Definition
MPI_Get_address retrieves the memory address of of the element given.
int MPI_Get_address(const void* location,
MPI_Aint* address);
Addressing
C | Fortran-2008 | Fortran-90
MPI_Get_address
Parameters
- location
The element to obtain the address of.
- address
The variable in which store the address of the element passed.
Return value
The error code returned from the memory address retrieval.
- MPI_SUCCESS: The routine successfully completed.
Example
#include <stdio.h>
#include <stdlib.h>
#include <mpi.h>
/**
* @brief Illustrate how to obtain the address of an element.
**/
int main(int argc, char* argv[])
{
MPI_Init(&argc, &argv);
int a[10];
MPI_Aint addr;
MPI_Get_address(&a[2], &addr);
printf("The address of the third element is %ld.\n", addr);
MPI_Finalize();
return EXIT_SUCCESS;
}