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Release prep: bump ModelingToolkitBase to 1.51.1#4733

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ChrisRackauckas merged 1 commit into
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release-prep/monorepo-bump
Jul 13, 2026
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Release prep: bump ModelingToolkitBase to 1.51.1#4733
ChrisRackauckas merged 1 commit into
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release-prep/monorepo-bump

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@ChrisRackauckas ChrisRackauckas commented Jul 12, 2026

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Registered 1.51.0 (homotopy operator/HomotopyProblem feature) unaffected. Releases the additional patch-level content since then: DiffEqBase 7.x compat floor raise (#4709) plus QA/docstring scaffolding. Root ModelingToolkit is already correctly at 11.31.2 in source (clean patch bump from registered 11.31.1) and needs no edit here, just a registration trigger after this merges.

@ChrisRackauckas
Release prep: bump ModelingToolkitBase to 1.51.1
683335f 
Registered 1.51.0 (including the homotopy operator/HomotopyProblem feature) is
unaffected. Unreleased content since then (DiffEqBase 7.x compat floor raise
#4709, plus QA/docstring scaffolding) is patch-appropriate.
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Benchmark Results (Julia vlts)

Time benchmarks
master 683335f... master / 683335f...
ODEProblem 4.99 ± 0.34 ms 5.03 ± 0.36 ms 0.993 ± 0.098
init 0.0565 ± 0.016 ms 0.0558 ± 0.014 ms 1.01 ± 0.39
large_parameter_init/ODEProblem 19.6 ± 2 ms 19.5 ± 2.4 ms 1 ± 0.16
large_parameter_init/init 0.0798 ± 0.028 ms 0.0742 ± 0.02 ms 1.08 ± 0.48
mtkcompile 7.71 ± 0.43 ms 7.86 ± 0.56 ms 0.98 ± 0.089
sparse_analytical_jacobian/ODEProblem 20 ± 1.2 ms 20.3 ± 1.2 ms 0.986 ± 0.083
sparse_analytical_jacobian/f_iip 0.063 ± 0.001 μs 0.061 ± 0.001 μs 1.03 ± 0.024
sparse_analytical_jacobian/f_oop 0.334 ± 0.013 ms 0.332 ± 0.015 ms 1.01 ± 0.062
time_to_load 5.2 ± 0.075 s 5.07 ± 0.17 s 1.02 ± 0.038
Memory benchmarks
master 683335f... master / 683335f...
ODEProblem 0.0395 M allocs: 1.99 MB 0.0395 M allocs: 2.01 MB 0.992
init 0.416 k allocs: 0.0697 MB 0.416 k allocs: 0.0697 MB 1
large_parameter_init/ODEProblem 0.323 M allocs: 11.3 MB 0.323 M allocs: 11.3 MB 1
large_parameter_init/init 0.604 k allocs: 0.172 MB 0.604 k allocs: 0.172 MB 1
mtkcompile 0.061 M allocs: 3.32 MB 0.061 M allocs: 3.32 MB 1
sparse_analytical_jacobian/ODEProblem 0.19 M allocs: 7.81 MB 0.19 M allocs: 7.81 MB 1
sparse_analytical_jacobian/f_iip 0 allocs: 0 B 0 allocs: 0 B
sparse_analytical_jacobian/f_oop 0.634 k allocs: 19.6 kB 0.634 k allocs: 19.6 kB 1
time_to_load 0.153 k allocs: 14.5 kB 0.153 k allocs: 14.5 kB 1

@ChrisRackauckas ChrisRackauckas merged commit 2a6af43 into master Jul 13, 2026
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@ChrisRackauckas ChrisRackauckas deleted the release-prep/monorepo-bump branch July 13, 2026 00:09
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Benchmark Results (Julia v1)

Time benchmarks
master 683335f... master / 683335f...
ODEProblem 6.03 ± 0.47 ms 5.13 ± 0.45 ms 1.18 ± 0.14
init 0.0673 ± 0.02 ms 0.066 ± 0.019 ms 1.02 ± 0.42
large_parameter_init/ODEProblem 27.2 ± 3.7 ms 25.8 ± 5 ms 1.05 ± 0.25
large_parameter_init/init 0.0762 ± 0.038 ms 0.111 ± 0.049 ms 0.689 ± 0.46
mtkcompile 8.77 ± 0.38 ms 8.27 ± 0.61 ms 1.06 ± 0.09
sparse_analytical_jacobian/ODEProblem 24.4 ± 2.7 ms 22.9 ± 3.1 ms 1.07 ± 0.19
sparse_analytical_jacobian/f_iip 0.09 ± 0.001 μs 0.081 ± 0.01 μs 1.11 ± 0.14
sparse_analytical_jacobian/f_oop 0.126 ± 0.012 ms 0.119 ± 0.012 ms 1.06 ± 0.15
time_to_load 5.72 ± 0.097 s 5.7 ± 0.36 s 1 ± 0.065
Memory benchmarks
master 683335f... master / 683335f...
ODEProblem 0.0397 M allocs: 1.83 MB 0.0397 M allocs: 1.81 MB 1.01
init 0.415 k allocs: 0.0517 MB 0.415 k allocs: 0.0517 MB 1
large_parameter_init/ODEProblem 0.351 M allocs: 12.8 MB 0.35 M allocs: 12.7 MB 1.01
large_parameter_init/init 0.798 k allocs: 0.151 MB 0.798 k allocs: 0.151 MB 1
mtkcompile 0.0592 M allocs: 2.64 MB 0.0592 M allocs: 2.62 MB 1.01
sparse_analytical_jacobian/ODEProblem 0.185 M allocs: 6.88 MB 0.185 M allocs: 6.88 MB 1
sparse_analytical_jacobian/f_iip 0 allocs: 0 B 0 allocs: 0 B
sparse_analytical_jacobian/f_oop 0.848 k allocs: 27 kB 0.848 k allocs: 27 kB 1
time_to_load 0.145 k allocs: 11 kB 0.145 k allocs: 11 kB 1

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