| 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
2003-2026, The Open MPI Community
| October 11, 2026 |