OpenModelica master-fmi-fmpy from 2026-07-28 12:46:55 to 2026-07-30 12:44:58

Summary

OMC Commits7
Libraries Changed1
Number of Improvements2
Number of Regressions3
Number of Performance Improvements7
Number of Performance Regressions7

OpenModelica Changes

CommitDateAuthorSummary
6a7e6e45c92026-07-30 12:09:20 +0200AndreasUpdating OMSimulator submodule (#16146)
b812728ba62026-07-29 21:57:40 +0200Martin Sjölundwasm-jit: port C's NLS guess history, fix flags (#16145)
09a7433ce02026-07-29 19:37:04 +0200Martin Sjölundwasm-jit: run C's NLS_MIXED ladder, fix ext-C link (#16144)
d570fdfa1b2026-07-29 18:08:48 +0200Martin Sjölundwasm-jit: remove per-evaluation call overhead (#16143)
96501b21652026-07-29 14:11:06 +0200Martin Sjölundwasm-jit: make KINSOL reachable, fix string alloc (#16141)
d8b48a24f42026-07-29 13:03:42 +0200kabdelhak[NB] add record alias (#16140)
90bffae80a2026-07-29 08:24:43 +0200Martin SjölundRust: Move wasi-libc, SuiteSparse, and SUNDIALS builds to CMake(#16139)

OpenModelicaLibraryTesting Changes

CommitDateAuthorSummary
6697fc02026-07-06 18:25:17 +0200linuslangenkamp[GBODE] set Radau IIA 3-stage, remove embedded error estimate (#288)
d357aff2026-06-12 13:26:07 +0200AndreasFix OMSimulator submodule update when directory layout changes (#287)

Library Changes

LibraryChange
Buildings_latestFrom version 14.0.0-master (https://github.com/lbl-srg/modelica-buildings/archive/c4117ccec1f288ee6bc7f0ee0cb40a45d6940b0c.zip) FMPy version 0.3.29 to 14.0.0-master (https://github.com/lbl-srg/modelica-buildings/archive/0c943b1f8058eff51673489dac75b4e619c4d5bd.zip) FMPy version 0.3.29

Models Affected

AixLibAixLib.Fluid.Geothermal.Borefields.Validation.ConstantHeatInjection_100Boreholes (sim)SimCode performance 9.29 → 20.06
AixLibAixLib.Systems.ModularAHU.Validation.AHU2_Preheater (sim)Failed → Simulate
AixLibAixLib.ThermalZones.HighOrder.Examples.OFDHeatLoad (sim)SimCode performance 23.30 → 0:01:01
BuildSysProBuildSysPro.IBPSA.Fluid.Geothermal.Borefields.Examples.Borefields (sim)
Buildings_11Buildings.DHC.ETS.Combined.Subsystems.Validation.Borefield (sim)SimCode performance 43.27 → 25.06
Buildings_11Buildings.Fluid.Geothermal.Borefields.Validation.ConstantHeatInjection_100Boreholes (sim)SimCode performance 21.41 → 9.27
Buildings_11Buildings.ThermalZones.Detailed.Examples.FFD.Tutorial.MixedConvection (sim)Simulate performance 0:07:02 → 1.22
Buildings_latestBuildings.Air.Systems.SingleZone.VAV.Examples.ChillerDXHeatingEconomizer (sim)SimCode performance 8.54 → 16.16
Buildings_latestBuildings.Fluid.Geothermal.Borefields.BaseClasses.Boreholes.Examples.BoreholeDynamics (sim)Failed → Verify
ElectricalEnergyStorageElectricalEnergyStorage.Examples.SimpleStackCycling (sim)SimCode performance 4.18 → 17.72
IBPSA_latestIBPSA.Fluid.Geothermal.Borefields.Validation.ConstantHeatInjection_100Boreholes (sim)SimCode performance 18.58 → 7.43
IDEASIDEAS.Fluid.Geothermal.Borefields.Validation.ConstantHeatInjection_100Boreholes (sim)SimCode performance 12.66 → 22.64
SOFCPoliMiSOFCPoliMi.Tests.BenchmarkLinConcLossesHigherCurrent (sim)Compile → Failed
ScalableTestSuiteScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelicaActiveLoads_N_28_M_28 (sim)Verify → Failed
ScalableTestSuiteScalableTestSuite.Thermal.Advection.ScaledExperiments.SteamPipe_N_160 (sim)Compile performance 0:01:00 → 34.63
ScalableTestSuite_nooptScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelica_N_112_M_112 (sim)Verify → Failed
ScalableTestSuite_nooptScalableTestSuite.Elementary.SimpleODE.ScaledExperiments.CascadedFirstOrder_N_25600 (sim)Simulate performance 27.79 → 14.88
ScalableTestSuite_nooptScalableTestSuite.Thermal.Advection.ScaledExperiments.SimpleAdvection_N_12800 (sim)Simulate performance 16.30 → 7.07
ThermofluidStreamThermofluidStream.HeatExchangers.Tests.FlowRes (sim)Compile performance 0:01:24 → 0:02:23
ThermofluidStreamThermofluidStream.HeatExchangers.Tests.Recuperator (sim)Compile performance 25.16 → 43.38