MPI_Probe

Blocking test for a message.

Syntax

• [flag, stat, info] = MPI_Probe(rank, tag)
• [flag, stat, info] = MPI_Probe(rank, tag, comm)

Input argument

• rank - an integer value: source rank.
• tag - an integer value: message tag.
• comm - a MPI_Comm object.

Output argument

• flag - an integer value: 1 if the message is ready to be received, 0 if it is not.
• stat - a struct: source rank, message tag, error, count, cancelled for the accepted message.
• info - an integer value: 0 (MPI_SUCCESS) other value is an error.

Description

Blocking test for a message.

See also

MPI_IProbe.

History

Author

Allan CORNET