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Returns the upper bound on the amount of space needed to pack a message.
Syntax
int MPIAPI MPI_Pack_size(
int incount,
MPI_Datatype datatype,
MPI_Comm comm,
_Out_ int *size
);
Parameters
incount
Count argument to packing call.datatype
Datatype argument to packing call.comm
Communicator argument to packing call.size [out]
Upper bound on size of packed message, in bytes.
Return value
Returns MPI_SUCCESS on success. Otherwise, the return value is an error code.
In Fortran, the return value is stored in the IERROR parameter.
Fortran
MPI_PACK_SIZE(INCOUNT, DATATYPE, COMM, SIZE, IERROR)
INTEGER INCOUNT, DATATYPE, COMM, SIZE, IERROR
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; Mpif.h |
Library |
Msmpi.lib |
DLL |
Msmpi.dll |