From 24740f22c59c3bcafa7b2c1f2ec997e4e14f3615 Mon Sep 17 00:00:00 2001 From: Sebastian Thiel Date: Wed, 14 Jul 2010 14:27:27 +0200 Subject: Added performance test to compare inst.__class__() vs type(inst)() class. The first one is faster, although I would have expected the latter one to be faster --- test/git/performance/test_utils.py | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) (limited to 'test/git/performance/test_utils.py') diff --git a/test/git/performance/test_utils.py b/test/git/performance/test_utils.py index 16100f8b..19c1e84a 100644 --- a/test/git/performance/test_utils.py +++ b/test/git/performance/test_utils.py @@ -151,3 +151,24 @@ class TestUtilPerformance(TestBigRepoR): print >> sys.stderr, "Iterated %i items from iterator in %f s ( %f acc / s)" % (ni, elapsed, ni / elapsed) # END for each number of iterations + def test_type_vs_inst_class(self): + class NewType(object): + pass + + # lets see which way is faster + inst = NewType() + + ni = 1000000 + st = time() + for i in xrange(ni): + inst.__class__() + # END for each item + elapsed = time() - st + print >> sys.stderr, "Created %i items using inst.__class__ in %f s ( %f items / s)" % (ni, elapsed, ni / elapsed) + + st = time() + for i in xrange(ni): + type(inst)() + # END for each item + elapsed = time() - st + print >> sys.stderr, "Created %i items using type(inst)() in %f s ( %f items / s)" % (ni, elapsed, ni / elapsed) -- cgit v1.2.1