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73 lines
1.5 KiB
73 lines
1.5 KiB
13 years ago
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from pyutil import benchutil
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import hashlib
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import os
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from decimal import Decimal
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D=Decimal
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p1 = 'a'*32
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p1a = 'a'*32
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p2 = 'a'*31+'b' # close, but no cigar
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p3 = 'b'*32 # different in the first byte
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def compare(n, f, a, b):
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for i in xrange(n):
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f(a, b)
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def eqeq(a, b):
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return a == b
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def equalsequals_s(n):
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# return compare(n, eqeq,
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for i in xrange(n):
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p1 == p1a
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def equalsequals_c(n):
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for i in xrange(n):
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p1 == p2
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def equalsequals_f(n):
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for i in xrange(n):
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p1 == p3
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def hash_s(n):
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for i in xrange(n):
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salt = os.urandom(32)
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hashlib.md5(salt+ p1).digest() == hashlib.md5(salt+p1a).digest()
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def hash_c(n):
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for i in xrange(n):
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salt = os.urandom(32)
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hashlib.md5(salt+ p1).digest() == hashlib.md5(salt+p2).digest()
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def hash_f(n):
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for i in xrange(n):
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salt = os.urandom(32)
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hashlib.md5(salt+ p1).digest() == hashlib.md5(salt+p3).digest()
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N=10**4
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REPS=10**2
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print "using '=='"
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print "same"
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benchutil.rep_bench(equalsequals_s, N, UNITS_PER_SECOND=10**9, MAXREPS=REPS)
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print "close"
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benchutil.rep_bench(equalsequals_c, N, UNITS_PER_SECOND=10**9, MAXREPS=REPS)
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print "far"
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benchutil.rep_bench(equalsequals_f, N, UNITS_PER_SECOND=10**9, MAXREPS=REPS)
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print "using hash"
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print "same"
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benchutil.rep_bench(hash_s, N, UNITS_PER_SECOND=10**9, MAXREPS=REPS)
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print "far"
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benchutil.rep_bench(hash_f, N, UNITS_PER_SECOND=10**9, MAXREPS=REPS)
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print "close"
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benchutil.rep_bench(hash_c, N, UNITS_PER_SECOND=10**9, MAXREPS=REPS)
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