OpenModelica master from 2026-09-12 03:46:39 to 2026-09-13 13:18:24

Summary

OMC Commits6
Libraries Changed3
Number of Improvements8
Number of Regressions2
Number of Performance Improvements23
Number of Performance Regressions7

OpenModelica Changes

CommitDateAuthorSummary
ebda597bb02026-09-12 21:24:29 +0200Martin SjölundSet array variables whole in the FMI simulator (#16692)
52116911a42026-09-12 09:40:46 +0200Martin Sjölundwasm-jit: bind a model's archives eagerly
c854d00eed2026-09-12 08:14:51 +0200Martin Sjölundwasm-jit: chunk a nonlinear system's residual
1ac00a73992026-09-12 00:25:05 +0200Martin Sjölundwasm-jit: skip the inliner on an enormous function
003d23e27f2026-09-12 00:03:47 +0200Martin Sjölundwasm-jit: isolate a run that leaves the sandbox
92c71d211c2026-09-12 07:58:06 +0200Martin SjölundCross-build the Qt GUI clients for mac and win (#16685)

3rdParty changes

Note that the 3rdParty libraries changed: e8acc1f39b4c..27224ba7983a

OpenModelicaLibraryTesting Changes

CommitDateAuthorSummary
1418d012026-09-13 08:31:06 +0200Martin SjölundResolve the SemVer version omc now reports
5b24b0b2026-09-12 09:47:08 +0200Martin SjölundGive each runner a working directory of its own (#360)

Library Changes

LibraryChange
Buildings_11From version 11.1.2-maint.11.x (27fee964af593be6026d2de4d6975be02d810490) to 11.1.2-maint.11.x (54efcd7546501f1a2d86e42eb827548a06f4713f)
Buildings_12From version 12.1.2-maint.12.x (0600dc3f0972715f5f0f5c3d9cb7fe6872f15bf8) to 12.1.2-maint.12.x (2bcb6634c8c0e587455a66b7d1aa4b8d9aea95fd)
Buildings_latestFrom version 14.0.0-master (8b1f8a1c6437f56745cfa40bb00fb065aa45ac2f) to 14.0.0-master (4736a77498afdaaa9356f0fe3bc768b24a510020)

Models Affected

AixLibAixLib.Obsolete.Year2022.Examples.NcDataReader (sim)Templates → Simulate
BuildingSystemsBuildingSystems.Utilities.NetCDF_DataReader.ExampleNcDataReader (sim)Templates → Simulate
Buildings_11Buildings.Controls.OBC.ASHRAE.G36.AHUs.MultiZone.VAV.SetPoints.Validation.FreezeProtection (sim)Verify → Simulate
Buildings_11Buildings.Controls.OBC.ASHRAE.G36.AHUs.SingleZone.VAV.SetPoints.Validation.FreezeProtection (sim)Verify → Simulate
Buildings_11Buildings.DHC.Examples.Combined.SeriesVariableFlowAgentControl (sim)BackEnd performance 13.99 → 8.00
Buildings_11Buildings.ThermalZones.EnergyPlus_9_6_0.Examples.SmallOffice.ASHRAE2006Spring (sim)FrontEnd performance 10.95 → 5.48
Buildings_11Buildings.ThermalZones.EnergyPlus_9_6_0.Examples.SmallOffice.ASHRAE2006Summer (sim)FrontEnd performance 10.69 → 5.52
Buildings_11Buildings.ThermalZones.EnergyPlus_9_6_0.Examples.SmallOffice.ASHRAE2006Winter (sim)FrontEnd performance 11.01 → 5.95
Buildings_11Buildings.ThermalZones.EnergyPlus_9_6_0.Examples.SmallOffice.Guideline36Spring (sim)FrontEnd performance 13.86 → 7.41
Buildings_11Buildings.ThermalZones.EnergyPlus_9_6_0.Examples.SmallOffice.Guideline36Summer (sim)FrontEnd performance 12.59 → 7.22
Buildings_12Buildings.Examples.VAVReheat.Validation.TraceSubstance (sim)Simulate performance 0:01:58 → 0:01:00
Buildings_12Buildings.ThermalZones.Detailed.Examples.FFD.Tutorial.MixedConvection (sim)Simulate performance 0.13 → 0:04:00
Buildings_latestBuildings.Controls.OBC.ASHRAE.G36.Plants.Chillers.Economizers.Subsequences.Validation.Tuning_uEcoSta_uTowFanSpeMax (sim)Simulate → Verify
Buildings_latestBuildings.DHC.Examples.Combined.SeriesVariableFlow (sim)BackEnd performance 7.79 → 13.75
Modelica_DeviceDriversModelica_DeviceDrivers.Blocks.Examples.TestSerialPackagerBitPack_UDP (sim)Compile → Simulate
Modelica_DeviceDriversModelica_DeviceDrivers.Blocks.Examples.TestSerialPackager_UDPAutoBufferSize (sim)Compile → Simulate
Modelica_DeviceDriversModelica_DeviceDrivers.Blocks.Examples.TestSerialPackager_UDPExternalTrigger (sim)Compile → Simulate
ScalableTestGrids_nooptScalableTestGrids.Models.Type1.Type1_N_8_M_4 (sim)BackEnd → Simulate
ScalableTestGrids_nooptScalableTestGrids.Models.Type2.Type2_tapEv___N_6_M_4 (sim)Simulate performance 19.70 → 34.96
ScalableTestSuiteScalableTestSuite.Electrical.DistributionSystemAC.ScaledExperiments.DistributionSystemLinearIndividual_N_28_M_28 (sim)BackEnd performance 17.91 → 8.10
ScalableTestSuiteScalableTestSuite.Electrical.DistributionSystemAC.ScaledExperiments.DistributionSystemLinearIndividual_N_56_M_56 (sim)Failed → Compile
ScalableTestSuiteScalableTestSuite.Electrical.DistributionSystemAC.ScaledExperiments.DistributionSystemLinear_N_28_M_28 (sim)BackEnd performance 21.71 → 11.49
ScalableTestSuiteScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelicaActiveLoads_N_320_M_5 (sim)BackEnd performance 18.55 → 10.77
ScalableTestSuiteScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelicaActiveLoads_N_80_M_20 (sim)BackEnd performance 16.21 → 8.90
ScalableTestSuiteScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelicaIndividual_N_80_M_80 (sim)Templates performance 8.65 → 15.35
ScalableTestSuiteScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelica_N_80_M_80 (sim)Simulate performance 5.02 → 10.49
ScalableTestSuiteScalableTestSuite.Electrical.TransmissionLine.ScaledExperiments.TransmissionLineModelica_N_1280 (sim)BackEnd performance 11.32 → 5.77
ScalableTestSuiteScalableTestSuite.Elementary.SimpleODE.ScaledExperiments.CascadedFirstOrder_N_25600 (sim)Simulate performance 16.87 → 39.06
ScalableTestSuiteScalableTestSuite.Thermal.Advection.ScaledExperiments.AdvectionReaction_N_12800 (sim)BackEnd performance 11.36 → 5.46
ScalableTestSuiteScalableTestSuite.Thermal.Advection.ScaledExperiments.SimpleAdvection_N_12800 (sim)Simulate performance 20.90 → 8.06
ScalableTestSuiteScalableTestSuite.Thermal.Advection.ScaledExperiments.SteamPipe_N_1280 (sim)BackEnd performance 18.55 → 9.69
ScalableTestSuiteScalableTestSuite.Thermal.Advection.ScaledExperiments.SteamPipe_N_2560 (sim)BackEnd performance 38.31 → 21.32 Templates performance 13.13 → 7.61
ScalableTestSuite_nooptScalableTestSuite.Electrical.DistributionSystemAC.ScaledExperiments.DistributionSystemLinearIndividual_N_28_M_28 (sim)BackEnd performance 18.56 → 9.13
ScalableTestSuite_nooptScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelicaActiveLoads_N_320_M_5 (sim)Simulate performance 14.94 → 3.73
ScalableTestSuite_nooptScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelicaActiveLoads_N_56_M_56 (sim)Simulate performance 7.47 → 13.97
ScalableTestSuite_nooptScalableTestSuite.Mechanical.HarmonicOscillator.ScaledExperiments.HarmonicOscillator_N_3200 (sim)Simulate performance 17.40 → 8.89
ScalableTestSuite_nooptScalableTestSuite.Thermal.Advection.ScaledExperiments.AdvectionReaction_N_12800 (sim)BackEnd performance 11.03 → 5.70 Simulate performance 0:03:00 → 0:01:42
ScalableTestSuite_nooptScalableTestSuite.Thermal.Advection.ScaledExperiments.SteamPipe_N_1280 (sim)BackEnd performance 19.10 → 9.80
ScalableTestSuite_nooptScalableTestSuite.Thermal.Advection.ScaledExperiments.SteamPipe_N_160 (sim)Simulate performance 14.91 → 8.53
ScalableTestSuite_nooptScalableTestSuite.Thermal.Advection.ScaledExperiments.SteamPipe_N_2560 (sim)BackEnd performance 42.52 → 22.53