mirror of https://git.matrix.org/git/olm.git
47 lines
1.2 KiB
Python
Executable File
47 lines
1.2 KiB
Python
Executable File
#! /usr/bin/env python
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from time import time
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from curve25519 import Private
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count = 10000
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elapsed_get_public = 0.0
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elapsed_get_shared = 0.0
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def abbreviate_time(data):
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# 1.23s, 790ms, 132us
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if data is None:
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return ""
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s = float(data)
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if s >= 10:
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#return abbreviate.abbreviate_time(data)
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return "%d" % s
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if s >= 1.0:
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return "%.2fs" % s
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if s >= 0.01:
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return "%dms" % (1000*s)
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if s >= 0.001:
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return "%.1fms" % (1000*s)
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if s >= 0.000001:
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return "%.1fus" % (1000000*s)
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return "%dns" % (1000000000*s)
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def nohash(key): return key
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for i in range(count):
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p = Private()
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start = time()
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pub = p.get_public()
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elapsed_get_public += time() - start
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pub2 = Private().get_public()
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start = time()
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shared = p.get_shared_key(pub2) #, hashfunc=nohash)
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elapsed_get_shared += time() - start
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print("get_public: %s" % abbreviate_time(elapsed_get_public / count))
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print("get_shared: %s" % abbreviate_time(elapsed_get_shared / count))
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# these take about 560us-570us each (with the default compiler settings, -Os)
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# on my laptop, same with -O2
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# of which the python overhead is about 5us
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# and the get_shared_key() hash step adds about 5us
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