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Issue #4677: add two list comprehension tests to pybench.

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This commit is contained in:
Antoine Pitrou 2008-12-27 20:34:52 +00:00
parent 1ffbfbc566
commit e555f581dc
2 changed files with 60 additions and 0 deletions
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5
Misc/NEWS
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@ -190,6 +190,11 @@ Library
- Issue #4730: Fixed the cPickle module to handle correctly astral characters - Issue #4730: Fixed the cPickle module to handle correctly astral characters
when protocol 0 is used. when protocol 0 is used.
Tools/Demos
-----------
- Issue #4677: add two list comprehension tests to pybench.
Build Build
----- -----

55
Tools/pybench/Lists.py
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@ -293,3 +293,58 @@ class SmallLists(Test):
for i in xrange(self.rounds): for i in xrange(self.rounds):
pass pass
class SimpleListComprehensions(Test):
version = 2.0
operations = 6
rounds = 20000
def test(self):
n = range(10) * 10
for i in xrange(self.rounds):
l = [x for x in n]
l = [x for x in n if x]
l = [x for x in n if not x]
l = [x for x in n]
l = [x for x in n if x]
l = [x for x in n if not x]
def calibrate(self):
n = range(10) * 10
for i in xrange(self.rounds):
pass
class NestedListComprehensions(Test):
version = 2.0
operations = 6
rounds = 20000
def test(self):
m = range(10)
n = range(10)
for i in xrange(self.rounds):
l = [x for x in n for y in m]
l = [y for x in n for y in m]
l = [x for x in n for y in m if y]
l = [y for x in n for y in m if x]
l = [x for x in n for y in m if not y]
l = [y for x in n for y in m if not x]
def calibrate(self):
m = range(10)
n = range(10)
for i in xrange(self.rounds):
pass