Python_Example_multiprocessing.py

import multiprocessing as mp
import numpy as np
import time


class CorsaDiCagnolini:

    def __init__(self):
        self.pool = mp.Pool(mp.cpu_count())

    def launcher(self):
        start_time =  time.time()
        data = list()
        data.append("🦮")
        data.append("🐶")
        data.append("🐺")
        data.append("🐩")

        results = self.pool.map(self.funzione_pesante_assaij,[row for row in data])
        self.pool.close()
        print(results)
        print("Winner >",data[np.argmin(results)],"<")
        print("THE END: ", np.round(time.time() - start_time, 6), "sec")

        pass

    @staticmethod
    def funzione_pesante_assaij(una_variabile):
        print("start:", una_variabile)
        start_time =  time.time()
        for i in range(10000):
            for j in range(10000):
                cinque = 2+2
        result = np.round(time.time() - start_time, 6)
        print("end:", una_variabile , " ", result, "sec")
        return result




if __name__ == '__main__':
    print("Number of processors: ", mp.cpu_count())
    CorsaDiCagnolini().launcher()