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Switch to MPI.gather #20

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mtfishman opened this issue Nov 6, 2023 · 1 comment
Open

Switch to MPI.gather #20

mtfishman opened this issue Nov 6, 2023 · 1 comment

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@mtfishman
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MPI.jl has added a few more functions that automatically serialize, including gather and scatter:

JuliaParallel/MPI.jl#756
JuliaParallel/MPI.jl#758

Should be able to drop our own implementation of gather in favor of the one in MPI.jl. @b-kloss
@b-kloss
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b-kloss commented Nov 6, 2023 •
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Nice. We had count = Ref{Clong}() to accomodate very large message sizes, but I assume that just using Julia types as in MPI.jl, count = length(sendbuf), defaults to Int64 so that should be a safe switch.

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@mtfishman @b-kloss