plucky (3) MPI_T_cvar_get_num.openmpi.3.gz

Provided by: openmpi-doc_5.0.7-1_all bug

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

       2003-2025, The Open MPI Community

                                                  Feb 17, 2025                             MPI_T_CVAR_GET_NUM(3)