OpenModelica master-fmi-fmpy from 2026-05-05 14:40:30 to 2026-05-09 06:01:15

Summary

OMC Commits14
Libraries Changed1
Number of Improvements4
Number of Regressions35
Number of Performance Improvements4
Number of Performance Regressions3

OpenModelica Changes

CommitDateAuthorSummary
09b6001b842026-05-07 18:01:52 +0200Per ÖstlundAdd basic alias elimination of flows in stream connectors (#15517)
9e8d4776c72026-05-07 15:52:06 +0200Adrian PopAdd missing imports in MetaModelica (#15515)
7e4e775b922026-05-06 21:55:06 +0200Martin SjölundFCore.RefTree is a package, not a type (#15513)
9a9c4fb1ba2026-05-06 21:22:55 +0200Adeel AsgharImprove the modifiers management (#15508)
f3c163ba5b2026-05-06 18:48:24 +0200Per ÖstlundKeep element-wise property when type checking (#15511)
959f964dad2026-05-06 16:11:26 +0200phannebohm[NB] Use partition kind for initial cleanup (#15507)
558a9cc2ca2026-05-06 15:44:58 +0200kabdelhak[NB] add sliced tuple index reduction (#15506)
a2971304802026-05-06 15:10:56 +0200Per ÖstlundUpdate some test cases to use the NF (#15505)
2fea06261f2026-05-06 14:44:47 +0200Martin SjölundFixing some code that should not have compiled (#15504)
48a5f446a02026-05-06 12:55:40 +0200Martin SjölundUse listArrayLiteral for constants (#15503)
d97adc07332026-05-06 08:42:31 +0200Martin SjölundReplace equations with algorithms in MetaModelica (#15502)
045c18eec52026-05-05 20:36:35 +0200phannebohm[NB] Find more SCC aliases (#15499)
4250e5b0482026-05-05 17:40:53 +0200kabdelhak[NB] add differentiation info to pre-defined functions (#15498)
33dc911db82026-05-05 15:56:51 +0200kabdelhak[NB] update index reduction (#15497)

OpenModelicaLibraryTesting Changes

CommitDateAuthorSummary
1dd4db72026-04-19 14:25:16 +0200Adrian Popforce fetch of tags to handle the floating tag 'nightly' (#285)
e83c3f42026-04-14 08:15:53 +0200Adrian Popcannot run python -m fmpy via check_output_log (#284)

Library Changes

LibraryChange
Buildings_latestFrom version 13.0.0-master (https://github.com/lbl-srg/modelica-buildings/archive/55abf579598ca81cae0a82f337350375958e6722.zip) FMPy version 0.3.29 to 13.0.1-master (https://github.com/lbl-srg/modelica-buildings/archive/6e0f19a25b5b4f8dfb620d8c68d10b537dfdec2d.zip) FMPy version 0.3.29

Models Affected

AixLibAixLib.Systems.ModularAHU.Validation.AHU2_Preheater (sim)Simulate → Failed
BuildSysProBuildSysPro.Building.Examples.ValidationDMvsSM (sim)Compile → SimCode
BuildingSystemsBuildingSystems.Applications.HeatingSystems.SolarHeatingSystem (sim)Compile → SimCode
BuildingSystemsBuildingSystems.Applications.SolarThermalSystems.SolarThermalSystem1 (sim)Compile → SimCode
BuildingSystemsBuildingSystems.Applications.SolarThermalSystems.SolarThermalSystem2 (sim)Compile → SimCode
BuildingSystemsBuildingSystems.Technologies.SolarThermal.Examples.BigCollectorInstallationWithStorage (sim)Compile → SimCode
BuildingSystemsBuildingSystems.Technologies.SolarThermal.Examples.SingleCollectorTest (sim)Simulate → SimCode
Buildings_latestBuildings.DHC.Loads.BaseClasses.Examples.CouplingRCZ6 (sim)Failed → Verify
Buildings_latestBuildings.Media.Antifreeze.Functions.Validation.EthyleneGlycolWater (sim)Simulate → Verify
Buildings_latestBuildings.Media.Antifreeze.Functions.Validation.PropyleneGlycolWater (sim)Simulate → Verify
Buildings_latestBuildings.ThermalZones.Detailed.Examples.FFD.Tutorial.MixedConvection (sim)Simulate performance 0:14:02 → 1.22
ClaRaClaRa.Basics.ControlVolumes.GasVolumes.Check.TestFlueGasCell_N_cv (sim)Simulate → SimCode
ClaRaClaRa.Components.Adapters.Check.TestScalar2VectorHeatPort (sim)Verify → SimCode
ClaRaClaRa.Components.FlueGasCleaning.Desulfurization.Check.Test_FlueGasCleaning (sim)Verify → SimCode
ClaRaClaRa.Components.HeatExchangers.Check.Test_RegenerativeAirPreheater (sim)Compile → SimCode
ClaRaClaRa.Components.Mills.PhysicalMills.Check.TestMillBox_1 (sim)Verify → SimCode
ClaRaClaRa.Components.Mills.PhysicalMills.Check.TestMillBox_2 (sim)Compile → SimCode
ClaRaClaRa.Components.Mills.PhysicalMills.Volumes.Check.TestAerosolVolume (sim)Simulate → SimCode
ClaRaClaRa.Components.VolumesValvesFittings.Pipes.Check.OnePhaseFlow.Test_Tube_FlueGas_L2_Simple (sim)Verify → SimCode
ClaRa_devClaRa.Basics.ControlVolumes.GasVolumes.Check.TestFlueGasCell_N_cv (sim)Verify → Templates
ClaRa_devClaRa.Components.Adapters.Check.TestScalar2VectorHeatPort (sim)Verify → Templates
ClaRa_devClaRa.Components.FlueGasCleaning.Desulfurization.Check.Test_FlueGasCleaning (sim)Verify → Templates
ClaRa_devClaRa.Components.HeatExchangers.Check.Test_RegenerativeAirPreheater (sim)Verify → Templates
ClaRa_devClaRa.Components.Mills.PhysicalMills.Check.TestMillBox_1 (sim)Compile → Templates
ClaRa_devClaRa.Components.Mills.PhysicalMills.Check.TestMillBox_1_measurementInput (sim)Compile → Templates
ClaRa_devClaRa.Components.Mills.PhysicalMills.Check.TestMillBox_2 (sim)Compile → Templates
ClaRa_devClaRa.Components.Mills.PhysicalMills.Volumes.Check.TestAerosolVolume (sim)Compile → Templates
ClaRa_devClaRa.Components.VolumesValvesFittings.Pipes.Check.OnePhaseFlow.Test_Tube_FlueGas_L2_Simple (sim)Verify → Templates
OpenIPSL_2.0.0OpenIPSL.Examples.TwoAreas.Two_Areas_PSAT (sim)Simulate performance 10.03 → 2.83
PhysiolibraryPhysiolibrary.Organs.Lungs.Examples.MeanLungsTest (sim)Compile → Failed
SOFCPoliMiSOFCPoliMi.Tests.BenchmarkCammarata (sim)Compile → SimCode
SOFCPoliMiSOFCPoliMi.Tests.BenchmarkCammarataIndex1 (sim)Compile → SimCode
SOFCPoliMiSOFCPoliMi.Tests.BenchmarkLinConcLosses (sim)Compile → SimCode
SOFCPoliMiSOFCPoliMi.Tests.BenchmarkLinConcLossesHigherCurrent (sim)Compile → SimCode
SOFCPoliMiSOFCPoliMi.Tests.BenchmarkNonLinConcLosses (sim)Compile → SimCode
SOFCPoliMiSOFCPoliMi.Tests.BenchmarkNonLinConcLossesHigherPorosity (sim)Compile → SimCode
SOFCPoliMiSOFCPoliMi.Tests.BenchmarkSalogniColonnaIEA (sim)Compile → SimCode
ScalableTestSuiteScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelicaActiveLoads_N_28_M_28 (sim)Failed → Verify
ScalableTestSuiteScalableTestSuite.Elementary.SimpleODE.ScaledExperiments.CascadedFirstOrder_N_12800 (sim)Verify → Compile
ScalableTestSuiteScalableTestSuite.Thermal.Advection.ScaledExperiments.SimpleAdvection_N_3200 (sim)Compile performance 0:04:08 → 0:02:11
ScalableTestSuiteScalableTestSuite.Thermal.Advection.ScaledExperiments.SteamPipe_N_320 (sim)Compile performance 0:01:28 → 0:03:04
ScalableTestSuiteScalableTestSuite.Thermal.HeatConduction.ScaledExperiments.OneDHeatTransferTT_Modelica_N_1280 (sim)Compile performance 0:01:52 → 0:03:38
ScalableTestSuite_nooptScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelica_N_112_M_112 (sim)Verify → Failed
ScalableTestSuite_nooptScalableTestSuite.Elementary.SimpleODE.ScaledExperiments.CascadedFirstOrder_N_25600 (sim)BackEnd performance 22.10 → 57.30 Simulate performance 50.64 → 12.51
ThermalSeparationThermalSeparation.Examples.ProPen_EQ_SteadyState (sim)Compile → SimCode
ThermoSysProThermoSysPro.Fluid.Examples.CombinedCyclePowerPlant.CombinedCycle_TripTAC (sim)FrontEnd performance 10.08 → 4.12