Added an alternative MPI implementation which uses one-sided communication

2020-04-02 17:59:53 +03:00
parent 9b6d927cf1
commit fe14ae4665
2 changed files with 209 additions and 24 deletions
--- a/src/core/kernels/kernels.h
+++ b/src/core/kernels/kernels.h
@@ -1,9 +1,19 @@
 #pragma once
 #include "astaroth.h"

+#if AC_MPI_ENABLED
+#include <mpi.h>
+
+#define AC_MPI_UNIDIRECTIONAL_COMM (0)
+#endif // AC_MPI_ENABLED
+
 typedef struct {
    int3 dims;
    AcReal* data;
+
+#if (AC_MPI_ENABLED && AC_MPI_UNIDIRECTIONAL_COMM)
+    MPI_Win win; // MPI window for RMA
+#endif           // (AC_MPI_ENABLED && AC_MPI_UNIDIRECTIONAL_COMM)
 } PackedData;

 typedef struct {