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Deadlock on openMPI during subpopulation ranking exchange #2

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ac101m opened this issue Nov 14, 2018 · 1 comment
Open

Deadlock on openMPI during subpopulation ranking exchange #2

ac101m opened this issue Nov 14, 2018 · 1 comment

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@ac101m
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ac101m commented Nov 14, 2018 •
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Deadlock occurs during exchange of sub-population ranking information. Deadlock appears only to occur when multiple processes operate on a single node. Does not occur when using MPICH3. Weird.
@ac101m ac101m changed the title Deadlock in population loop Deadlock on openMPI during subpopulation ranking exchange Nov 14, 2018
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ac101m commented Nov 15, 2018

Issue not present under openmpi 4.0

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