value.py

#!/usr/bin/env python3

import argparse
import random
from mpi4py import MPI

def parser():
    parser = argparse.ArgumentParser(description="Value of a number")
    parser.add_argument("--number", type=int, help="Number to use for multiplication")
    parser.add_argument("--input", type=str, help="Input file")
    return parser

if __name__ == "__main__":
    comm = MPI.COMM_WORLD
    nproc = comm.Get_size()
    args = parser().parse_args()
    with open(args.input, "r") as f:
        data = f.read()
        problem_size = float(data) * float(args.number) * 12
        runtime = problem_size / nproc * random.uniform(0.8, 1.2)
        string = " " * random.randint(1, 10)
        if comm.Get_rank() == 0:
            print("Runtime={}{}".format(string,runtime))