OpenModelica master from 2026-08-14 00:42:39 to 2026-08-14 13:45:54

Summary

OMC Commits2
Libraries Changed0
Number of Improvements10
Number of Regressions27
Number of Performance Improvements2
Number of Performance Regressions6

OpenModelica Changes

CommitDateAuthorSummary
d05e9a4a712026-08-14 12:03:17 +0200Martin Sjölundwasm-jit: pre(x[i]) with a non-constant index (#16286)
d3e2cda4e52026-08-14 09:06:38 +0200Martin SjölundClear the phase clocks when a translation starts (#16284)

OpenModelicaLibraryTesting Changes

CommitDateAuthorSummary
c65d56a2026-08-14 08:44:36 +0200Martin SjölundAdd some MDD dependencies (#315)
2ee99a92026-08-13 18:23:01 +0200Martin SjölundInstall jinja2 in wasm-jit image for Buildings library (#314)

Library Changes

LibraryChange

Models Affected

AixLibAixLib.Airflow.FacadeVentilationUnit.Examples.FacadeVentilationUnit (sim)Compile performance 6.99 → 23.85
AixLibAixLib.Airflow.Multizone.Examples.CO2TransportStep (sim)Compile performance 3.73 → 20.75
AixLibAixLib.Airflow.Multizone.Examples.ChimneyShaftWithVolume (sim)Templates performance 0.07 → 10.78
AixLibAixLib.Controls.HVACAgentBasedControl.Examples.BookTrading.NetworkCommunication2 (sim)Simulate performance 0:08:00 → 0.15
Buildings_11Buildings.Utilities.IO.Python_3_8.Examples.KalmanFilter (sim)Templates → Verify
Buildings_11Buildings.Utilities.IO.Python_3_8.Examples.SimpleRoom (sim)Templates → Verify
Buildings_11Buildings.Utilities.IO.Python_3_8.Functions.Examples.Exchange (sim)Templates → Verify
Buildings_11Buildings.Utilities.IO.Python_3_8.Functions.Examples.ExchangeWithPassPythonObject (sim)Templates → Verify
Buildings_12Buildings.ThermalZones.Detailed.Examples.FFD.Tutorial.MixedConvection (sim)Simulate performance 0:06:40 → 0.27
Buildings_12Buildings.Utilities.IO.Python_3_8.Examples.KalmanFilter (sim)Templates → Verify
Buildings_12Buildings.Utilities.IO.Python_3_8.Examples.SimpleRoom (sim)Templates → Verify
Buildings_12Buildings.Utilities.IO.Python_3_8.Functions.Examples.Exchange (sim)Templates → Verify
Buildings_12Buildings.Utilities.IO.Python_3_8.Functions.Examples.ExchangeWithPassPythonObject (sim)Templates → Verify
ExternalMediaExternalMedia.Test.CoolProp.CO2.TestBasePropertiesDynamic (sim)Simulate → Failed
ExternalMediaExternalMedia.Test.CoolProp.CO2.TestBasePropertiesExplicit (sim)Simulate → Failed
ExternalMediaExternalMedia.Test.CoolProp.CO2.TestBasePropertiesImplicit (sim)Simulate → Failed
ExternalMediaExternalMedia.Test.CoolProp.CO2.TestBasePropertiesTranscritical (sim)Simulate → Failed
ExternalMediaExternalMedia.Test.CoolProp.CO2.TestStatesSatSubcritical (sim)Simulate → Templates
ExternalMediaExternalMedia.Test.CoolProp.CO2.TestStatesSupercritical (sim)Simulate → Templates
ExternalMediaExternalMedia.Test.CoolProp.CO2.TestStatesTranscritical (sim)Simulate → Templates
ExternalMediaExternalMedia.Test.CoolProp.CO2_Tabular.TestBasePropertiesDynamic (sim)Simulate → Failed
ExternalMediaExternalMedia.Test.CoolProp.CO2_Tabular.TestBasePropertiesExplicit (sim)Compile → Failed
ExternalMediaExternalMedia.Test.CoolProp.CO2_Tabular.TestBasePropertiesImplicit (sim)Simulate → Failed
ExternalMediaExternalMedia.Test.CoolProp.CO2_Tabular.TestBasePropertiesTranscritical (sim)Compile → Failed
ExternalMediaExternalMedia.Test.CoolProp.CO2_Tabular.TestStatesSatSubcritical (sim)Compile → Templates
ExternalMediaExternalMedia.Test.CoolProp.CO2_Tabular.TestStatesSupercritical (sim)Simulate → Templates
ExternalMediaExternalMedia.Test.CoolProp.CO2_Tabular.TestStatesTranscritical (sim)Compile → Templates
ExternalMediaExternalMedia.Test.CoolProp.Misc.RhoSmoothing (sim)Simulate → Templates
ExternalMediaExternalMedia.Test.CoolProp.Pentane.Pentane_hs (sim)Compile → Failed
ExternalMediaExternalMedia.Test.CoolProp.Pentane.Pentane_hs_state (sim)Simulate → Templates
ExternalMediaExternalMedia.Test.TestMedium.TestBasePropertiesDynamic (sim)Simulate → Failed
ExternalMediaExternalMedia.Test.TestMedium.TestBasePropertiesExplicit (sim)Simulate → Failed
ExternalMediaExternalMedia.Test.TestMedium.TestBasePropertiesImplicit (sim)Simulate → Failed
ExternalMediaExternalMedia.Test.TestMedium.TestConstants (sim)Simulate → Failed
ExternalMediaExternalMedia.Test.TestMedium.TestSat (sim)Simulate → Templates
ExternalMediaExternalMedia.Test.TestMedium.TestState (sim)Simulate → Templates
ExternalMediaExternalMedia.Test.TestMedium.TestStatesSat (sim)Simulate → Failed
KeyWordIOKeyWordIO.Examples.CaseExamples.ElectricalCases (sim)Templates → Simulate
Modelica_DeviceDriversModelica_DeviceDrivers.Blocks.Examples.TestSerialPackager_MQTT (sim)Simulate → Compile
Modelica_DeviceDriversModelica_DeviceDrivers.Blocks.Examples.TestSerialPackager_UDPAutoBufferSize (sim)Compile → Simulate
ScalableTestGrids_nooptScalableTestGrids.Models.Type1.Type1_N_3_M_4 (sim)FrontEnd performance 6.06 → 10.70
ScalableTestGrids_nooptScalableTestGrids.Models.Type1.Type1_N_8_M_4 (sim)Templates → Failed
ScalableTestGrids_nooptScalableTestGrids.Models.Type1.Type1_reduced_N_6_M_4 (sim)Simulate → Failed
ScalableTestSuite_nooptScalableTestSuite.Elementary.Tables.ScaledExperiments.CombiTimeTable_N_16000 (sim)Compile performance 12.36 → 24.91
ScalableTestSuite_nooptScalableTestSuite.Elementary.Tables.ScaledExperiments.TimeTable_N_16000 (sim)Compile performance 15.49 → 27.25