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fix AllReduce (array)

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This commit is contained in:
Joachim Schoeberl 2022-03-05 12:21:28 +01:00
parent 2b9d4596ae
commit c4b679ec5a
1 changed files with 1 additions and 1 deletions
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2
libsrc/core/mpi_wrapper.hpp
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@ -258,7 +258,7 @@ namespace ngcore
void AllReduce (FlatArray<T> d, const MPI_Op & op) const void AllReduce (FlatArray<T> d, const MPI_Op & op) const
{ {
static Timer t("MPI - AllReduce Array"); RegionTimer reg(t); static Timer t("MPI - AllReduce Array"); RegionTimer reg(t);
if (size == 1) return d; if (size == 1) return;
MPI_Allreduce (MPI_IN_PLACE, d.Data(), d.Size(), GetMPIType<T>(), op, comm); MPI_Allreduce (MPI_IN_PLACE, d.Data(), d.Size(), GetMPIType<T>(), op, comm);
} }