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mpi-wrapper

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This commit is contained in:
Joachim Schöberl 2020-08-17 20:28:00 +02:00
parent 33626c6669
commit 9e105c48ea
1 changed files with 12 additions and 0 deletions
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12
libsrc/core/mpi_wrapper.hpp
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@ -275,6 +275,18 @@ namespace ngcore
&recv, 1, GetMPIType<T>(), 0, comm); &recv, 1, GetMPIType<T>(), 0, comm);
} }
template <typename T>
void AllGather (T val, FlatArray<T> recv) const
{
if (size == 1)
{
recv[0] = val;
return;
}
MPI_Allgather (&val, 1, GetMPIType<T>(),
recv.Data(), 1, GetMPIType<T>(),
comm);
}
NgMPI_Comm SubCommunicator (FlatArray<int> procs) const NgMPI_Comm SubCommunicator (FlatArray<int> procs) const