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timer in MPI wrappes

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This commit is contained in:
Joachim Schöberl 2020-08-04 16:29:59 +02:00
parent 4682e6915c
commit 254257d406
1 changed files with 5 additions and 0 deletions
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5
libsrc/core/mpi_wrapper.hpp
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@ -8,6 +8,7 @@
#include "array.hpp"
#include "exception.hpp"
#include "profiler.hpp"
namespace ngcore
{
@ -122,6 +123,7 @@ namespace ngcore
int Rank() const { return rank; }
int Size() const { return size; }
void Barrier() const {
static Timer t("MPI - Barrier"); RegionTimer reg(t);
if (size > 1) MPI_Barrier (comm);
}
@ -200,6 +202,7 @@ namespace ngcore
template <typename T, typename T2 = decltype(GetMPIType<T>())>
T Reduce (T d, const MPI_Op & op, int root = 0) const
{
static Timer t("MPI - Reduce"); RegionTimer reg(t);
if (size == 1) return d;
T global_d;
@ -210,6 +213,7 @@ namespace ngcore
template <typename T, typename T2 = decltype(GetMPIType<T>())>
T AllReduce (T d, const MPI_Op & op) const
{
static Timer t("MPI - AllReduce"); RegionTimer reg(t);
if (size == 1) return d;
T global_d;
@ -272,6 +276,7 @@ namespace ngcore
NETGEN_INLINE void MyMPI_WaitAll (FlatArray<MPI_Request> requests)
{
static Timer t("MPI - WaitAll"); RegionTimer reg(t);
if (!requests.Size()) return;
MPI_Waitall (requests.Size(), requests.Data(), MPI_STATUSES_IGNORE);
}