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corner bug? #912

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nicolasaunai opened this issue Oct 21, 2024 · 1 comment
Open

corner bug? #912

nicolasaunai opened this issue Oct 21, 2024 · 1 comment
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@nicolasaunai
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Two different runs on branch nu

image

image

appear to crash for no reason. It's probably not too low hyper-resistivity because it looks diffusive enough.
however in both cases the divergence appears on a L2 corner.
@nicolasaunai nicolasaunai added the bug 🔥 Something isn't working label Oct 21, 2024
@nicolasaunai
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Apparently it is something that occurs when using so many (too many) MPI processes and very small patches are created.
Not sure what happens yet but this ran on 192 cores, fails whatever branch I'm on, and all goes well with 40 cores.
TBC

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