Message 163480 - Python tracker

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Author	serhiy.storchaka
Recipients	serhiy.storchaka
Date	2012-06-22.20:51:57
SpamBayes Score	-1.0
Marked as misclassified	Yes
Message-id	<1340398318.47.0.89388206382.issue15145@psf.upfronthosting.co.za>
In-reply-to

Content
Here is patch that speed up _find_max_char stringlib functions. Microbenchmarks: ./python -m timeit -s "s='A'20+'\x80'" "s[:-1]" ./python -m timeit -s "s='A'*20+'\U00010000'" "s[:-1]" Results on Intel Atom N570 @ 1.66GHz: vanilla patched 0.819 0.73 0.788 0.755

Here is patch that speed up *_find_max_char stringlib functions.

Microbenchmarks:

./python -m timeit -s "s='A'*20+'\x80'" "s[:-1]"
./python -m timeit -s "s='A'*20+'\U00010000'" "s[:-1]"

Results on Intel Atom N570 @ 1.66GHz:

vanilla  patched

 0.819    0.73
 0.788    0.755

History
Date	User	Action	Args
2012-06-22 20:51:58	serhiy.storchaka	set	recipients: + serhiy.storchaka
2012-06-22 20:51:58	serhiy.storchaka	set	messageid: <1340398318.47.0.89388206382.issue15145@psf.upfronthosting.co.za>
2012-06-22 20:51:57	serhiy.storchaka	link	issue15145 messages
2012-06-22 20:51:57	serhiy.storchaka	create