Issue 22510: Faster bypass re cache when DEBUG is passed
Issue22510
Created on 2014-09-28 13:43 by serhiy.storchaka, last changed 2022-04-11 14:58 by admin. This issue is now closed.
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| File name | Uploaded | Description | Edit | |
| re_debug_cache_faster.patch | serhiy.storchaka, 2014-09-28 13:43 | review | ||
| Messages (3) | |||
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| msg227758 - (view) | Author: Serhiy Storchaka (serhiy.storchaka) *  |
Date: 2014-09-28 13:43 | |
Here is a patch which gets rid of small performance regression introduced by issue20426 patch. No need to check flags before cache lookup because patterns with the DEBUG flag are newer cached. $ ./python -m timeit -s "import re" -- "re.match('', '')" Before patch: 9.08 usec per loop After patch: 8 usec per loop |
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| msg227801 - (view) | Author: Roundup Robot (python-dev)  |
Date: 2014-09-29 15:14 | |
New changeset 565096a32ce4 by Serhiy Storchaka in branch 'default': Issue #22510: Get rid of little overhead of testing re.DEBUG flag. https://hg.python.org/cpython/rev/565096a32ce4 |
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| msg227810 - (view) | Author: Serhiy Storchaka (serhiy.storchaka) * |
Date: 2014-09-29 17:02 | |
Thank you Antoine for your review. |
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| History | |||
|---|---|---|---|
| Date | User | Action | Args |
| 2022-04-11 14:58:08 | admin | set | github: 66700 |
| 2014-09-29 17:02:10 | serhiy.storchaka | set | status: open -> closed resolution: fixed messages: + msg227810 stage: patch review -> resolved |
| 2014-09-29 15:14:32 | python-dev | set | nosy:
+ python-dev messages: + msg227801 |
| 2014-09-28 13:43:11 | serhiy.storchaka | create | |