Message 174772 - Python tracker

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Author	serhiy.storchaka
Recipients	barry, brett.cannon, ezio.melotti, ncoghlan, pitrou, pjenvey, rhettinger, serhiy.storchaka, zzzeek
Date	2012-11-04.10:19:31
SpamBayes Score	-1.0
Marked as misclassified	Yes
Message-id	<1352024372.49.0.793549848386.issue16389@psf.upfronthosting.co.za>
In-reply-to

Content
Here is a patch which reverts 3.1 implementation (and adds some optimization). Microbenchmark: $ ./python -m timeit -s "import re" "re._compile('', 0)" Results: 3.1: 1.45 usec per loop 3.2: 4.45 usec per loop 3.3: 9.91 usec per loop 3.4patched: 0.89 usec per loop

Here is a patch which reverts 3.1 implementation (and adds some optimization).

Microbenchmark:
$ ./python -m timeit -s "import re"  "re._compile('', 0)"

Results:
3.1: 1.45 usec per loop
3.2: 4.45 usec per loop
3.3: 9.91 usec per loop
3.4patched: 0.89 usec per loop

History
Date	User	Action	Args
2012-11-04 10:19:32	serhiy.storchaka	set	recipients: + serhiy.storchaka, barry, brett.cannon, rhettinger, ncoghlan, pitrou, pjenvey, ezio.melotti, zzzeek
2012-11-04 10:19:32	serhiy.storchaka	set	messageid: <1352024372.49.0.793549848386.issue16389@psf.upfronthosting.co.za>
2012-11-04 10:19:32	serhiy.storchaka	link	issue16389 messages
2012-11-04 10:19:32	serhiy.storchaka	create