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34 lines
699 B
Python
Executable File
34 lines
699 B
Python
Executable File
#!/usr/bin/env python3
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import os
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import time
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import numpy as np
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from multiprocessing import Process
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from setproctitle import setproctitle
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def waste(core):
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os.sched_setaffinity(0, [core,])
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m1 = np.zeros((200, 200)) + 0.8
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m2 = np.zeros((200, 200)) + 1.2
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i = 1
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st = time.monotonic()
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j = 0
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while 1:
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if (i % 100) == 0:
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setproctitle(f"{core:3d}: {i:8d}")
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lt = time.monotonic()
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print(f"{core:3d}: {i:8d} {lt-st:f} {j:.2f}")
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st = lt
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i += 1
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j = np.sum(np.matmul(m1, m2))
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def main(gctx=None):
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print("1-2 seconds is baseline")
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for i in range(os.cpu_count()):
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p = Process(target=waste, args=(i,))
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p.start()
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if __name__ == "__main__":
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main()
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