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Title: Issue 28618: Decorate hot functions using __attribute__((hot)) to optimize Python - Python tracker

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This issue has been migrated to GitHub: https://github.com/python/cpython/issues/72804 https://github.com/python/cpython/issues/72804
Titlehttp://docs.python.org/devguide/triaging.html#title
Typehttp://docs.python.org/devguide/triaging.html#type
Stagehttp://docs.python.org/devguide/triaging.html#stage
Componentshttp://docs.python.org/devguide/triaging.html#components
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Statushttp://docs.python.org/devguide/triaging.html#status
Resolutionhttp://docs.python.org/devguide/triaging.html#resolution
Dependencieshttp://docs.python.org/devguide/triaging.html#dependencies
Supersederhttp://docs.python.org/devguide/triaging.html#superseder
Assigned Tohttp://docs.python.org/devguide/triaging.html#assigned-to
Nosy Listhttp://docs.python.org/devguide/triaging.html#nosy-list
Priorityhttp://docs.python.org/devguide/triaging.html#priority
Keywordshttp://docs.python.org/devguide/triaging.html#keywords
hot_function.patchhttps://bugs.python.org/file45361/hot_function.patch
reviewhttps://bugs.python.org/review/28618/#ps19066
pgo.json.gzhttps://bugs.python.org/file45396/pgo.json.gz
patch.json.gzhttps://bugs.python.org/file45397/patch.json.gz
hot3.patchhttps://bugs.python.org/file45488/hot3.patch
reviewhttps://bugs.python.org/review/28618/#ps19167
msg280097https://bugs.python.org/issue28618#msg280097
(view)https://bugs.python.org/msg280097
83877018ef97https://hg.python.org/lookup/83877018ef97
3e073e7b4460https://hg.python.org/lookup/3e073e7b4460
http://speed.python.org/http://speed.python.org/
https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#Common-Function-Attributeshttps://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#Common-Function-Attributes
msg280105https://bugs.python.org/issue28618#msg280105
(view)https://bugs.python.org/msg280105
msg280106https://bugs.python.org/issue28618#msg280106
(view)https://bugs.python.org/msg280106
msg280108https://bugs.python.org/issue28618#msg280108
(view)https://bugs.python.org/msg280108
msg280115https://bugs.python.org/issue28618#msg280115
(view)https://bugs.python.org/msg280115
msg280116https://bugs.python.org/issue28618#msg280116
(view)https://bugs.python.org/msg280116
msg280125https://bugs.python.org/issue28618#msg280125
(view)https://bugs.python.org/msg280125
msg280126https://bugs.python.org/issue28618#msg280126
(view)https://bugs.python.org/msg280126
msg280350https://bugs.python.org/issue28618#msg280350
(view)https://bugs.python.org/msg280350
msg280556https://bugs.python.org/issue28618#msg280556
(view)https://bugs.python.org/msg280556
59b91b4e9506https://hg.python.org/lookup/59b91b4e9506
#28618https://bugs.python.org/issue28618
https://hg.python.org/cpython/rev/59b91b4e9506https://hg.python.org/cpython/rev/59b91b4e9506
msg280557https://bugs.python.org/issue28618#msg280557
(view)https://bugs.python.org/msg280557
83877018ef97https://hg.python.org/lookup/83877018ef97
https://llvmdevelopersmeetingbay2016.sched.org/event/8YzY/causes-of-performance-instability-due-to-code-placement-in-x86https://llvmdevelopersmeetingbay2016.sched.org/event/8YzY/causes-of-performance-instability-due-to-code-placement-in-x86
https://bugzilla.redhat.com/show_bug.cgi?id=613045https://bugzilla.redhat.com/show_bug.cgi?id=613045
msg280568https://bugs.python.org/issue28618#msg280568
(view)https://bugs.python.org/msg280568
msg280606https://bugs.python.org/issue28618#msg280606
(view)https://bugs.python.org/msg280606
59b91b4e9506https://hg.python.org/lookup/59b91b4e9506
59b91b4e9506https://hg.python.org/lookup/59b91b4e9506
https://speed.python.org/timeline/#/?exe=4&ben=json_loads&env=1&revs=50&equid=off&quarts=on&extr=onhttps://speed.python.org/timeline/#/?exe=4&ben=json_loads&env=1&revs=50&equid=off&quarts=on&extr=on
msg280607https://bugs.python.org/issue28618#msg280607
(view)https://bugs.python.org/msg280607
59b91b4e9506https://hg.python.org/lookup/59b91b4e9506
59b91b4e9506https://hg.python.org/lookup/59b91b4e9506
msg280675https://bugs.python.org/issue28618#msg280675
(view)https://bugs.python.org/msg280675
msg280679https://bugs.python.org/issue28618#msg280679
(view)https://bugs.python.org/msg280679
msg280748https://bugs.python.org/issue28618#msg280748
(view)https://bugs.python.org/msg280748
msg280764https://bugs.python.org/issue28618#msg280764
(view)https://bugs.python.org/msg280764
msg280831https://bugs.python.org/issue28618#msg280831
(view)https://bugs.python.org/msg280831
msg280832https://bugs.python.org/issue28618#msg280832
(view)https://bugs.python.org/msg280832
msg280844https://bugs.python.org/issue28618#msg280844
(view)https://bugs.python.org/msg280844
cfc956f13ce2https://hg.python.org/lookup/cfc956f13ce2
#28618https://bugs.python.org/issue28618
https://hg.python.org/cpython/rev/cfc956f13ce2https://hg.python.org/cpython/rev/cfc956f13ce2
msg280845https://bugs.python.org/issue28618#msg280845
(view)https://bugs.python.org/msg280845
msg280846https://bugs.python.org/issue28618#msg280846
(view)https://bugs.python.org/msg280846
msg280849https://bugs.python.org/issue28618#msg280849
(view)https://bugs.python.org/msg280849
8ebaa546a033https://hg.python.org/lookup/8ebaa546a033
0bd618fe0639https://hg.python.org/lookup/0bd618fe0639
8ebaa546a033https://hg.python.org/lookup/8ebaa546a033
573bc1f9900ehttps://hg.python.org/lookup/573bc1f9900e
cf7711887b4ahttps://hg.python.org/lookup/cf7711887b4a
8ebaa546a033https://hg.python.org/lookup/8ebaa546a033
msg280853https://bugs.python.org/issue28618#msg280853
(view)https://bugs.python.org/msg280853
msg280859https://bugs.python.org/issue28618#msg280859
(view)https://bugs.python.org/msg280859
cfc956f13ce2https://hg.python.org/lookup/cfc956f13ce2
#28618https://bugs.python.org/issue28618
https://hg.python.org/cpython/rev/cfc956f13ce2https://hg.python.org/cpython/rev/cfc956f13ce2
msg280860https://bugs.python.org/issue28618#msg280860
(view)https://bugs.python.org/msg280860
msg281459https://bugs.python.org/issue28618#msg281459
(view)https://bugs.python.org/msg281459
https://haypo.github.io/analysis-python-performance-issue.htmlhttps://haypo.github.io/analysis-python-performance-issue.html
acde821520fchttps://hg.python.org/lookup/acde821520fc
2a14385710dchttps://hg.python.org/lookup/2a14385710dc
msg281463https://bugs.python.org/issue28618#msg281463
(view)https://bugs.python.org/msg281463
msg281466https://bugs.python.org/issue28618#msg281466
(view)https://bugs.python.org/msg281466
msg281467https://bugs.python.org/issue28618#msg281467
(view)https://bugs.python.org/msg281467
msg281473https://bugs.python.org/issue28618#msg281473
(view)https://bugs.python.org/msg281473
msg281477https://bugs.python.org/issue28618#msg281477
(view)https://bugs.python.org/msg281477
msg286662https://bugs.python.org/issue28618#msg286662
(view)https://bugs.python.org/msg286662
https://haypo.github.io/analysis-python-performance-issue.htmlhttps://haypo.github.io/analysis-python-performance-issue.html
jceahttps://bugs.python.org/user415
msg286662https://bugs.python.org/msg286662
msg281477https://bugs.python.org/msg281477
msg281473https://bugs.python.org/msg281473
msg281467https://bugs.python.org/msg281467
msg281466https://bugs.python.org/msg281466
msg281463https://bugs.python.org/msg281463
msg281459https://bugs.python.org/msg281459
msg280860https://bugs.python.org/msg280860
msg280859https://bugs.python.org/msg280859
msg280853https://bugs.python.org/msg280853
msg280849https://bugs.python.org/msg280849
hot3.patchhttps://bugs.python.org/file45488
msg280846https://bugs.python.org/msg280846
msg280845https://bugs.python.org/msg280845
msg280844https://bugs.python.org/msg280844
msg280832https://bugs.python.org/msg280832
msg280831https://bugs.python.org/msg280831
msg280764https://bugs.python.org/msg280764
methanehttps://bugs.python.org/user10371
msg280748https://bugs.python.org/msg280748
msg280679https://bugs.python.org/msg280679
yselivanovhttps://bugs.python.org/user16198
msg280675https://bugs.python.org/msg280675
msg280607https://bugs.python.org/msg280607
msg280606https://bugs.python.org/msg280606
msg280568https://bugs.python.org/msg280568
msg280557https://bugs.python.org/msg280557
python-devhttps://bugs.python.org/user13902
msg280556https://bugs.python.org/msg280556
patch.json.gzhttps://bugs.python.org/file45397
pgo.json.gzhttps://bugs.python.org/file45396
msg280350https://bugs.python.org/msg280350
msg280126https://bugs.python.org/msg280126
msg280125https://bugs.python.org/msg280125
serhiy.storchakahttps://bugs.python.org/user15623
msg280116https://bugs.python.org/msg280116
msg280115https://bugs.python.org/msg280115
pitrouhttps://bugs.python.org/user2040
msg280108https://bugs.python.org/msg280108
msg280106https://bugs.python.org/msg280106
msg280105https://bugs.python.org/msg280105
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