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39 lines
649 B
Python
39 lines
649 B
Python
"""
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Measure latency of IPC between two local threads.
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"""
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import threading
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import time
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import mitogen
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import mitogen.utils
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mitogen.utils.setup_gil()
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X = 20000
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def flip_flop(ready, inp, out):
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ready.put(None)
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for x in xrange(X):
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inp.get()
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out.put(None)
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ready = mitogen.core.Latch()
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l1 = mitogen.core.Latch()
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l2 = mitogen.core.Latch()
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t1 = threading.Thread(target=flip_flop, args=(ready, l1, l2))
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t2 = threading.Thread(target=flip_flop, args=(ready, l2, l1))
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t1.start()
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t2.start()
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ready.get()
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ready.get()
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t0 = time.time()
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l1.put(None)
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t1.join()
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t2.join()
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print('++', int(1e6 * ((time.time() - t0) / (1.0+X))), 'usec')
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