Task_5.cpp

#include <iostream>
#include "mpi.h"
#define NTIMES 1000

using namespace std;

int main(int argc, char **argv)
{
	double time_start, time_finish;
	int rank, i;
	int len;
	char *name = new char;
	
	MPI_Init(&argc, &argv);
	MPI_Comm_rank(MPI_COMM_WORLD, &rank);
	MPI_Get_processor_name(name, &len);
	
	time_start = MPI_Wtime();
	
	for (i = 0; i < NTIMES; i++)
		time_finish = MPI_Wtime();
	
	cout << "processor " << name << ", process " << rank << " time = " << (time_finish - time_start) / NTIMES << endl;
	
	MPI_Finalize();
}