PMI_Get_app_size

PMI_Get_app_size - Returns the number of ranks running the application within the callers process group

SYNOPSIS

C or C++ SYNOPSIS

#include <pmi.h>
int PMI_Get_app_size(int app, int *size);

IMPLEMENTATION

Cray Linux Environment (CLE)

DESCRIPTION

This function returns the size (number of ranks) running the application in the process group to which the local process belongs. It replaces the deprecated PMI_CRAY_Get_app_size() function.

app

The application number of the application in the process group.

size

Pointer to an integer that receives the size (number of ranks) of the application in the process group.

RETURN VALUES

PMI_SUCCESS

Operation completed successfully

PMI_FAIL

Operation failed

PMI_ERR_INVALID_ARG

Invalid argument

PMI_ERR_INIT

PMI not initialized