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np.max not safe in parallel #900

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RemDelaporteMathurin opened this issue Oct 30, 2024 · 0 comments
Open

np.max not safe in parallel #900

RemDelaporteMathurin opened this issue Oct 30, 2024 · 0 comments
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bug Something isn't working fenicsx Issue that is related to the fenicsx support good first issue Good for newcomers

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@RemDelaporteMathurin
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          Note for future: this is not safe in parallel

Originally posted by @RemDelaporteMathurin in #878 (comment)

Should be

self.value = solution.function_space.mesh.comm.allreduce(val, op=MPI.MAX)
@RemDelaporteMathurin RemDelaporteMathurin added bug Something isn't working fenicsx Issue that is related to the fenicsx support good first issue Good for newcomers labels Nov 5, 2024
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