Changeset 2462 for XIOS3/trunk

Timestamp:

02/01/23 15:22:45 (17 months ago)

Author:

jderouillat

Message:

Replaced MPI_Win_create calls by MPI_Win_allocate calls to avoid deadlock on JeanZay?

File:

• XIOS3/trunk/src/manager/token_manager.hpp (modified) (2 diffs)

XIOS3/trunk/src/manager/token_manager.hpp

@@ -19 +19 @@
         MPI_Aint size = 0 ;
         if (leader_== commRank) size = sizeof(size_t) ;
-        MPI_Win_create(&currentToken_, size, sizeof(size_t), MPI_INFO_NULL, comm, &winCurrentToken_) ;
-        MPI_Win_create(&retrievedToken_, size, sizeof(size_t), MPI_INFO_NULL, comm, &winRetrievedToken_) ;
+        const MPI_Aint windowSize=sizeof(size_t);
+        MPI_Win_allocate(windowSize, 1, MPI_INFO_NULL, comm, &winBufferCurrent_,   &winCurrentToken_) ;
+        MPI_Win_allocate(windowSize, 1, MPI_INFO_NULL, comm, &winBufferRetrieved_, &winRetrievedToken_) ;
       }
 
@@ -58 +59 @@
 
       MPI_Win winCurrentToken_ ;
+      void* winBufferCurrent_ ;
       MPI_Win winRetrievedToken_ ;
+      void* winBufferRetrieved_ ;
       
       int leader_ ;