wiki:mpich/MPI_Bcast
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Version 1 (modified by wade, 16 years ago) (diff)

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=MPI_Bcast= Broadcasts a message from the process with rank "root" to all other processes of the group.

=Synopsis= 

#include "mpi.h"
int MPI_Bcast ( void *buffer, int count, MPI_Datatype datatype, int root, MPI_Comm comm )

=Input/output Parameters= 

  buffer    starting address of buffer (choice)
  count     number of entries in buffer (integer)
  datatype  data type of buffer (handle)
  root 	    rank of broadcast root (integer)
  comm 	    communicator (handle)