wiki:mpich/MPI_Comm_size
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MPI_Comm_size

Determines the size of the group associated with a communictor

Synopsis

  #include "mpi.h"
  int MPI_Comm_size ( MPI_Comm comm, int *size )

Input Parameter

  comm  communicator (handle)

Output Parameter

  size  number of processes in the group of comm (integer)

Notes

MPI_COMM_NULL is not considered a valid argument to this function.

Example

mpich/point_to_point/demo1

Last modified 17 years ago Last modified on Apr 2, 2008, 3:19:03 PM