OpenModelica newInst-daeMode from 2026-09-05 04:46:34 to 2026-09-11 09:45:16

Summary

OMC Commits108
Libraries Changed13
Number of Improvements12
Number of Regressions4
Number of Performance Improvements15
Number of Performance Regressions4

OpenModelica Changes

CommitDateAuthorSummary
bda52fd4ff2026-09-11 08:34:45 +0200Adeel AsgharRecent models without file path (#16672)
73105215432026-09-10 19:50:13 +0200Martin SjölundMove to Qt 6.11.2 with the build-deps images
ea30c261d12026-09-10 18:25:45 +0200Martin SjölundUse the per-target Qt images in CI
c4db27b31b2026-09-10 17:50:26 +0200Martin SjölundBuild Boost from source for the cross builds
3ac43ddb042026-09-10 16:58:30 +0200Martin Sjölundcompliance: run on the Rust omc + wasm-jit (#16669)
a8249b71092026-09-10 16:08:31 +0200Martin SjölundFMU-only phase clocks; drop two redundant passes (#16662)
734b17e98b2026-09-10 16:02:32 +0200AndreasUser's Guide CMake build (#16664)
e6855cf5852026-09-10 14:35:48 +0200Martin SjölundSimRt: Fix leaks when a process runs many sims (#16665)
2c816db0aa2026-09-10 14:18:02 +0200Martin SjölundFix and publish the nightly Rust cross builds (#16659)
3745d082d62026-09-10 12:54:27 +0200Iago CupeiroFree model data arrays in fmi2FreeInstance (#16439)
8894a2011c2026-09-10 12:48:28 +0200Adeel AsgharAdd `eV` unit to unit parser (#16639)
ce2f0467482026-09-10 12:34:12 +0200Adeel AsgharPreserve Element Browser tree expansion state on model updates (#16660)
44c76957a42026-09-10 12:12:49 +0200Julien SchuellerSimRt: Free hash tables in simulation_input_xml (#16086)
093c4c497c2026-09-09 17:54:13 +0200Martin SjölundFMI ME master: check the indicators at every step
56ae054cef2026-09-09 17:10:21 +0200Martin Sjölundwasm artifact: a bare fmi3:me takes the model's solver
fb9a8983882026-09-09 17:10:21 +0200Martin SjölundFMI ME master: KLU for IDA over the ODE pattern
9c269a6ad42026-09-09 16:04:51 +0200Martin SjölundFMI ME master: log its events under LOG_EVENTS
9c15154d922026-09-09 16:04:50 +0200Martin Sjölundwasm FMU CS: statistics under LOG_STATS
68c6b72f252026-09-09 16:04:50 +0200Martin Sjölundwasm FMU: the DAE switch of a residual-free model
4b63e609de2026-09-09 16:04:50 +0200Martin SjölundFMU: hold an assert the event update raises
12de3012292026-09-09 16:04:50 +0200Martin Sjölundwasm FMU CS: retry a failed step as C does
33fa0f496b2026-09-09 16:04:50 +0200Martin Sjölundwasm FMU: name the value reference a call refuses
57a1e549a42026-09-09 16:04:50 +0200Martin Sjölundwasm FMU: borrow the metadata per call
b012f394b32026-09-09 16:04:49 +0200Martin Sjölundwasm-jit: String[] outputs of shared externals
a86c50a89f2026-09-10 11:18:01 +0200Martin Sjölundwasm-jit: compare extobj record arguments (#16658)
79bfa0db0e2026-09-10 09:33:13 +0200Adeel AsgharFix display unit combobox editor issues in Variable browser (#16643)
01fae053f12026-09-10 09:31:51 +0200Martin SjölundCross-compile omc to macOS; nightly Win/mac CI (#16657)
b78a5ffde92026-09-10 09:28:36 +0200Martin SjölundBuild wasm-bindgen instead of installing it (#16656)
9ca2a87ea12026-09-10 07:33:18 +0200Martin SjölundOpen and save Modelica packages from cloud storage (#16538)
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)
a0210d3f642026-09-09 14:45:40 +0200Martin SjölundResult crates: make the comparison reusable (#16645)
2aa04dff792026-09-09 11:58:25 +0200Martin SjölundCopy omc_result.dll next to the bootstrapped omc (#16636)
5e7a42d0bd2026-09-09 10:03:40 +0200AndreasCMake omlibrary target (#16627)
f439aa32412026-09-08 23:00:46 +0200Martin SjölundNB: causalize init_0 from init's matrices
7e45fdbc922026-09-08 23:19:49 +0200Martin SjölundTpl: borrow tokens at render instead of locking
91831ff9082026-09-08 23:19:35 +0200Martin Sjölundmmtorust: stop cloning match-arm bindings
1c0590afe92026-09-08 19:39:33 +0200Martin SjölundNB sorting: merge rows without a hash set
1f863f9c892026-09-08 19:39:33 +0200Martin SjölundNB: no ODE_EVT partition jacobian in DAE mode
72bb6c0e4c2026-09-08 19:55:28 +0200AndreasReactivate omcCAPI on Windows (#16491)
b2b6fb4a742026-09-08 19:53:22 +0200Martin Sjölundmmtorust: plain `let` for sole-record patterns on Arcs (#16629)
06be6da7c62026-09-08 18:04:13 +0200Martin Sjölundmmtorust: sole-record `:=` patterns are irrefutable (#16624)
003ddf064c2026-09-08 17:53:14 +0200Julien SchuellerSimRT/C: Mismatching clang flags (#16297)
85a55e39212026-09-08 14:35:46 +0200Martin SjölundRust runtime: platform libm under std
4039915c122026-09-08 14:35:46 +0200Martin SjölundDriver: DASKR root is an event only on sign change
1b9e153f312026-09-08 14:35:46 +0200Martin SjölundDriver: root probes must not touch assert window
a41514d6f82026-09-08 17:15:44 +0200Per ÖstlundFix Expression.containsIterator (#16621)
f953286e9f2026-09-08 16:58:11 +0200AndreasFix CMake warnings Windows FMUs (#16352)
d425cc1c022026-09-08 15:26:25 +0200Per ÖstlundCheck spatialDistribution rules (#16613)
d492ce81f62026-09-08 12:59:16 +0200Martin SjölundC+Rust: store pre values after functionAlgebraics (#16619)
5aa7d5cf082026-09-08 12:21:10 +0200Martin Sjölundwasm-jit codegen: split the two 12k-line files (#16617)
8d3ca3e2932026-09-08 10:44:13 +0200AndreasDefault the Rust result readers/writers to whether cargo is found (#16610)
68936b099c2026-09-08 10:41:41 +0200Martin Sjölundmmtorust: rewrite matchcontinue that are match (#16618)
a96986d8a12026-09-08 08:55:25 +0200Martin Sjölundwasm-jit: discrete NLS unknowns, ext objects, $pDER (#16615)
254218f3cd2026-09-08 08:36:00 +0200Martin SjölundTpl: hand-written Rust text engine (#16616)
6a7b108fff2026-09-07 22:32:42 +0200Martin SjölundFMU: terminate() at initialization ends the run (#16614)
69ffe690972026-09-07 19:25:35 +0200Martin SjölundDocument the Rust toolchain build dependency (#16611)
1438100a082026-09-07 18:25:33 +0200fbrandt[C] Refactor Jacobian handling: unify evaluation calls (#16451)
64e0c284972026-09-07 17:46:39 +0200AndreasRemove corba (#16475)
01fbcd10412026-09-07 17:31:15 +0200Adeel AsgharAvoid unnecessary OMEdit recompilation (#16609)
f5d246d7232026-09-07 10:25:08 +0200Martin SjölundC+Rust: keep String variables alive and store their pre values
8e4aeb32462026-09-07 10:25:08 +0200Martin SjölundC+Rust: stream the result file like the other hosts
c7481603df2026-09-07 10:25:08 +0200Martin SjölundC+Rust: serve sparse linear systems with KLU
45f9b1cc862026-09-07 14:08:27 +0200Martin SjölundNB: cut SimCode scalarization allocations (#16591)
6a697f52362026-09-07 12:54:06 +0200Martin SjölundFMI driver: zstd on the streamed FileMeta (#16608)
956aadd1362026-09-07 12:07:01 +0200Martin SjölundList: Nil as a null handle, in-place listReverse (#16604)
3f2118f0ff2026-09-07 11:26:34 +0200Martin SjölundPort the .arrow result format to arrow.modelica (#16605)
623126f4792026-09-06 23:27:24 +0200Martin SjölundFMU: log a held assert once, not per evaluation
71d0335be12026-09-06 23:26:58 +0200Martin Sjölundwasm-jit: a function's assert ignores the window
7682db8ad22026-09-06 20:47:42 +0200Martin SjölundFMU: fire the clock timers before the event
54572020632026-09-06 20:47:41 +0200Martin SjölundFMU: hold a violated assert for the event
b899092ae72026-09-06 20:47:40 +0200Martin Sjölundwasm FMU: construct external objects once per init
d605033ffa2026-09-06 20:47:40 +0200Martin Sjölundwasm-jit: format ModelicaFormat* with the guest's libc
d0e8ec89c42026-09-06 20:47:40 +0200Martin Sjölundwasm FMU: report ModelicaError through the FMU
8d9c2706ad2026-09-06 20:47:39 +0200Martin SjölundFMI masters: stream the result rows to the file
3f0aecb48c2026-09-06 20:47:39 +0200Martin Sjölundwasm-jit: per-store host state, not thread-locals
1d470bdbc62026-09-06 22:53:03 +0200Martin SjölundgetVar: a fully indexed scalar cref fails fast (#16603)
5a3f3d6cd82026-09-06 21:41:26 +0200Martin Sjölundwasm FMU: serve FORTRAN 77 externals natively
ab047f1dc72026-09-06 21:41:26 +0200Martin Sjölundwasm-jit: -noemit means no file, whatever the name
e85d25c7442026-09-06 21:41:26 +0200Martin Sjölundwasm artifact: keep a failed run's output
3998b1f8b82026-09-06 19:34:41 +0200Martin SjölundDo not hard-require QtHttpServer or a qt5 qmake (#16600)
5983066abc2026-09-06 17:31:40 +0200Martin SjölundMeasure five result formats, and reshape arrow (#16599)
2d1aacfd142026-09-06 11:51:12 +0200Martin SjölundHash Integers with a builtin, not a 31-bit mask (#16598)
8ec3a31a9e2026-09-06 09:00:43 +0200Martin SjölundWrite .arrow result files from the web pages (#16595)
0f5042a75c2026-09-06 08:45:10 +0200Martin SjölundArrow: slim the result variable table (#16596)
d04e9e9f2b2026-09-06 07:49:56 +0200Martin Sjölundwasm-jit: a model throw in ida_jac is recoverable (#16594)
989bb321a92026-09-05 23:32:06 +0200Martin Sjölundwasm-jit: take the math builtins from the host (#16593)
40152c0fb12026-09-05 21:09:15 +0200Martin SjölundUpdate fmi-ls-dae to its 1.0.0-alpha.1 draft (#16592)
93920a23e12026-09-05 20:10:08 +0200Martin Sjölundwasm FMU DAE mode, and the gaps it exposed (#16590)
02a30e519f2026-09-05 18:38:31 +0200Martin SjölundKey the runtime's per-system tables by system (#16589)
555e40ee772026-09-05 17:23:35 +0200Martin SjölundNB: cut SimCode allocations, dedupe upgrade rows (#16588)
09324d0e382026-09-05 08:20:41 +0200Martin SjölundBound resizable Jacobian columns from below too
3b0041ba992026-09-04 11:49:55 +0200Martin SjölundArrow result files, shared readers and writers
044242ca4a2026-09-05 02:12:13 +0200Martin SjölundRust: add the two new Vector functions
75c2c2663c2026-09-05 01:27:32 +0200Martin SjölundNB: skip the negated pass of a transpose
11dffd2a0a2026-09-05 00:46:20 +0200Martin SjölundNB: convert a SimVar's name only once
6181a42fa12026-09-05 00:23:19 +0200Martin SjölundNB: do not build a closure per SimVar attribute
f9cd379b0f2026-09-04 23:46:58 +0200Martin SjölundNF: cache the partial DAE type of a class
1d7027d04a2026-09-04 22:36:20 +0200Martin SjölundNB: store the adjacency matrix flat
1ac9e85c0b2026-09-05 01:09:38 +0200Martin SjölundIndex the per-system statistics table
94a4a664f92026-09-04 23:42:36 +0200Martin SjölundClock functionZeroCrossings in LOG_STATS_V
4d6977f68d2026-09-04 23:37:23 +0200Martin SjölundRestart hybrd from nlsxOld, not the slots
773cee0b822026-09-04 22:46:07 +0200Martin SjölundKeep hybrd's x-scaling flag across NLS solves

OpenModelicaLibraryTesting Changes

CommitDateAuthorSummary
8390bd52026-09-11 10:00:05 +0200Martin SjölundSplit wasm-jit into a sim job and a wasm-fmu job
69f086e2026-09-10 10:45:36 +0200Martin SjölundGive ThermoSysPro LoadVariation 360s to simulate

Library Changes

LibraryChange
AdvancedNoiseConfiguration hash (OMC settings or the testing script changed)
AixLibConfiguration hash (OMC settings or the testing script changed)
Buildings_11From version 11.1.2-maint.11.x (266c975c250742658e867a8187ae52786cf1faee) to 11.1.2-maint.11.x (27fee964af593be6026d2de4d6975be02d810490)
Buildings_12From version 12.1.2-maint.12.x (4e96182ec2ce24ea97d8d5b345603ad26760fe60) to 12.1.2-maint.12.x (9bf3f0fc152bd0efe86049f7ebf4c871d8f30775)
Chemical_masterConfiguration hash (OMC settings or the testing script changed)
Dynawo_devFrom version 1.8.0-master (62d451ac55da8dd6c0331d1a44afa67cb0ac79ed) to 1.8.0-master (af64b9ec47e44cfbc23163b777493a06aca9ef8f)
KeyWordIOConfiguration hash (OMC settings or the testing script changed)
Modelica_3.2.3From version 3.2.3+maint.om (efd981a1176f124938d6d6759f7c09e0fbf55ddf) to 3.2.3+maint.om (cf92afa70b1402a3d591ce8fe183043966e7bf42)
Modelica_DeviceDriversConfiguration hash (OMC settings or the testing script changed)
Modelica_trunkFrom version trunk (dca7ebccce0d491dd8602af939ccba11c74a32ed) to trunk (8ee553049a567efb375b80e6b0bad7363c427300)
ScalableTestGrids_nooptConfiguration hash (OMC settings or the testing script changed)
ScalableTestSuiteConfiguration hash (OMC settings or the testing script changed)
ScalableTestSuite_nooptConfiguration hash (OMC settings or the testing script changed)

Models Affected

AdvancedNoiseAdvancedNoise.Examples.SignalBasedCorrelations (sim)Simulate → Compile
AixLibAixLib.Controls.HVACAgentBasedControl.Examples.BookTrading.BookTrading (sim)Compile → Simulate
AixLibAixLib.Controls.HVACAgentBasedControl.Examples.BookTrading.NetworkCommunication2 (sim)Simulate performance 0:04:00 → 0.11
Buildings_11Buildings.DHC.Examples.Combined.SeriesConstantFlow (sim)Templates performance 5.39 → 12.75
Buildings_11Buildings.ThermalZones.Detailed.Examples.FFD.Tutorial.MixedConvection (sim)Simulate performance 0.12 → 0:04:00
Buildings_12Buildings.Air.Systems.SingleZone.VAV.Examples.OptimalStart.ConventionalSpring (sim)BackEnd performance 13.30 → 7.79
Buildings_12Buildings.Air.Systems.SingleZone.VAV.Examples.OptimalStart.ConventionalSummer (sim)BackEnd performance 13.58 → 7.74
Buildings_12Buildings.Fluid.Geothermal.ZonedBorefields.Validation.TransientBoreholeDynamics (sim)Simulate performance 0:01:43 → 51.49
Chemical_masterChemical.Examples.HeatingOfWater (sim)Templates → Simulate
Dynawo_devDynawo.Examples.Nordic.TestCases.TestCase (sim)Simulate performance 0:01:49 → 0:01:00
Dynawo_devDynawo.Examples.RVS.TestCases.TestB.TestBNoSvcLoadReset (sim)Verify → Compile
KeyWordIOKeyWordIO.Examples.CaseExamples.ElectricalCases (sim)Templates → Simulate
Modelica_3.2.3Modelica.Electrical.PowerConverters.Examples.DCAC.MultiPhaseTwoLevel.ThreePhaseTwoLevel_PWM (sim)Compile → Simulate
Modelica_DeviceDriversModelica_DeviceDrivers.Blocks.Examples.TestSerialPackager_UDP (sim)Simulate → Compile
Modelica_trunkModelica.Electrical.Machines.Examples.InductionMachines.IMC_YD (sim)Compile → Verify
ScalableTestGrids_nooptScalableTestGrids.Models.Type1.Type1_reduced_N_3_M_4 (sim)BackEnd performance 20.52 → 11.56
ScalableTestGrids_nooptScalableTestGrids.Models.Type1.Type1_reduced_N_4_M_4 (sim)FrontEnd performance 15.88 → 9.21
ScalableTestGrids_nooptScalableTestGrids.Models.Type1.Type1_reduced_N_6_M_4 (sim)BackEnd performance 0:02:21 → 0:01:20
ScalableTestGrids_nooptScalableTestGrids.Models.Type2.Type2_noTap___N_3_M_4 (sim)BackEnd performance 19.30 → 9.00
ScalableTestGrids_nooptScalableTestGrids.Models.Type2.Type2_tapEv___N_6_M_4 (sim)Simulate performance 22.78 → 41.66
ScalableTestSuiteScalableTestSuite.Electrical.DistributionSystemAC.ScaledExperiments.DistributionSystemLinearIndividual_N_56_M_56 (sim)BackEnd performance 47.71 → 27.28 Templates performance 15.08 → 7.92
ScalableTestSuiteScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelicaActiveLoads_N_80_M_80 (sim)BackEnd performance 57.03 → 33.08 Simulate performance 12.06 → 5.75
ScalableTestSuiteScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelica_N_112_M_112 (sim)Verify → Templates
ScalableTestSuiteScalableTestSuite.Elementary.ParameterArrays.ScaledExperiments.Table_N_140_M_140 (sim)Simulate performance 12.00 → 0.18
ScalableTestSuiteScalableTestSuite.Elementary.ParameterArrays.ScaledExperiments.Table_N_1600_M_100 (sim)Compile → Verify
ScalableTestSuiteScalableTestSuite.Elementary.ParameterArrays.ScaledExperiments.Table_N_280_M_280 (sim)Compile → Verify
ScalableTestSuiteScalableTestSuite.Elementary.ParameterArrays.ScaledExperiments.Table_N_400_M_400 (sim)Compile → Verify
ScalableTestSuiteScalableTestSuite.Elementary.SimpleODE.ScaledExperiments.CascadedFirstOrder_N_25600 (sim)Simulate performance 9.26 → 28.24
ScalableTestSuiteScalableTestSuite.Thermal.Advection.ScaledExperiments.SteamPipe_N_2560 (sim)Compile → Simulate
ScalableTestSuite_nooptScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelicaActiveLoads_N_56_M_56 (sim)BackEnd performance 24.86 → 14.56
ScalableTestSuite_nooptScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelica_N_56_M_56 (sim)BackEnd performance 22.26 → 12.67
ScalableTestSuite_nooptScalableTestSuite.Electrical.DistributionSystemDC.ScaledExperiments.DistributionSystemModelica_N_80_M_80 (sim)BackEnd performance 52.38 → 28.94
ScalableTestSuite_nooptScalableTestSuite.Elementary.ParameterArrays.ScaledExperiments.Table_N_1600_M_100 (sim)Compile → Verify
ScalableTestSuite_nooptScalableTestSuite.Elementary.ParameterArrays.ScaledExperiments.Table_N_280_M_280 (sim)Compile → Verify
ScalableTestSuite_nooptScalableTestSuite.Elementary.ParameterArrays.ScaledExperiments.Table_N_400_M_400 (sim)Compile → Verify