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89 lines
2.9 KiB
89 lines
2.9 KiB
4 months ago
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# It's intended that this script be run by hand. It runs speed tests on
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# hashlib functions; it does not test for correctness.
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import sys
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import time
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import hashlib
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def creatorFunc():
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raise RuntimeError("eek, creatorFunc not overridden")
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def test_scaled_msg(scale, name):
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iterations = 106201//scale * 20
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longStr = b'Z'*scale
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localCF = creatorFunc
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start = time.perf_counter()
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for f in range(iterations):
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x = localCF(longStr).digest()
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end = time.perf_counter()
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print(('%2.2f' % (end-start)), "seconds", iterations, "x", len(longStr), "bytes", name)
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def test_create():
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start = time.perf_counter()
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for f in range(20000):
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d = creatorFunc()
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end = time.perf_counter()
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print(('%2.2f' % (end-start)), "seconds", '[20000 creations]')
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def test_zero():
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start = time.perf_counter()
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for f in range(20000):
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x = creatorFunc().digest()
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end = time.perf_counter()
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print(('%2.2f' % (end-start)), "seconds", '[20000 "" digests]')
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hName = sys.argv[1]
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#
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# setup our creatorFunc to test the requested hash
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#
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if hName in ('_md5', '_sha'):
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exec('import '+hName)
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exec('creatorFunc = '+hName+'.new')
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print("testing speed of old", hName, "legacy interface")
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elif hName == '_hashlib' and len(sys.argv) > 3:
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import _hashlib
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exec('creatorFunc = _hashlib.%s' % sys.argv[2])
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print("testing speed of _hashlib.%s" % sys.argv[2], getattr(_hashlib, sys.argv[2]))
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elif hName == '_hashlib' and len(sys.argv) == 3:
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import _hashlib
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exec('creatorFunc = lambda x=_hashlib.new : x(%r)' % sys.argv[2])
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print("testing speed of _hashlib.new(%r)" % sys.argv[2])
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elif hasattr(hashlib, hName) and hasattr(getattr(hashlib, hName), '__call__'):
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creatorFunc = getattr(hashlib, hName)
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print("testing speed of hashlib."+hName, getattr(hashlib, hName))
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else:
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exec("creatorFunc = lambda x=hashlib.new : x(%r)" % hName)
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print("testing speed of hashlib.new(%r)" % hName)
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try:
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test_create()
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except ValueError:
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print()
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print("pass argument(s) naming the hash to run a speed test on:")
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print(" '_md5' and '_sha' test the legacy builtin md5 and sha")
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print(" '_hashlib' 'openssl_hName' 'fast' tests the builtin _hashlib")
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print(" '_hashlib' 'hName' tests builtin _hashlib.new(shaFOO)")
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print(" 'hName' tests the hashlib.hName() implementation if it exists")
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print(" otherwise it uses hashlib.new(hName).")
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print()
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raise
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test_zero()
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test_scaled_msg(scale=106201, name='[huge data]')
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test_scaled_msg(scale=10620, name='[large data]')
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test_scaled_msg(scale=1062, name='[medium data]')
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test_scaled_msg(scale=424, name='[4*small data]')
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test_scaled_msg(scale=336, name='[3*small data]')
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test_scaled_msg(scale=212, name='[2*small data]')
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test_scaled_msg(scale=106, name='[small data]')
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test_scaled_msg(scale=creatorFunc().digest_size, name='[digest_size data]')
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test_scaled_msg(scale=10, name='[tiny data]')
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