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MPI_T_CVAR_GET_NUM(3) Open MPI MPI_T_CVAR_GET_NUM(3)

MPI_T_cvar_get_num — Query the number of control variables

SYNTAX

C Syntax

#include <mpi.h>
int MPI_T_cvar_get_num(int *num_cvar)


OUTPUT PARAMETERS

•
num_cvar: Current number of control variables.

DESCRIPTION

MPI_T_cvar_get_num can be used to query the current number of control variables. The number of control variables may increase throughout the execution of the process but will never decrease.

ERRORS

MPI_T_cvar_get_num will fail if:

•
MPI_T_ERR_NOT_INITIALIZED: The MPI Tools interface not initialized

COPYRIGHT

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February 17, 2025