OpenModelica master-fmi from 2026-01-21 04:15:56 to 2026-01-23 12:44:50

Summary

OMC Commits9
Libraries Changed0
Number of Improvements16
Number of Regressions23
Number of Performance Improvements5
Number of Performance Regressions10

OpenModelica Changes

CommitDateAuthorSummary
132fc2b7642026-01-23 11:59:18 +0100Andreas[Cpp] Zero crossing for real equality (#14935)
192944db252026-01-22 17:20:14 +0100AndreasRefactor fmi events (#14933)
d85222c6212026-01-22 16:38:15 +0100linuslangenkamp[C] fix nonlinear solver divergence handling in GBODE (#14932)
617e42dd062026-01-22 14:52:19 +0100Andreas[NB,C] Save array variables in MAT format (#14922)
e1018038b82026-01-22 14:34:21 +0100Per ÖstlundIssue warning for unpatched ModelicaServices (#14925)
75e06ac2212026-01-22 13:33:19 +0100fbrandt[NF] fix type of MATRIX_VECTOR and VECTOR_MATRIX in repairBinary (#14927)
07aeaef58a2026-01-22 13:24:47 +0100AndreasFixing real array variables filter init, modelData free (#14930)
859dd555f72026-01-21 15:22:41 +0100Per ÖstlundImprove handling of comma separated flag values (#14923)
9d3799bda62026-01-21 13:47:58 +0100phannebohmAlign units with BIPM definitions (#14921)

OpenModelicaLibraryTesting Changes

CommitDateAuthorSummary
f2691882025-12-11 11:52:34 +0100Adrian Popadd extra simflags gbode (#262)
a8b7fb32025-12-04 12:35:20 +0100Adrian Popupdate HelmholtzMedia (#261)

Library Changes

LibraryChange

Models Affected

Buildings_11Buildings.Applications.DataCenters.ChillerCooled.Examples.IntegratedPrimarySecondaryEconomizer (sim)Failed → Compile
Buildings_11Buildings.Applications.DataCenters.ChillerCooled.Examples.NonIntegratedPrimarySecondaryEconomizer (sim)Failed → Compile
Buildings_11Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case685 (sim)Compile → Failed
Buildings_11Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases9xx.Case900FF (sim)Verify → Failed
Buildings_11Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases9xx.Case940 (sim)Failed → Simulate
Buildings_11Buildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.OnlyExteriorWallWithWindowExteriorShade (sim)Failed → Verify
Buildings_11Buildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.OnlyExteriorWallWithWindowInteriorShade (sim)Compile performance 0:02:09 → 0:04:10
Buildings_11Buildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.SampledModel.OnlyExteriorWallWithWindowExteriorShade (sim)Failed → Verify
Buildings_11Buildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.SampledModel.OnlyExteriorWallWithWindowInteriorShade (sim)Verify → Failed
Buildings_11Buildings.ThermalZones.EnergyPlus_9_6_0.Examples.SmallOffice.ASHRAE2006Summer (sim)Compile → Failed
Buildings_12Buildings.Applications.DataCenters.ChillerCooled.Examples.IntegratedPrimarySecondaryEconomizer (sim)Failed → Compile
Buildings_12Buildings.ThermalZones.Detailed.Examples.FFD.Tutorial.MixedConvection (sim)Simulate performance 0.72 → 0:07:02
Buildings_12Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case600FF (sim)Failed → Verify
Buildings_12Buildings.ThermalZones.Detailed.Validation.BESTEST.Cases9xx.Case950 (sim)Compile → Failed
Buildings_12Buildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.OnlyExteriorWallWithWindow (sim)Verify → Failed
Buildings_12Buildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.OnlyExteriorWallWithWindowExteriorShade (sim)Compile performance 0:03:50 → 0:02:10
Buildings_12Buildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.SampledModel.OnlyExteriorWallWithWindow (sim)Verify → Failed
Buildings_12Buildings.ThermalZones.EnergyPlus_24_2_0.Examples.SmallOffice.ASHRAE2006Spring (sim)Compile → Failed
Buildings_latestBuildings.Applications.DataCenters.ChillerCooled.Examples.IntegratedPrimarySecondaryEconomizer (sim)Failed → Compile
Buildings_latestBuildings.DHC.Loads.BaseClasses.Examples.CouplingSpawnZ6 (sim)Failed → Compile
Buildings_latestBuildings.DHC.Loads.Combined.Examples.BuildingTimeSeriesWithETS (sim)Compile → Failed
Buildings_latestBuildings.Fluid.HeatExchangers.Validation.WetCoilEffectivenessNTUCounterFlow (sim)Verify → Failed
Buildings_latestBuildings.ThermalZones.Detailed.Examples.FFD.Tutorial.MixedConvection (sim)Simulate performance 0.73 → 0:14:02
Buildings_latestBuildings.ThermalZones.Detailed.Validation.BESTEST.Cases6xx.Case670 (sim)Simulate → Failed
Buildings_latestBuildings.ThermalZones.Detailed.Validation.BESTEST.Cases9xx.Case910 (sim)Failed → Simulate
Buildings_latestBuildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.OnlyExteriorWallWithWindowInteriorShade (sim)Failed → Verify
Buildings_latestBuildings.ThermalZones.Detailed.Validation.TestConditionalConstructions.SampledModel.OnlyExteriorWallWithWindowInteriorShade (sim)Verify → Failed
Buildings_latestBuildings.ThermalZones.EnergyPlus_24_2_0.Examples.SmallOffice.ASHRAE2006Spring (sim)Compile → Failed
ChemicalChemical.Obsolete.Examples.Hemoglobin.Joels57 (sim)Compile → Failed
Chemical_masterChemical.Obsolete.Examples.Hemoglobin.Joels57 (sim)Compile performance 0:07:29 → 0:04:01
ClaRaClaRa.Components.Furnace.Check.Test_burner_adiabatic_fuelDrying (sim)Failed → Verify
DynawoDynawo.Examples.Nordic.TestCases.TestCase (sim)FrontEnd → Failed
DynawoDynawo.Examples.RVS.TestCases.TestB.TestBSvcNoLoadReset (sim)
IDEASIDEAS.Buildings.Examples.ZoneCO2 (sim)Compile performance 0:03:37 → 0:01:44
IDEASIDEAS.Examples.Tutorial.Example10 (sim)Compile → Failed
IDEASIDEAS.Examples.Tutorial.Example6 (sim)Compile → Failed
IDEASIDEAS.Examples.Tutorial.Example8 (sim)Compile → Failed
IDEASIDEAS.Examples.Tutorial.Example9 (sim)Compile → Failed
IDEASIDEAS.Fluid.Geothermal.Borefields.Validation.ConstantHeatInjection_100Boreholes (sim)Failed → Compile
Modelica_3.2.3Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.BasicMachines.InductionMachines.IMC_Initialize (sim)Simulate → Compile
Modelica_3.2.3Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.BasicMachines.SynchronousMachines.SMEE_Generator (sim)Simulate performance 9.33 → 24.49
Modelica_3.2.3Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.BasicMachines.SynchronousMachines.SMR_CurrentSource (sim)Simulate performance 6.44 → 21.56
Modelica_3.2.3Modelica.Mechanics.MultiBody.Examples.Systems.RobotR3.fullRobot (sim)Simulate performance 34.12 → 3.61
Modelica_3.2.3Modelica.Mechanics.MultiBody.Examples.Systems.RobotR3.oneAxis (sim)Simulate performance 30.41 → 0.39
Modelica_4.1.0Modelica.Electrical.PowerConverters.Examples.ACDC.RectifierBridge2mPulse.ThyristorBridge2mPulse_DC_Drive (sim)Compile → Simulate
Modelica_4.1.0Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.BasicMachines.InductionMachines.IMC_Initialize (sim)Simulate → Compile
Modelica_4.1.0Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.BasicMachines.SynchronousMachines.SMEE_Generator (sim)Simulate performance 9.35 → 16.77
Modelica_4.1.0Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.BasicMachines.SynchronousMachines.SMPM_CurrentSource (sim)Simulate performance 6.40 → 17.21
Modelica_4.1.0Modelica.Magnetic.QuasiStatic.FundamentalWave.Examples.BasicMachines.SynchronousMachines.SMR_CurrentSource (sim)Simulate performance 6.12 → 11.68
Modelica_trunkModelica.Electrical.PowerConverters.Examples.ACDC.RectifierBridge2mPulse.ThyristorBridge2mPulse_DC_Drive (sim)Simulate → Compile
ScalableTestGrids_nooptScalableTestGrids.Models.Type2.Type2_tapEv___N_3_M_4 (sim)
ScalableTestSuiteScalableTestSuite.Electrical.BreakerCircuits.ScaledExperiments.BreakerNetwork_N_640_M_10 (sim)Failed → Verify
ScalableTestSuiteScalableTestSuite.Elementary.ParameterArrays.ScaledExperiments.Table_N_70_M_70 (sim)Compile performance 0:01:21 → 0:02:20
ScalableTestSuiteScalableTestSuite.Mechanical.FlexibleBeam.ScaledExperiments.FlexibleBeamModelica_N_32 (sim)Failed → Compile
ScalableTestSuiteScalableTestSuite.Thermal.DistrictHeating.ScaledExperiments.HeatingSystem_N_640 (sim)Compile → Failed
ScalableTestSuiteScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CocurrentHeatExchangerEquations_N_640 (sim)Compile performance 0:02:34 → 0:04:29