OpenModelica cvode from 2026-05-16 05:10:06 to 2026-05-18 04:16:16

Summary

OMC Commits1
Libraries Changed0
Number of Improvements2
Number of Regressions2
Number of Performance Improvements7
Number of Performance Regressions10

OpenModelica Changes

CommitDateAuthorSummary
247a05a4652026-05-17 19:35:59 +0200Martin SjölundVariables not initialized in SBPW*.mo (#15572)

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

Models Affected

Buildings_11Buildings.ThermalZones.Detailed.Examples.FFD.Tutorial.MixedConvection (sim)Simulate performance 0:06:40 → 1.13
Buildings_12Buildings.DHC.Examples.Combined.SeriesConstantFlow (sim)Compile → Simulate
Buildings_latestBuildings.Fluid.Geothermal.ZonedBorefields.Validation.TransientBoreholeDynamics (sim)Simulate performance 0:01:07 → 0:02:01
Buildings_latestBuildings.ThermalZones.Detailed.Examples.FFD.Tutorial.MixedConvection (sim)Simulate performance 0:13:20 → 1.13
ClaRaClaRa.Examples.SteamCycle_01 (sim)
Modelica_DeviceDriversModelica_DeviceDrivers.Blocks.Examples.TestSerialPackager_UDPAutoBufferSize (sim)Simulate → Compile
Modelica_DeviceDriversModelica_DeviceDrivers.Blocks.Examples.TestSerialPackager_UDPWithoutReceiveThread (sim)Simulate → Compile
ScalableTestGrids_nooptScalableTestGrids.Models.Type1.Type1_N_8_M_4 (sim)Simulate performance 23.33 → 47.15
ScalableTestSuiteScalableTestSuite.Electrical.DistributionSystemAC.ScaledExperiments.DistributionSystemLinear_N_40_M_40 (sim)BackEnd performance 0:01:25 → 0:02:32
ScalableTestSuiteScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelicaActiveLoads_N_56_M_56 (sim)Templates performance 16.59 → 9.66 Simulate performance 11.94 → 5.64
ScalableTestSuiteScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelicaActiveLoads_N_80_M_80 (sim)Simulate performance 11.71 → 26.38
ScalableTestSuiteScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelicaIndividual_N_80_M_80 (sim)BackEnd performance 0:01:16 → 0:02:11 Simulate performance 5.39 → 12.67
ScalableTestSuiteScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelica_N_80_M_80 (sim)Simulate performance 5.35 → 12.08
ScalableTestSuiteScalableTestSuite.Elementary.WhenEvents.ScaledExperiments.ManyEventsManyConditions_N_2000_M_10 (sim)Simulate performance 23.89 → 7.87
ScalableTestSuiteScalableTestSuite.Elementary.WhenEvents.ScaledExperiments.ManyEvents_N_8000_M_10 (sim)Compile → Verify
ScalableTestSuite_nooptScalableTestSuite.Electrical.DistributionSystemAC.ScaledExperiments.DistributionSystemLinearIndividual_N_40_M_40 (sim)BackEnd performance 0:01:32 → 0:02:42
ScalableTestSuite_nooptScalableTestSuite.Electrical.DistributionSystemAC.ScaledExperiments.DistributionSystemLinear_N_40_M_40 (sim)Simulate performance 0:02:05 → 0:01:12
ScalableTestSuite_nooptScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelicaActiveLoads_N_80_M_80 (sim)Simulate performance 42.68 → 12.47
ScalableTestSuite_nooptScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelicaIndividual_N_80_M_80 (sim)Simulate performance 5.07 → 14.71
ScalableTestSuite_nooptScalableTestSuite.Elementary.WhenEvents.ScaledExperiments.ManyEventsManyConditions_N_2000_M_10 (sim)Simulate performance 21.30 → 37.35
ScalableTestSuite_nooptScalableTestSuite.Thermal.Advection.ScaledExperiments.AdvectionReaction_N_1600 (sim)Simulate performance 39.58 → 0:02:31
ScalableTestSuite_nooptScalableTestSuite.Thermal.Advection.ScaledExperiments.SimpleAdvection_N_1600 (sim)Simulate performance 16.94 → 8.95