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Default pack size should depend on Kokkos execution space #1044

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Yurlungur opened this issue Apr 4, 2024 · 0 comments
Open

Default pack size should depend on Kokkos execution space #1044

Yurlungur opened this issue Apr 4, 2024 · 0 comments

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@Yurlungur
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Recently had some folks hit unexpectedly poor MPI performance with parthenon on CPU because they didn't know to set parthenon/mesh/pack_size=1. We should have this default to 1 when the default execution space is serial.
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@Yurlungur