Created
January 14, 2019 10:15
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test
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import time | |
def speed_test(func): | |
def wrapper(*args, **kwargs): | |
t1 = time.time() | |
for x in xrange(5000): | |
results = func(*args, **kwargs) | |
t2 = time.time() | |
print '%s took %0.3f ms' % (func.func_name, (t2-t1)*1000.0) | |
return results | |
return wrapper | |
@speed_test | |
def compare_bitwise(x, y): | |
set_x = frozenset(x) | |
set_y = frozenset(y) | |
return set_x & set_y | |
@speed_test | |
def compare_listcomp(x, y): | |
return [i for i, j in zip(x, y) if i == j] | |
@speed_test | |
def compare_intersect(x, y): | |
return frozenset(x).intersection(y) | |
# Comparing short lists | |
a = [1, 2, 3, 4, 5] | |
b = [9, 8, 7, 6, 5] | |
compare_bitwise(a, b) | |
compare_listcomp(a, b) | |
compare_intersect(a, b) | |
# Comparing longer lists | |
import random | |
a = random.sample(xrange(100000), 10000) | |
b = random.sample(xrange(100000), 10000) | |
compare_bitwise(a, b) | |
compare_listcomp(a, b) | |
compare_intersect(a, b) |
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