How to check difference between parallel and non parallel programming using mpi

Question

How to confirm that parallel program written by me using MPI is faster than the program written in non parallel method.

score 0 · Accepted Answer · edited May 23 '17 at 12:28

0

You may use MPI_Wtime() to time you program. Here is an example. Profiling tools may provide you with a more detailed result. Take a loop at this question : Good profiler for Fortran and MPI

edited May 23 '17 at 12:28

Community

answered Jan 27 '15 at 19:29

francis

1 Answers1