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GPU Compatibility of QNDF and FBDF#3134

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KeshavVenkatesh wants to merge 3 commits intoSciML:masterfrom
KeshavVenkatesh:qndf-fbdf-gpu-compatibility
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GPU Compatibility of QNDF and FBDF#3134
KeshavVenkatesh wants to merge 3 commits intoSciML:masterfrom
KeshavVenkatesh:qndf-fbdf-gpu-compatibility

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@KeshavVenkatesh
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Checklist

  • Appropriate tests were added
    I did not add new tests but existing tests under bdf_solvers.jl passed.
  • Any code changes were done in a way that does not break public API
    None
  • All documentation related to code changes were updated
    Yes
  • The new code follows the
    contributor guidelines, in particular the SciML Style Guide and
    COLPRAC.
  • Any new documentation only uses public API

Additional context

I ran the test documented in the issue here and it ran fine

2.600186 seconds (6.02 M allocations: 322.647 MiB, 15.44% gc time, 97.52% compilation time)
7.793672 seconds (10.10 M allocations: 495.285 MiB, 2.02% gc time, 92.47% compilation time)
0.397909 seconds (413.27 k allocations: 22.173 MiB, 17.23% gc time, 96.54% compilation time)
0.603914 seconds (1.34 M allocations: 52.057 MiB, 57.27% compilation time)
Euler: retcode=Success
Rodas5: retcode=Success
TRBDF2: retcode=Success
ROCK2: retcode=Success
QNDF: retcode=Unstable
FBDF: retcode=Success

I was also able to run the bdf_solvers.jl and it ran fine. I had to add hint for tolerance and max number of tries.

@ChrisRackauckas
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Rebase onto master.

ChrisRackauckas added a commit that referenced this pull request Mar 17, 2026
…mpat-rebased

GPU Compatibility of QNDF and FBDF (rebased #3134)
@ChrisRackauckas
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Rebased in #3155 and merged.

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2 participants