-/* Copyright (c) 2009-2013. The SimGrid Team.
+/* Copyright (c) 2009-2014. The SimGrid Team.
* All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
-
#include "private.h"
#include <stdio.h>
#include <xbt.h>
TRACE_smpi_ptp_in(rank, src_traced, rank, __FUNCTION__, extra);
#endif
+ //unknow size from the receiver pov
+ if(size==-1){
+ smpi_mpi_probe(from, 0, MPI_COMM_WORLD, &status);
+ size=status.count;
+ }
+
smpi_mpi_recv(NULL, size, MPI_CURRENT_TYPE, from, 0, MPI_COMM_WORLD, &status);
#ifdef HAVE_TRACING
extra->datatype1 = encode_datatype(MPI_CURRENT_TYPE);
TRACE_smpi_ptp_in(rank, src_traced, rank, __FUNCTION__, extra);
#endif
+ MPI_Status status;
+ //unknow size from the receiver pov
+ if(size==-1){
+ smpi_mpi_probe(from, 0, MPI_COMM_WORLD, &status);
+ size=status.count;
+ }
request = smpi_mpi_irecv(NULL, size, MPI_CURRENT_TYPE, from, 0, MPI_COMM_WORLD);