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rpi-cluster/examples/hello_c.c
J. Fernando Sánchez 30f1944781 First commit
2015-09-14 21:52:07 +02:00

28 lines
751 B
C

/*
* Copyright (c) 2004-2006 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2006 Cisco Systems, Inc. All rights reserved.
*
* Sample MPI "hello world" application in C
*/
#include <stdio.h>
#include "mpi.h"
int main(int argc, char* argv[])
{
int rank, size, len;
/*char version[MPI_MAX_LIBRARY_VERSION_STRING];*/
MPI_Init(&argc, &argv);
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
MPI_Comm_size(MPI_COMM_WORLD, &size);
/*MPI_Get_library_version(version, &len);*/
printf("Hello, world, I am %d of %d, (%d)\n",
rank, size, len);
MPI_Finalize();
return 0;
}