MPI_Comm enumeration

Syntax

typedef enum _MPI_Comm { 
  MPI_COMM_NULL   = 0x04000000,
  MPI_COMM_WORLD  = 0x44000000,
  MPI_COMM_SELF   = 0x44000001
} MPI_Comm;

Constants

• MPI_COMM_NULL
  The value used for invalid communicator handles.

• MPI_COMM_WORLD
  An initial intra-communicator of all processes.

• MPI_COMM_SELF
  Communicator that contains only the calling process.

Requirements

Product	HPC Pack 2012 MS-MPI Redistributable Package, HPC Pack 2008 R2 MS-MPI Redistributable Package, HPC Pack 2008 MS-MPI Redistributable Package or HPC Pack 2008 Client Utilities
Header	Mpi.h

See also

MPI Enumerations