gistfile1.txt

===　threading ===
#!/usr/bin/python

import sys
import threading

THR_NUM=4

class thr(threading.Thread) :
    def run(self) :
        val = 0
        while val < 100000000 :
                val = val + 1

num_of_thr = 0
t = []
while num_of_thr < THR_NUM :
    t.append(thr())
    num_of_thr = num_of_thr + 1

for x in t :
    x.start()
for x in t :
    x.join()
===

$ time ./cpubench.py

real    0m58.897s
user    0m57.655s
sys     1m31.172s        // !?!?




multiprocessing
==

#!/usr/bin/python

import sys
import multiprocessing

THR_NUM=4

class thr(multiprocessing.Process) :
    def run(self) :
        val = 0
        while val < 100000000 :
                val = val + 1

num_of_thr = 0
t = []
while num_of_thr < THR_NUM :
    t.append(thr())
    num_of_thr = num_of_thr + 1

for x in t :
    x.start()
for x in t :
    x.join()
==

$ time ./cpubench2.py

real    0m5.519s
user    0m21.829s
sys     0m0.013s