentsOffsettingDerivativeLiabilitiesDetails" />
  <roleRef xlink:type="simple" xlink:href="millgmt-20180930.xsd#DisclosureProfitShareScheduleOfProfitShareEarnedAndAccruedDetails" roleURI="http://millburncorpDFN.com/2011-06-30/role/DisclosureProfitShareScheduleOfProfitShareEarnedAndAccruedDetails" />
  <roleRef xlink:type="simple" xlink:href="millgmt-20180930.xsd#DisclosureBrokerageAndCustodialFeesScheduleOfBrokerageAndCustodialFeesDetails" roleURI="http://millburncorpDFN.com/2011-06-30/role/DisclosureBrokerageAndCustodialFeesScheduleOfBrokerageAndCustodialFeesDetails" />
  <calculationLink xlink:role="http://millburncorpDFN.com/2011-06-30/role/StatementStatementsOfFinancialCondition" xlink:type="extended" xlink:title="00100 - Statement - Statements Of Financial Condition">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Assets" xlink:label="us-gaap_Assets" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PledgedAssetsSeparatelyReportedOnStatementOfFinancialPositionAtFairValue" xlink:label="us-gaap_PledgedAssetsSeparatelyReportedOnStatementOfFinancialPositionAtFairValue_636856584340800242" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Assets" xlink:to="us-gaap_PledgedAssetsSeparatelyReportedOnStatementOfFinancialPositionAtFairValue_636856584340800242" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeAssets" xlink:label="us-gaap_DerivativeAssets_636856584340805207" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_PledgedAssetsSeparatelyReportedOnStatementOfFinancialPositionAtFairValue_636856584340800242" xlink:to="us-gaap_DerivativeAssets_636856584340805207" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="millgmt-20180930.xsd#millgmt_CashDenominatedInForeignCurrenciesAsset" xlink:label="millgmt_CashDenominatedInForeignCurrenciesAsset_636856584340805207" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_PledgedAssetsSeparatelyReportedOnStatementOfFinancialPositionAtFairValue_636856584340800242" xlink:to="millgmt_CashDenominatedInForeignCurrenciesAsset_636856584340805207" order="2" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancialInstrumentsOwnedAndPledgedAsCollateralAtFairValue" xlink:label="us-gaap_FinancialInstrumentsOwnedAndPledgedAsCollateralAtFairValue_636856584340805207" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_PledgedAssetsSeparatelyReportedOnStatementOfFinancialPositionAtFairValue_636856584340800242" xlink:to="us-gaap_FinancialInstrumentsOwnedAndPledgedAsCollateralAtFairValue_636856584340805207" order="3" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ReceivablesFromBrokersDealersAndClearingOrganizations" xlink:label="us-gaap_ReceivablesFromBrokersDealersAndClearingOrganizations_636856584340805207" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_PledgedAssetsSeparatelyReportedOnStatementOfFinancialPositionAtFairValue_636856584340800242" xlink:to="us-gaap_ReceivablesFromBrokersDealersAndClearingOrganizations_636856584340805207" order="4" use="optional" weight="1" priority="3" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancialInstrumentsOwnedAndNotPledgedAtFairValue" xlink:label="us-gaap_FinancialInstrumentsOwnedAndNotPledgedAtFairValue_636856584340805207" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Assets" xlink:to="us-gaap_FinancialInstrumentsOwnedAndNotPledgedAtFairValue_636856584340805207" order="2" use="optional" weight="1" priority="3" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_636856584340810166" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Assets" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue_636856584340810166" order="3" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestReceivable" xlink:label="us-gaap_InterestReceivable_636856584340810166" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Assets" xlink:to="us-gaap_InterestReceivable_636856584340810166" order="4" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Liabilities" xlink:label="us-gaap_Liabilities_636856584340834966" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_LiabilitiesAndStockholdersEquity" xlink:to="us-gaap_Liabilities_636856584340834966" order="1" use="optional" weight="1" priority="4" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredRevenue" xlink:label="us-gaap_DeferredRevenue_636856584340834966" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Liabilities_636856584340834966" xlink:to="us-gaap_DeferredRevenue_636856584340834966" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeLiabilities" xlink:label="us-gaap_DerivativeLiabilities_636856584340834966" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Liabilities_636856584340834966" xlink:to="us-gaap_DerivativeLiabilities_636856584340834966" order="2" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DueToRelatedPartiesCurrentAndNoncurrent" xlink:label="us-gaap_DueToRelatedPartiesCurrentAndNoncurrent_636856584340834966" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Liabilities_636856584340834966" xlink:to="us-gaap_DueToRelatedPartiesCurrentAndNoncurrent_636856584340834966" order="3" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccruedProfessionalFeesCurrentAndNoncurrent" xlink:label="us-gaap_AccruedProfessionalFeesCurrentAndNoncurrent_636856584340839927" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Liabilities_636856584340834966" xlink:to="us-gaap_AccruedProfessionalFeesCurrentAndNoncurrent_636856584340839927" order="4" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ManagementFeePayable" xlink:label="us-gaap_ManagementFeePayable_636856584340839927" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Liabilities_636856584340834966" xlink:to="us-gaap_ManagementFeePayable_636856584340839927" order="5" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="millgmt-20180930.xsd#millgmt_RedemptionsPayableToUnitholders" xlink:label="millgmt_RedemptionsPayableToUnitholders_636856584340839927" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Liabilities_636856584340834966" xlink:to="millgmt_RedemptionsPayableToUnitholders_636856584340839927" order="6" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="millgmt-20180930.xsd#millgmt_RedemptionsPayableToManagingOwner" xlink:label="millgmt_RedemptionsPayableToManagingOwner_636856584340839927" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Liabilities_636856584340834966" xlink:to="millgmt_RedemptionsPayableToManagingOwner_636856584340839927" order="7" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccruedLiabilitiesCurrentAndNoncurrent" xlink:label="us-gaap_AccruedLiabilitiesCurrentAndNoncurrent_636856584340839927" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Liabilities_636856584340834966" xlink:to="us-gaap_AccruedLiabilitiesCurrentAndNoncurrent_636856584340839927" order="8" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PayablesToBrokerDealersAndClearingOrganizations" xlink:label="us-gaap_PayablesToBrokerDealersAndClearingOrganizations_636856584340844887" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Liabilities_636856584340834966" xlink:to="us-gaap_PayablesToBrokerDealersAndClearingOrganizations_636856584340844887" order="9" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="millgmt-20180930.xsd#millgmt_AccruedProfitShare" xlink:label="millgmt_AccruedProfitShare_636856584340844887" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_Liabilities_636856584340834966" xlink:to="millgmt_AccruedProfitShare_636856584340844887" order="10" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PartnersCapital" xlink:label="us-gaap_PartnersCapital_636856584340844887" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_LiabilitiesAndStockholdersEquity" xlink:to="us-gaap_PartnersCapital_636856584340844887" order="2" use="optional" weight="1" priority="2" />
  </calculationLink>
  <calculationLink xlink:role="http://millburncorpDFN.com/2011-06-30/role/StatementStatementsOfOperations" xlink:type="extended" xlink:title="00400 - Statement - Statements Of Operations">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="us-gaap_NetIncomeLoss" />
    <loc xlink:type="locator" xlink:href="millgmt-20180930.xsd#millgmt_NetIncomeLossBeforeProfitShare" xlink:label="millgmt_NetIncomeLossBeforeProfitShare_636856584340844887" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetIncomeLoss" xlink:to="millgmt_NetIncomeLossBeforeProfitShare_636856584340844887" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GainLossOnInvestments" xlink:label="us-gaap_GainLossOnInvestments_636856584340844887" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="millgmt_NetIncomeLossBeforeProfitShare_636856584340844887" xlink:to="us-gaap_GainLossOnInvestments_636856584340844887" order="1" use="optional" weight="1" priority="4" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UnrealizedGainLossOnSecurities" xlink:label="us-gaap_UnrealizedGainLossOnSecurities_636856584340844887" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_GainLossOnInvestments_636856584340844887" xlink:to="us-gaap_UnrealizedGainLossOnSecurities_636856584340844887" order="1" use="optional" weight="1" priority="3" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ForeignCurrencyTransactionGainLossRealized" xlink:label="us-gaap_ForeignCurrencyTransactionGainLossRealized_636856584340844887" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_GainLossOnInvestments_636856584340844887" xlink:to="us-gaap_ForeignCurrencyTransactionGainLossRealized_636856584340844887" order="2" use="optional" weight="1" priority="3" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ForeignCurrencyTransactionGainLossUnrealized" xlink:label="us-gaap_ForeignCurrencyTransactionGainLossUnrealized_636856584340844887" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_GainLossOnInvestments_636856584340844887" xlink:to="us-gaap_ForeignCurrencyTransactionGainLossUnrealized_636856584340844887" order="3" use="optional" weight="1" priority="3" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GainLossOnSaleOfDerivatives" xlink:label="us-gaap_GainLossOnSaleOfDerivatives_636856584340849846" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_GainLossOnInvestments_636856584340844887" xlink:to="us-gaap_GainLossOnSaleOfDerivatives_636856584340849846" order="4" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UnrealizedGainLossOnDerivativesAndCommodityContracts" xlink:label="us-gaap_UnrealizedGainLossOnDerivativesAndCommodityContracts_636856584340849846" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_GainLossOnInvestments_636856584340844887" xlink:to="us-gaap_UnrealizedGainLossOnDerivativesAndCommodityContracts_636856584340849846" order="5" use="optional" weight="1" priority="3" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GainLossOnSaleOfSecuritiesNet" xlink:label="us-gaap_GainLossOnSaleOfSecuritiesNet_636856584340849846" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_GainLossOnInvestments_636856584340844887" xlink:to="us-gaap_GainLossOnSaleOfSecuritiesNet_636856584340849846" order="6" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="us-gaap_OperatingIncomeLoss_636856584340849846" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="millgmt_NetIncomeLossBeforeProfitShare_636856584340844887" xlink:to="us-gaap_OperatingIncomeLoss_636856584340849846" order="2" use="optional" weight="1" priority="5" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingExpenses" xlink:label="us-gaap_OperatingExpenses_636856584340849846" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_OperatingIncomeLoss_636856584340849846" xlink:to="us-gaap_OperatingExpenses_636856584340849846" order="1" use="optional" weight="-1" priority="3" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpense_636856584340849846" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_OperatingExpenses_636856584340849846" xlink:to="us-gaap_SellingGeneralAndAdministrativeExpense_636856584340849846" order="1" use="optional" weight="1" priority="3" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FloorBrokerageExchangeAndClearanceFees" xlink:label="us-gaap_FloorBrokerageExchangeAndClearanceFees_636856584340849846" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_SellingGeneralAndAdministrativeExpense_636856584340849846" xlink:to="us-gaap_FloorBrokerageExchangeAndClearanceFees_636856584340849846" order="1" use="optional" weight="1" priority="4" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GeneralAndAdministrativeExpense" xlink:label="us-gaap_GeneralAndAdministrativeExpense_636856584340849846" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_SellingGeneralAndAdministrativeExpense_636856584340849846" xlink:to="us-gaap_GeneralAndAdministrativeExpense_636856584340849846" order="2" use="optional" weight="1" priority="6" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CustodyFees" xlink:label="us-gaap_CustodyFees_636856584340849846" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_SellingGeneralAndAdministrativeExpense_636856584340849846" xlink:to="us-gaap_CustodyFees_636856584340849846" order="3" use="optional" weight="1" priority="6" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProfessionalFees" xlink:label="us-gaap_ProfessionalFees_636856584340854805" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_SellingGeneralAndAdministrativeExpense_636856584340849846" xlink:to="us-gaap_ProfessionalFees_636856584340854805" order="4" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="millgmt-20180930.xsd#millgmt_ManagingOwnerCommisionRebateToUnitholders" xlink:label="millgmt_ManagingOwnerCommisionRebateToUnitholders_636856584340854805" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_OperatingExpenses_636856584340849846" xlink:to="millgmt_ManagingOwnerCommisionRebateToUnitholders_636856584340854805" order="2" use="optional" weight="-1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InvestmentIncomeInterest" xlink:label="us-gaap_InvestmentIncomeInterest_636856584340854805" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_OperatingIncomeLoss_636856584340849846" xlink:to="us-gaap_InvestmentIncomeInterest_636856584340854805" order="2" use="optional" weight="1" priority="3" />
    <loc xlink:type="locator" xlink:href="millgmt-20180930.xsd#millgmt_ProfitShareAllocatedToManagingOwner" xlink:label="millgmt_ProfitShareAllocatedToManagingOwner_636856584340854805" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_NetIncomeLoss" xlink:to="millgmt_ProfitShareAllocatedToManagingOwner_636856584340854805" order="2" use="optional" weight="-1" priority="2" />
  </calculationLink>
  <calculationLink xlink:role="http://millburncorpDFN.com/2011-06-30/role/StatementStatementsOfFinancialHighlights" xlink:type="extended" xlink:title="00600 - Statement - Statements Of Financial Highlights">
    <loc xlink:type="locator" xlink:href="millgmt-20180930.xsd#millgmt_NetIncomeLossPerUnit" xlink:label="millgmt_NetIncomeLossPerUnit" />
    <loc xlink:type="locator" xlink:href="millgmt-20180930.xsd#millgmt_ProfitShareAllocatedToManagingOwnerPerUnit" xlink:label="millgmt_ProfitShareAllocatedToManagingOwnerPerUnit_636856584340854805" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="millgmt_NetIncomeLossPerUnit" xlink:to="millgmt_ProfitShareAllocatedToManagingOwnerPerUnit_636856584340854805" order="1" use="optional" weight="-1" priority="7" />
    <loc xlink:type="locator" xlink:href="millgmt-20180930.xsd#millgmt_NetIncomeLossFromOperationsPerUnitBeforeProfitShareAllocatedToManagingOwner" xlink:label="millgmt_NetIncomeLossFromOperationsPerUnitBeforeProfitShareAllocatedToManagingOwner_636856584340854805" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="millgmt_NetIncomeLossPerUnit" xlink:to="millgmt_NetIncomeLossFromOperationsPerUnitBeforeProfitShareAllocatedToManagingOwner_636856584340854805" order="2" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="millgmt-20180930.xsd#millgmt_NetInvestmentIncomeLossPerUnit" xlink:label="millgmt_NetInvestmentIncomeLossPerUnit_636856584340854805" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="millgmt_NetIncomeLossFromOperationsPerUnitBeforeProfitShareAllocatedToManagingOwner_636856584340854805" xlink:to="millgmt_NetInvestmentIncomeLossPerUnit_636856584340854805" order="1" use="optional" weight="1" priority="4" />
    <loc xlink:type="locator" xlink:href="millgmt-20180930.xsd#millgmt_TradingGainsLossesPerUnit" xlink:label="millgmt_TradingGainsLossesPerUnit_636856584340859765" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="millgmt_NetIncomeLossFromOperationsPerUnitBeforeProfitShareAllocatedToManagingOwner_636856584340854805" xlink:to="millgmt_TradingGainsLossesPerUnit_636856584340859765" order="2" use="optional" weight="1" priority="4" />
    <loc xlink:type="locator" xlink:href="millgmt-20180930.xsd#millgmt_USTreasuryNotesGainsLossesPerUnit" xlink:label="millgmt_USTreasuryNotesGainsLossesPerUnit_636856584340859765" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="millgmt_NetIncomeLossFromOperationsPerUnitBeforeProfitShareAllocatedToManagingOwner_636856584340854805" xlink:to="millgmt_USTreasuryNotesGainsLossesPerUnit_636856584340859765" order="3" use="optional" weight="1" priority="4" />
  </calculationLink>
  <calculationLink xlink:role="http://millburncorpDFN.com/2011-06-30/role/DisclosureSummaryOfSignificantAccountingPoliciesScheduleOfFinancialAssetsAndLiabilitiesAtFairValueDetails" xlink:type="extended" xlink:title="40302 - Disclosure - Summary Of Significant Accounting Policies (Schedule Of Financial Assets And Liabilities At Fair Value) (Details)">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueNetAssetLiability" xlink:label="us-gaap_FairValueNetAssetLiability" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShortTermInvestments" xlink:label="us-gaap_ShortTermInvestments_636856584340859765" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_FairValueNetAssetLiability" xlink:to="us-gaap_ShortTermInvestments_636856584340859765" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancialInstrumentsOwnedAtFairValue" xlink:label="us-gaap_FinancialInstrumentsOwnedAtFairValue_636856584340859765" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_FairValueNetAssetLiability" xlink:to="us-gaap_FinancialInstrumentsOwnedAtFairValue_636856584340859765" order="2" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancialInstrumentsOwnedAndNotPledgedAtFairValue" xlink:label="us-gaap_FinancialInstrumentsOwnedAndNotPledgedAtFairValue_636856584340859765" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_FinancialInstrumentsOwnedAtFairValue_636856584340859765" xlink:to="us-gaap_FinancialInstrumentsOwnedAndNotPledgedAtFairValue_636856584340859765" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FinancialInstrumentsOwnedAndPledgedAsCollateralAtFairValue" xlink:label="us-gaap_FinancialInstrumentsOwnedAndPledgedAsCollateralAtFairValue_636856584340859765" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_FinancialInstrumentsOwnedAtFairValue_636856584340859765" xlink:to="us-gaap_FinancialInstrumentsOwnedAndPledgedAsCollateralAtFairValue_636856584340859765" order="2" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet" xlink:label="us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet_636856584340859765" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_FairValueNetAssetLiability" xlink:to="us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet_636856584340859765" order="3" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeAssets" xlink:label="us-gaap_DerivativeAssets_636856584340859765" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet_636856584340859765" xlink:to="us-gaap_DerivativeAssets_636856584340859765" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeLiabilities" xlink:label="us-gaap_DerivativeLiabilities_636856584340859765" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet_636856584340859765" xlink:to="us-gaap_DerivativeLiabilities_636856584340859765" order="2" use="optional" weight="-1" priority="2" />
  </calculationLink>
  <calculationLink xlink:role="http://millburncorpDFN.com/2011-06-30/role/DisclosureDerivativeInstrumentsOffsettingDerivativeAssetsDetails" xlink:type="extended" xlink:title="40506 - Disclosure - Derivative Instruments (Offsetting Derivative Assets) (Details)">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeAssetFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection" xlink:label="us-gaap_DerivativeAssetFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeAssets" xlink:label="us-gaap_DerivativeAssets_636856584340864725" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_DerivativeAssetFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection" xlink:to="us-gaap_DerivativeAssets_636856584340864725" order="1" use="optional" weight="1" priority="3" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeAssetFairValueGrossLiability" xlink:label="us-gaap_DerivativeAssetFairValueGrossLiability_636856584340864725" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_DerivativeAssets_636856584340864725" xlink:to="us-gaap_DerivativeAssetFairValueGrossLiability_636856584340864725" order="1" use="optional" weight="-1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeAssetFairValueGrossAssetIncludingNotSubjectToMasterNettingArrangement" xlink:label="us-gaap_DerivativeAssetFairValueGrossAssetIncludingNotSubjectToMasterNettingArrangement_636856584340864725" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_DerivativeAssets_636856584340864725" xlink:to="us-gaap_DerivativeAssetFairValueGrossAssetIncludingNotSubjectToMasterNettingArrangement_636856584340864725" order="2" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeAssetNotSubjectToMasterNettingArrangementDeduction" xlink:label="us-gaap_DerivativeAssetNotSubjectToMasterNettingArrangementDeduction_636856584340864725" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_DerivativeAssetFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection" xlink:to="us-gaap_DerivativeAssetNotSubjectToMasterNettingArrangementDeduction_636856584340864725" order="2" use="optional" weight="-1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeAssetCollateralObligationToReturnCashOffset" xlink:label="us-gaap_DerivativeAssetCollateralObligationToReturnCashOffset_636856584340864725" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_DerivativeAssetFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection" xlink:to="us-gaap_DerivativeAssetCollateralObligationToReturnCashOffset_636856584340864725" order="3" use="optional" weight="-1" priority="2" />
  </calculationLink>
  <calculationLink xlink:role="http://millburncorpDFN.com/2011-06-30/role/DisclosureDerivativeInstrumentsOffsettingDerivativeLiabilitiesDetails" xlink:type="extended" xlink:title="40507 - Disclosure - Derivative Instruments (Offsetting Derivative Liabilities) (Details)">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeLiabilityFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection" xlink:label="us-gaap_DerivativeLiabilityFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeLiabilities" xlink:label="us-gaap_DerivativeLiabilities_636856584340864725" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_DerivativeLiabilityFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection" xlink:to="us-gaap_DerivativeLiabilities_636856584340864725" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeLiabilityFairValueGrossLiabilityIncludingNotSubjectToMasterNettingArrangement" xlink:label="us-gaap_DerivativeLiabilityFairValueGrossLiabilityIncludingNotSubjectToMasterNettingArrangement_636856584340864725" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_DerivativeLiabilities_636856584340864725" xlink:to="us-gaap_DerivativeLiabilityFairValueGrossLiabilityIncludingNotSubjectToMasterNettingArrangement_636856584340864725" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeLiabilityFairValueGrossAsset" xlink:label="us-gaap_DerivativeLiabilityFairValueGrossAsset_636856584340864725" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_DerivativeLiabilities_636856584340864725" xlink:to="us-gaap_DerivativeLiabilityFairValueGrossAsset_636856584340864725" order="2" use="optional" weight="-1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeLiabilityNotSubjectToMasterNettingArrangementDeduction" xlink:label="us-gaap_DerivativeLiabilityNotSubjectToMasterNettingArrangementDeduction_636856584340864725" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_DerivativeLiabilityFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection" xlink:to="us-gaap_DerivativeLiabilityNotSubjectToMasterNettingArrangementDeduction_636856584340864725" order="2" use="optional" weight="-1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DerivativeLiabilityCollateralRightToReclaimCashOffset" xlink:label="us-gaap_DerivativeLiabilityCollateralRightToReclaimCashOffset_636856584340864725" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_DerivativeLiabilityFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection" xlink:to="us-gaap_DerivativeLiabilityCollateralRightToReclaimCashOffset_636856584340864725" order="3" use="optional" weight="-1" priority="2" />
  </calculationLink>
  <calculationLink xlink:role="http://millburncorpDFN.com/2011-06-30/role/DisclosureProfitShareScheduleOfProfitShareEarnedAndAccruedDetails" xlink:type="extended" xlink:title="40801 - Disclosure - Profit Share (Schedule Of Profit Share Earned And Accrued) (Details)">
    <loc xlink:type="locator" xlink:href="millgmt-20180930.xsd#millgmt_ProfitShareAllocatedToGeneralPartner" xlink:label="millgmt_ProfitShareAllocatedToGeneralPartner_634770849835346894" />
    <loc xlink:type="locator" xlink:href="millgmt-20180930.xsd#millgmt_ProfitShareAccrued" xlink:label="millgmt_ProfitShareAccrued_636856584340869687" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="millgmt_ProfitShareAllocatedToGeneralPartner_634770849835346894" xlink:to="millgmt_ProfitShareAccrued_636856584340869687" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="millgmt-20180930.xsd#millgmt_ProfitShareEarned" xlink:label="millgmt_ProfitShareEarned_636856584340869687" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="millgmt_ProfitShareAllocatedToGeneralPartner_634770849835346894" xlink:to="millgmt_ProfitShareEarned_636856584340869687" order="2" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="millgmt-20180930.xsd#millgmt_ReversalOfProfitShare" xlink:label="millgmt_ReversalOfProfitShare_636856584340869687" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="millgmt_ProfitShareAllocatedToGeneralPartner_634770849835346894" xlink:to="millgmt_ReversalOfProfitShare_636856584340869687" order="3" use="optional" weight="-1" priority="1" />
  </calculationLink>
  <calculationLink xlink:role="http://millburncorpDFN.com/2011-06-30/role/DisclosureBrokerageAndCustodialFeesScheduleOfBrokerageAndCustodialFeesDetails" xlink:type="extended" xlink:title="41202 - Disclosure - Brokerage And Custodial Fees (Schedule Of Brokerage And Custodial Fees) (Details)">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FloorBrokerageExchangeAndClearanceFees" xlink:label="us-gaap_FloorBrokerageExchangeAndClearanceFees" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FloorBrokerage" xlink:label="us-gaap_FloorBrokerage_636856584340874650" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_FloorBrokerageExchangeAndClearanceFees" xlink:to="us-gaap_FloorBrokerage_636856584340874650" order="1" use="optional" weight="1" priority="2" />
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ClearanceFees" xlink:label="us-gaap_ClearanceFees_636856584340874650" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="us-gaap_FloorBrokerageExchangeAndClearanceFees" xlink:to="us-gaap_ClearanceFees_636856584340874650" order="2" use="optional" weight="1" priority="2" />
  </calculationLink>
</linkbase>
