OpenModelica cpp from 2026-05-18 22:33:29 to 2026-05-18 23:43:07

Summary

OMC Commits2
Libraries Changed1
Number of Improvements7
Number of Regressions1
Number of Performance Improvements6
Number of Performance Regressions3

OpenModelica Changes

CommitDateAuthorSummary
2f2d61f4e02026-05-18 23:27:58 +0200Per ÖstlundImprove retyping of empty arrays (#15578)
517cd4caef2026-05-18 23:14:06 +0200Martin SjölundRemove some unused parts of the patterns in List.allCombinations* (#15577)

OpenModelicaLibraryTesting Changes

CommitDateAuthorSummary
1dd4db72026-04-19 14:25:16 +0200Adrian Popforce fetch of tags to handle the floating tag 'nightly' (#285)
e83c3f42026-04-14 08:15:53 +0200Adrian Popcannot run python -m fmpy via check_output_log (#284)

Library Changes

LibraryChange
Buildings_latestConfiguration hash (OMC settings or the testing script changed)

Models Affected

AixLibAixLib.Systems.ModularAHU.Examples.EONERC_AHU2 (sim)Templates performance 47.51 → 18.71
Buildings_11Buildings.DHC.Examples.Cooling.ElectricChillersDirectETS (sim)Templates performance 22.23 → 12.89
Buildings_11Buildings.ThermalZones.EnergyPlus_9_6_0.Examples.SmallOffice.Guideline36Spring (sim)Templates performance 37.20 → 21.08
Buildings_12Buildings.ThermalZones.EnergyPlus_24_2_0.Examples.SmallOffice.ASHRAE2006Summer (sim)Templates performance 10.14 → 17.66
Buildings_latestBuildings.Airflow.Multizone.Examples.TrickleVent (sim)Simulate → Verify
Buildings_latestBuildings.BoundaryConditions.WeatherData.Validation.ReaderTMY3WindDirection (sim)Simulate → Verify
Buildings_latestBuildings.DHC.Examples.Combined.SeriesVariableFlow (sim)Templates → Compile
Buildings_latestBuildings.Fluid.Sources.Examples.Outside_CpData_Angles (sim)Simulate → Verify
IBPSA_latestIBPSA.Fluid.Movers.Validation.ComparePowerHydraulic (sim)Compile performance 27.75 → 15.43
OpenIPSL_devOpenIPSL.Examples.DAEMode.N44_Base_Case_Systems.Nordic44_Base_Case_StateEvents3 (sim)
OpenIPSL_devOpenIPSL.Examples.N44.Base_Case.Nordic44_Base_Case (sim)
ScalableTestGrids_nooptScalableTestGrids.Models.Type1.Type1_N_8_M_4 (sim)SimCode → FrontEnd
ScalableTestSuiteScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelicaActiveLoads_N_320_M_5 (sim)Templates → Verify
ScalableTestSuiteScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelicaIndividual_N_80_M_80 (sim)BackEnd performance 0:02:40 → 0:01:31
ScalableTestSuiteScalableTestSuite.Electrical.TransmissionLine.ScaledExperiments.TransmissionLineEquations_N_640 (sim)Simulate performance 18.39 → 8.56
ScalableTestSuite_nooptScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelicaActiveLoads_N_320_M_5 (sim)Templates → Verify
ScalableTestSuite_nooptScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelica_N_14_M_14 (sim)Compile performance 17.73 → 34.51
ScalableTestSuite_nooptScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelica_N_80_M_80 (sim)FrontEnd performance 9.99 → 17.26
ScalableTestSuite_nooptScalableTestSuite.Thermal.Advection.ScaledExperiments.SteamPipe_N_640 (sim)Failed → Simulate