wiki:mpich/MPI_Recv

Version 1 (modified by wade, 17 years ago) (diff)

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MPI_Recv

Basic receive

Synopsis

#include "mpi.h" int MPI_Recv( void *buf, int count, MPI_Datatype datatype, int source, int tag, MPI_Comm comm, MPI_Status *status )

Output Parameters

	buf 	initial address of receive buffer (choice)
	status 	status object (Status)

Input Parameters

	count 	  maximum number of elements in receive buffer (integer)
	datatype  datatype of each receive buffer element (handle)
	source 	  rank of source (integer)
	tag 	  message tag (integer)
	comm 	  communicator (handle)

Notes

The count argument indicates the maximum length of a message; the actual number can be determined with MPI_Get_count.