OpenModelica master from 2026-09-09 17:54:57 to 2026-09-10 07:35:26

Summary

OMC Commits7
Libraries Changed1
Number of Improvements1
Number of Regressions2
Number of Performance Improvements3
Number of Performance Regressions3

OpenModelica Changes

CommitDateAuthorSummary
8a26bab9fe2026-09-10 01:14:53 +0200Adrian Pop[Runtime] Set OMP_NUM_THREADS too when omc runs with -n=1 (#16638) (#16655)
8b54ca5e032026-09-10 00:25:13 +0200Adrian Pop[Runtime] Load LAPACK on demand on Windows (#16638) (#16640)
f5a1be72212026-09-09 19:37:39 +0200Martin Sjölundmmtorust: borrow referenceEq operands
912ee500fc2026-09-09 19:37:39 +0200Martin SjölundBackend: memoise adjacency if-condition simplify
09552380b42026-09-09 19:36:58 +0200Martin SjölundList: append copies once, listAppend splices
75e5a9a67f2026-09-09 19:36:58 +0200Martin SjölundRust omc: mimalloc without the aligned path
94185df6b62026-09-09 19:59:13 +0200AndreasFix errors users guide (#16641)

OpenModelicaLibraryTesting Changes

CommitDateAuthorSummary
69f086e2026-09-10 10:45:36 +0200Martin SjölundGive ThermoSysPro LoadVariation 360s to simulate
72e17dd2026-09-09 16:57:33 +0200Martin Sjölundwasm-jit me runner: the model's own solver

Library Changes

LibraryChange
Modelica_trunkFrom version trunk (d5d8f349a5776fb074c99047ddd9c26b9752668c) to trunk (ea4563071217878268cf4b57b4f86c01a096b3e0)

Models Affected

Buildings_11Buildings.DHC.Examples.Combined.SeriesVariableFlowAgentControl (sim)BackEnd performance 17.21 → 8.64 Templates performance 10.88 → 4.61
Buildings_11Buildings.ThermalZones.EnergyPlus_9_6_0.Examples.SmallOffice.Guideline36Spring (sim)BackEnd performance 15.09 → 8.50
Buildings_latestBuildings.DHC.Examples.Combined.SeriesVariableFlow (sim)Verify → Compile
Modelica_DeviceDriversModelica_DeviceDrivers.Blocks.Examples.TestSerialPackager_UDPAutoBufferSize (sim)Simulate → Compile
Modelica_trunkModelica.Magnetic.QuasiStatic.FundamentalWave.Examples.BasicMachines.InductionMachines.IMC_YD (sim)Simulate → Verify
ScalableTestSuiteScalableTestSuite.Thermal.Advection.ScaledExperiments.SimpleAdvection_N_12800 (sim)Simulate performance 27.36 → 12.41
ScalableTestSuite_nooptScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelicaActiveLoads_N_80_M_80 (sim)Simulate performance 13.66 → 28.05
ScalableTestSuite_nooptScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelica_N_80_M_80 (sim)Simulate performance 6.06 → 12.31
ScalableTestSuite_nooptScalableTestSuite.Thermal.Advection.ScaledExperiments.SimpleAdvection_N_12800 (sim)Simulate performance 9.91 → 18.06