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sum() several times slower on Python 3 64-bit #68264

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Labels
interpreter-core(Objects, Python, Grammar, and Parser dirs)performancePerformance or resource usagetype-featureA feature request or enhancement
@ambv

Description

@ambv
BPO24076
Nosy@gvanrossum,@rhettinger,@mdickinson,@scoder,@stevendaprano,@ambv,@serhiy-storchaka,@pablogsal
PRs
  • bpo-24076: Inline single digit unpacking in the integer fastpath of sum() #28469
  • bpo-24076: Fix reference in sum() introduced by GH-28469 #28493
  • Files
  • pylong_freelist.patch
  • unpack_single_digits.patch
  • Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.

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    GitHub fields:

    assignee=Noneclosed_at=<Date2021-09-21.11:22:53.873>created_at=<Date2015-04-29.18:36:58.330>labels= ['interpreter-core','3.11','performance']title='sum() several times slower on Python 3 64-bit'updated_at=<Date2021-09-22.10:30:16.952>user='https://github.com/ambv'

    bugs.python.org fields:

    activity=<Date2021-09-22.10:30:16.952>actor='pablogsal'assignee='none'closed=Trueclosed_date=<Date2021-09-21.11:22:53.873>closer='scoder'components= ['Interpreter Core']creation=<Date2015-04-29.18:36:58.330>creator='lukasz.langa'dependencies= []files= ['39245','47748']hgrepos= []issue_num=24076keywords= ['patch']message_count=35.0messages= ['242238','242241','242242','242243','242244','242259','242260','242262','242294','242300','242302','242310','242357','242914','323443','402136','402201','402210','402281','402282','402285','402286','402295','402298','402302','402306','402310','402313','402315','402325','402326','402328','402334','402410','402421']nosy_count=8.0nosy_names= ['gvanrossum','rhettinger','mark.dickinson','scoder','steven.daprano','lukasz.langa','serhiy.storchaka','pablogsal']pr_nums= ['28469','28493']priority='normal'resolution='fixed'stage='resolved'status='closed'superseder=Nonetype='performance'url='https://bugs.python.org/issue24076'versions= ['Python 3.11']

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