OpenModelica master from 2026-08-29 17:42:34 to 2026-08-30 18:46:42

Summary

OMC Commits9
Libraries Changed16
Number of Improvements3
Number of Regressions1
Number of Performance Improvements33
Number of Performance Regressions0

OpenModelica Changes

CommitDateAuthorSummary
47765422d62026-08-30 15:02:33 +0200Martin Sjölundwasm FMU: DAE-mode Model Exchange via fmi-ls-dae (#16504)
a7707fe8c92026-08-30 14:56:33 +0200Martin SjölundC+Rust: -l, -reconcile*, clocks and optimize() (#16505)
ef2a1f0ccb2026-08-30 12:31:21 +0200Martin SjölundRun Dynawo's models from a wasm FMU again (#16502)
eefb0121c32026-08-30 11:16:54 +0200kabdelhakNB: exclude mixed (discrete-coupled) loops from the direct linear solve (#16501)
a77ed2d6222026-08-30 09:32:42 +0200Martin SjölundC+Rust: close the runtime's testsuite gaps (#16500)
f4739cd4052026-08-30 08:49:36 +0200Martin SjölundSpeed up the Rust omc's compile pipeline (#16499)
189e14acdc2026-08-29 22:53:42 +0200Martin SjölundFMU documentation, and icons from base classes (#16498)
3bd4c124042026-08-29 21:06:56 +0200Martin SjölundC+Rust: serve algebraic systems, state selection (#16496)
e2e0b332932026-08-29 20:50:06 +0200Martin SjölundAdd cvode and ida to the FMI web ME solvers (#16497)

OpenModelicaLibraryTesting Changes

CommitDateAuthorSummary
b6bd4122026-08-30 14:23:02 +0200Martin Sjölundwasm-jit: run --daeMode models in DAE mode with the me runner (#344)
5bdabdf2026-08-30 10:51:41 +0200Martin SjölundCut the simulation timeout from 8 minutes to 4 (#343)

Library Changes

LibraryChange
AixLibConfiguration hash (OMC settings or the testing script changed)
BuildSysProConfiguration hash (OMC settings or the testing script changed)
BuildingSystemsConfiguration hash (OMC settings or the testing script changed)
Buildings_11Configuration hash (OMC settings or the testing script changed)
Buildings_latestConfiguration hash (OMC settings or the testing script changed)
Dynawo_devConfiguration hash (OMC settings or the testing script changed)
LEPSE_mainConfiguration hash (OMC settings or the testing script changed)
ModelicaTest_4.0.0Configuration hash (OMC settings or the testing script changed)
ModelicaTest_4.1.0Configuration hash (OMC settings or the testing script changed)
ModelicaTest_trunkConfiguration hash (OMC settings or the testing script changed)
OpenIMDML_mainConfiguration hash (OMC settings or the testing script changed)
PhysiolibraryConfiguration hash (OMC settings or the testing script changed)
ScalableTestGrids_nooptConfiguration hash (OMC settings or the testing script changed)
ScalableTestSuiteConfiguration hash (OMC settings or the testing script changed)
ScalableTestSuite_nooptConfiguration hash (OMC settings or the testing script changed)
ThermoSysProConfiguration hash (OMC settings or the testing script changed)

Models Affected

AixLibAixLib.Controls.HVACAgentBasedControl.Examples.BookTrading.NetworkCommunication1 (sim)Simulate performance 0:08:00 → 0:04:00
AixLibAixLib.Controls.HVACAgentBasedControl.Examples.BookTrading.NetworkCommunication2 (sim)Simulate performance 0:08:00 → 0:04:00
BuildSysProBuildSysPro.IBPSA.Fluid.Examples.FlowSystem.Simplified2 (sim)Simulate performance 0:08:00 → 0:04:00
BuildingSystemsBuildingSystems.Fluid.Examples.FlowSystem.Simplified2 (sim)Simulate performance 0:08:00 → 0:04:00
BuildingSystemsBuildingSystems.HAM.HeatAndMoistureTransport.Examples.HeatAndMoistureTransport3D (sim)Simulate performance 0:08:00 → 0:04:00
Buildings_11Buildings.DHC.ETS.Combined.Subsystems.Validation.Borefield (sim)Verify → Compile
Buildings_latestBuildings.DHC.Examples.Combined.SeriesVariableFlowAgentControl (sim)Simulate performance 0:08:44 → 0:04:00
Buildings_latestBuildings.DHC.Examples.Cooling.ElectricChillersDirectETS (sim)Simulate performance 0:13:20 → 0:04:00
Buildings_latestBuildings.Examples.DualFanDualDuct.ClosedLoop (sim)Simulate performance 0:13:20 → 0:06:30
Buildings_latestBuildings.Fluid.HydronicConfigurations.ActiveNetworks.Examples.DecouplingMixing (sim)Simulate performance 0:13:20 → 0:04:00
Dynawo_devDynawo.Examples.RVS.TestCases.LoadFlow (sim)Simulate performance 0:08:00 → 0:04:00
LEPSE_mainLEPSE.Examples.KKT_base (sim)Simulate performance 0:08:00 → 0:04:00
ModelicaTest_4.0.0ModelicaTest.Fluid.TestExamplesVariants.BranchingDynamicPipes_StandardWater (sim)Simulate performance 0:08:00 → 0:04:00
ModelicaTest_4.1.0ModelicaTest.Fluid.TestExamplesVariants.BranchingDynamicPipes_StandardWater (sim)Simulate performance 0:08:00 → 0:04:00
ModelicaTest_trunkModelicaTest.Fluid.TestExamplesVariants.BranchingDynamicPipes_StandardWater (sim)Simulate performance 0:08:00 → 0:04:00
OpenIMDML_mainOpenIMDML.Examples.MultiDomainExamples.MultiDomainThreePhaseInductionMotors.MultiDomainThreePhaseMotorVSDStartup.MultiDomainMotorCIMStartUpComparison (sim)Simulate performance 0:08:00 → 0:04:00
PhysiolibraryPhysiolibrary.Organs.Lungs.Examples.MeanLungsTest (sim)Simulate performance 0:08:00 → 0:04:00
ScalableTestGrids_nooptScalableTestGrids.Models.Type1.Type1_N_8_M_4 (sim)Failed → Templates
ScalableTestSuiteScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelicaActiveLoads_N_28_M_28 (sim)BackEnd performance 12.46 → 7.10
ScalableTestSuiteScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelicaActiveLoads_N_56_M_56 (sim)FrontEnd performance 12.13 → 6.97
ScalableTestSuiteScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelicaActiveLoads_N_80_M_80 (sim)Simulate performance 36.76 → 21.28
ScalableTestSuiteScalableTestSuite.Elementary.SimpleODE.ScaledExperiments.CascadedFirstOrder_N_25600 (sim)BackEnd performance 39.92 → 23.18 Simulate performance 53.65 → 22.33
ScalableTestSuiteScalableTestSuite.Elementary.WhenEvents.ScaledExperiments.ManyEventsManyConditions_N_4000_M_10 (sim)BackEnd performance 32.80 → 18.40
ScalableTestSuiteScalableTestSuite.Elementary.WhenEvents.ScaledExperiments.ManyEvents_N_1000_M_1000 (sim)Simulate performance 0:01:19 → 31.38
ScalableTestSuiteScalableTestSuite.Thermal.Advection.ScaledExperiments.AdvectionReaction_N_12800 (sim)BackEnd performance 20.84 → 11.14
ScalableTestSuiteScalableTestSuite.Thermal.Advection.ScaledExperiments.SteamPipe_N_1280 (sim)Failed → Verify
ScalableTestSuite_nooptScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelicaIndividual_N_40_M_40 (sim)FrontEnd performance 12.87 → 7.35
ScalableTestSuite_nooptScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelica_N_28_M_28 (sim)BackEnd performance 13.41 → 7.45
ScalableTestSuite_nooptScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelica_N_56_M_56 (sim)FrontEnd performance 14.39 → 7.80
ScalableTestSuite_nooptScalableTestSuite.Thermal.Advection.ScaledExperiments.AdvectionReaction_N_12800 (sim)BackEnd performance 22.18 → 11.72
ScalableTestSuite_nooptScalableTestSuite.Thermal.Advection.ScaledExperiments.SimpleAdvection_N_12800 (sim)Templates performance 11.78 → 6.36 Simulate performance 30.91 → 8.65
ScalableTestSuite_nooptScalableTestSuite.Thermal.Advection.ScaledExperiments.SteamPipe_N_1280 (sim)Failed → Verify
ThermoSysProThermoSysPro.Examples.Book.PowerPlants.CombinedCyclePowerPlant.GasTurbineTrip (sim)Simulate performance 0:08:00 → 0:04:00
ThermoSysProThermoSysPro.Fluid.Examples.Book.PowerPlants.CombinedCyclePowerPlant.GasTurbineTrip (sim)Simulate performance 0:08:00 → 0:04:00
ThermoSysProThermoSysPro.Fluid.Examples.Book.SimpleExamples.HeatExchanger.DynamicWaterHeater.Islanding (sim)Simulate performance 0:07:51 → 0:04:00
ThermoSysProThermoSysPro.Fluid.Examples.Book.SimpleExamples.HeatExchanger.DynamicWaterHeater.NegativeFlow (sim)Simulate performance 0:08:00 → 0:04:00
ThermoSysProThermoSysPro.Fluid.Examples.Book.SimpleExamples.HeatExchanger.DynamicWaterHeater.ZeroFlow (sim)Simulate performance 0:07:54 → 0:04:00