OpenModelica v1.27-fmi-fmpy from 2026-10-03 16:26:44 to 2026-10-10 18:43:16

Summary

OMC Commits	0
Libraries Changed	15
Number of Improvements	14
Number of Regressions	8
Number of Performance Improvements	6
Number of Performance Regressions	6

OpenModelica Changes

Commit	Date	Author	Summary

OpenModelicaLibraryTesting Changes

Commit	Date	Author	Summary
49e5639	2026-10-10 21:20:49 +0200	Francesco Casella	Reinstate --resizeableArrays in LargeTestSuite_NB (#371)
3d588a3	2026-10-09 17:45:40 +0200	Francesco Casella	Update heavy_tests.json (#370)

Library Changes

Library	Change
AixLib	From version 3.0.1 (e5df9a8da27833ee391c2f7a0adbcd80278f47d2) OMSimulator v3.0.0.post194-gcbbd533-linux to 3.0.1 (e5df9a8da27833ee391c2f7a0adbcd80278f47d2) OMSimulator v3.0.0.post199-gc0a5875-linux
BuildSysPro	From version 3.7.0 (7e8198a827d69e7127828bb09b07262ebcb621c9) OMSimulator v3.0.0.post194-gcbbd533-linux to 3.7.0 (7e8198a827d69e7127828bb09b07262ebcb621c9) OMSimulator v3.0.0.post199-gc0a5875-linux
Buildings_12	From version 12.1.2-maint.12.x (4aa975ce468b1e48991c07936945d19c72e6a849) OMSimulator v3.0.0.post194-gcbbd533-linux to 12.1.3-maint.12.x (5173c8be1a143096f36e4191613eb532f703b54c) OMSimulator v3.0.0.post199-gc0a5875-linux
Buildings_latest	From version 14.0.0-master (2c50d75defda845a270633a01f981d0cd3b2a63f) OMSimulator v3.0.0.post194-gcbbd533-linux to 14.1.0-master (b83b2278b31f61dac4ae8e55b7e9b48cd2b3e049) OMSimulator v3.0.0.post199-gc0a5875-linux
Dynawo_dev	From version 1.8.0-master (c511e4e7b461067d5f72b0c1229dcd8fc12458f4) OMSimulator v3.0.0.post194-gcbbd533-linux to 2.0.0-master (f76114f2a4bae3ac18646cc770c536432ae88848) OMSimulator v3.0.0.post199-gc0a5875-linux
IDEAS	From version 4.0.0 (24eea8ff8c67d1b32d53429eaaec9c6a3fbaac84) OMSimulator v3.0.0.post194-gcbbd533-linux to 4.0.0 (24eea8ff8c67d1b32d53429eaaec9c6a3fbaac84) OMSimulator v3.0.0.post199-gc0a5875-linux
IDEAS_dev	From version 4.0.0-master (3c12883555885bcd5f17979d9028eadf94b21d92) OMSimulator v3.0.0.post194-gcbbd533-linux to 4.0.0-master (3c12883555885bcd5f17979d9028eadf94b21d92) OMSimulator v3.0.0.post199-gc0a5875-linux
OpenIPSL	From version 3.1.0 (0ee96c3bcf71330916fbaba60a82eeaac5e1ffb5) OMSimulator v3.0.0.post194-gcbbd533-linux to 3.1.0 (0ee96c3bcf71330916fbaba60a82eeaac5e1ffb5) OMSimulator v3.0.0.post199-gc0a5875-linux
OpenIPSL_dev	From version 3.2.0-dev (b2f8e91383f601d2a98218df05a6339875504263) OMSimulator v3.0.0.post194-gcbbd533-linux to 3.2.0-dev (4df416b27860e1ae8c68c8602f3fb4fbe4c398b6) OMSimulator v3.0.0.post199-gc0a5875-linux
Physiolibrary	From version 3.0.0 (0ef8b5848b8bd08912a1713d0641b6bb03c3e3b2) OMSimulator v3.0.0.post194-gcbbd533-linux to 3.0.0 (0ef8b5848b8bd08912a1713d0641b6bb03c3e3b2) OMSimulator v3.0.0.post199-gc0a5875-linux
SOFCPoliMi	From version master (e059ad070d30e9d175fd853aedd372ba9b5efba1) OMSimulator v3.0.0.post194-gcbbd533-linux to master (e059ad070d30e9d175fd853aedd372ba9b5efba1) OMSimulator v3.0.0.post199-gc0a5875-linux
ScalableTestSuite	From version 2.2.0-master (13f3a73e31261d57d68e74259d699f7306a4a69f) OMSimulator v3.0.0.post194-gcbbd533-linux to 2.2.0-master (c9a7574b31142fa976d20ab6970d78639c125ceb) OMSimulator v3.0.0.post199-gc0a5875-linux
ScalableTestSuite_noopt	From version 2.2.0-master (13f3a73e31261d57d68e74259d699f7306a4a69f) OMSimulator v3.0.0.post194-gcbbd533-linux to 2.2.0-master (c9a7574b31142fa976d20ab6970d78639c125ceb) OMSimulator v3.0.0.post199-gc0a5875-linux
ThermofluidStream	From version 1.4.0 (0671da0a38d7e8afd920546d758f78011e540577) OMSimulator v3.0.0.post194-gcbbd533-linux to 1.4.0 (0671da0a38d7e8afd920546d758f78011e540577) OMSimulator v3.0.0.post199-gc0a5875-linux
ThermofluidStream_dev	From version 1.4.0-main (50a7ce5919ce360d8054773899683d1c2c27a8db) OMSimulator v3.0.0.post194-gcbbd533-linux to 1.4.0-main (50a7ce5919ce360d8054773899683d1c2c27a8db) OMSimulator v3.0.0.post199-gc0a5875-linux

Models Affected

AixLib	AixLib.Fluid.Geothermal.Aquifer.Validation.SimulationTest (sim)	Failed → Compile
AixLib	AixLib.Fluid.Geothermal.Borefields.Validation.ConstantHeatInjection_100Boreholes (sim)	SimCode performance 18.52 → 8.62
AixLib	AixLib.Systems.ModularAHU.Examples.DemandControlledAHU (sim)	BackEnd performance 8.24 → 14.84
AixLib	AixLib.ThermalZones.HighOrder.Examples.OFDHeatLoad (sim)	SimCode performance 30.67 → 58.65
AixLib	AixLib.ThermalZones.HighOrder.Examples.OFD_1Jan (sim)	SimCode performance 0:01:36 → 37.97
BuildSysPro	BuildSysPro.IBPSA.Fluid.Geothermal.Borefields.Validation.ConstantHeatInjection_100Boreholes (sim)
Buildings_12	Buildings.DHC.ETS.Combined.Subsystems.Validation.Borefield (sim)	SimCode performance 12.68 → 51.71
Buildings_latest	Buildings.DHC.Examples.Combined.ETSHeatRecoveryHeatPump_BuildingTimeSeries.WithDHW (sim)	SimCode → Failed
Buildings_latest	Buildings.DHC.Plants.Combined.Validation.AllElectricCWStorage (sim)	Failed → Compile
Dynawo_dev	Dynawo.Examples.GridCodeSimulations.RunSimulations (sim)	FrontEnd → Simulate
Dynawo_dev	Dynawo.Examples.GridCodeSimulations.SheetSimulations.SheetI10 (sim)	FrontEnd → Verify
Dynawo_dev	Dynawo.Examples.GridCodeSimulations.SheetSimulations.SheetI2Xcca (sim)	FrontEnd → Verify
Dynawo_dev	Dynawo.Examples.GridCodeSimulations.SheetSimulations.SheetI2Xccb (sim)	FrontEnd → Verify
Dynawo_dev	Dynawo.Examples.GridCodeSimulations.SheetSimulations.SheetI5 (sim)	FrontEnd → Verify
Dynawo_dev	Dynawo.Examples.GridCodeSimulations.SheetSimulations.SheetI6 (sim)	FrontEnd → Verify
Dynawo_dev	Dynawo.Examples.GridCodeSimulations.SheetSimulations.SheetI7QMax (sim)	FrontEnd → Verify
Dynawo_dev	Dynawo.Examples.GridCodeSimulations.SheetSimulations.SheetI7QMin (sim)	FrontEnd → Verify
Dynawo_dev	Dynawo.Examples.Photovoltaics.WECC.PVVoltageSourceNoPPC (sim)	Compile → Verify
Dynawo_dev	Dynawo.Examples.Wind.WECC.WTG4BCurrentSourceExternalPCS (sim)	Compile → Verify
IDEAS	IDEAS.Fluid.Geothermal.Aquifer.Validation.SimulationTest (sim)	Compile → Failed
IDEAS_dev	IDEAS.Fluid.Geothermal.Borefields.Validation.ConstantHeatInjection_100Boreholes (sim)	SimCode performance 9.61 → 21.53
OpenIPSL	OpenIPSL.Examples.TwoAreas.Two_Areas_PSAT (sim)	Simulate performance 10.84 → 3.11
OpenIPSL_dev	OpenIPSL.Examples.TwoAreas.Two_Areas_PSAT (sim)	Simulate performance 10.89 → 3.23
Physiolibrary	Physiolibrary.Organs.Lungs.Examples.MeanLungsTest (sim)	Compile → Failed
SOFCPoliMi	SOFCPoliMi.Tests.BenchmarkCammarata (sim)	SimCode performance 39.77 → 18.71
ScalableTestSuite	ScalableTestSuite.Thermal.Advection.ScaledExperiments.AdvectionReaction_N_6400 (sim)	Simulate → Compile
ScalableTestSuite	ScalableTestSuite.Thermal.Advection.ScaledExperiments.SimpleAdvection_N_3200 (sim)	Compile performance 0:01:52 → 0:03:17
ScalableTestSuite	ScalableTestSuite.Thermal.DistrictHeating.ScaledExperiments.HeatingSystem_N_640 (sim)	Simulate performance 4.59 → 10.10
ScalableTestSuite	ScalableTestSuite.Thermal.HeatExchanger.ScaledExperiments.CocurrentHeatExchangerEquations_N_1280 (sim)	Simulate → Compile
ScalableTestSuite_noopt	ScalableTestSuite.Electrical.DistributionSystemAC.ScaledExperiments.DistributionSystemLinearIndividual_N_20_M_20 (sim)	Compile performance 0:05:10 → 0:02:16
ScalableTestSuite_noopt	ScalableTestSuite.Elementary.SimpleODE.ScaledExperiments.CascadedFirstOrder_N_12800 (sim)	Compile → Simulate
ScalableTestSuite_noopt	ScalableTestSuite.Mechanical.HarmonicOscillator.ScaledExperiments.HarmonicOscillator_N_1600 (sim)	Simulate → Verify
ThermofluidStream	ThermofluidStream.Media.additionalMedia.Incompressible.Tests.TestLiqLoopJP8 (sim)	Verify → Simulate
ThermofluidStream_dev	ThermofluidStream.Media.additionalMedia.Incompressible.Tests.TestLiqLoopJP8 (sim)	Verify → Simulate
ThermofluidStream_dev	ThermofluidStream.Undirected.HeatExchangers.Tests.TestDiscretizedHEXvsDir (sim)	Simulate → Compile