#!/usr/bin/env python3
from multiprocessing import Process
from setproctitle import setproctitle # pylint: disable=no-name-in-module
import os
import numpy as np
from common.realtime import sec_since_boot
def waste(pid):
# set affinity
os.system("taskset -p %d %d" % (1 << pid, os.getpid()))
m1 = np.zeros((200, 200)) + 0.8
m2 = np.zeros((200, 200)) + 1.2
i = 1
st = sec_since_boot()
j = 0
while 1:
if (i % 100) == 0:
setproctitle("%3d: %8d" % (pid, i))
lt = sec_since_boot()
print("%3d: %8d %f %.2f" % (pid, i, lt-st, j))
st = lt
i += 1
j = np.sum(np.matmul(m1, m2))
def main(gctx=None):
print("1-2 seconds is baseline")
for i in range(4):
p = Process(target=waste, args=(i,))
p.start()
if __name__ == "__main__":
main()
