mtfacfib.py

#!/usr/bin/env python3
from myThread import MyThread
from time import ctime, sleep

def fib(x):
    sleep(0.005)
    if x < 2: return 1
    return fib(x-2) + fib(x-1)


def fac(x):
    sleep(0.1)
    if x < 2: return 1
    return x * fac(x-1)


def sum(x):
    sleep(0.1)
    if x < 2: return 1
    return x + sum(x-1)


funcs = [fib, fac, sum]
n = 12

def main():
    nfuncs = range(len(funcs))
    print("*** SINGLE THREAD")
    for i in nfuncs:
        print("starting", funcs[i].__name__, 'at:', ctime())
        print(funcs[i](n))
        print(funcs[i].__name__, "finished at:", ctime())

    print("\n*** MULTIPLE THREADS")
    threads = []
    for i in nfuncs:
        t = MyThread(funcs[i], (n,), funcs[i].__name__)
        threads.append(t)

    for i in nfuncs:
        threads[i].start()

    for i in nfuncs:
        threads[i].join()
        print(threads[i].getResult())

    print("all DONE")


if __name__ == "__main__":
    main()