From ce325cd46d9a58c67e010ec6c8fbcf2f27ee64ce Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Sch=C3=B6nherr?= <schoen@irmb.tu-bs.de>
Date: Tue, 30 Oct 2018 08:54:30 +0100
Subject: [PATCH] added explicit mpi barrier for generating multiple grids in
parallel
---
src/VirtualFluids_GPU/Communication/Communicator.cpp | 4 ++++
src/VirtualFluids_GPU/Communication/Communicator.h | 1 +
2 files changed, 5 insertions(+)
diff --git a/src/VirtualFluids_GPU/Communication/Communicator.cpp b/src/VirtualFluids_GPU/Communication/Communicator.cpp
index c094f3c77..d362f79b4 100644
--- a/src/VirtualFluids_GPU/Communication/Communicator.cpp
+++ b/src/VirtualFluids_GPU/Communication/Communicator.cpp
@@ -152,6 +152,10 @@ void Communicator::barrierGPU()
//printf("\n End Waitall \n");
//fflush(stdout);
}
+void Communicator::barrier()
+{
+ MPI_Barrier(commGPU);
+}
//////////////////////////////////////////////////////////////////////////
void Communicator::exchngDataGeo( int* sbuf_t, int* rbuf_t, int* sbuf_b, int* rbuf_b, int count )
diff --git a/src/VirtualFluids_GPU/Communication/Communicator.h b/src/VirtualFluids_GPU/Communication/Communicator.h
index 94dd51406..47bc3e632 100644
--- a/src/VirtualFluids_GPU/Communication/Communicator.h
+++ b/src/VirtualFluids_GPU/Communication/Communicator.h
@@ -45,6 +45,7 @@ public:
void waitGPU(int id);
void resetRequest();
void barrierGPU();
+ void barrier();
//////////////////////////////////////////////////////////////////////////
void exchngDataGeo(int* sbuf_t, int* rbuf_t, int* sbuf_b, int* rbuf_b, int count);
MPI_Comm getCommunicator();
--
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