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Drop the GIL during large bytes.join operations? #80232

@bmerry

Description

@bmerry
mannequin
BPO 36051
Nosy @smontanaro, @pitrou, @methane, @serhiy-storchaka, @MojoVampire, @remilapeyre, @isidentical, @bmerry
PRs
  • bpo-36051: drop GIL during large b''.join operations #17757
  • bpo-36051: Fix compiler warning. #18325
  • Files
  • old.csv: Benchmark results for trunk
  • new.csv: Benchmark results when unconditionally dropping the GIL
  • benchjoin.py: Benchmark script for join
  • benchjoin2.py
  • join.diff
  • 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 = None
    closed_at = <Date 2020-02-03.10:04:15.010>
    created_at = <Date 2019-02-20.13:00:54.784>
    labels = ['interpreter-core', '3.9', 'performance']
    title = 'Drop the GIL during large bytes.join operations?'
    updated_at = <Date 2020-02-03.10:04:15.010>
    user = 'https://github.com/bmerry'

    bugs.python.org fields:

    activity = <Date 2020-02-03.10:04:15.010>
    actor = 'methane'
    assignee = 'none'
    closed = True
    closed_date = <Date 2020-02-03.10:04:15.010>
    closer = 'methane'
    components = ['Interpreter Core']
    creation = <Date 2019-02-20.13:00:54.784>
    creator = 'bmerry'
    dependencies = []
    files = ['48811', '48812', '48813', '48816', '48873']
    hgrepos = []
    issue_num = 36051
    keywords = ['patch']
    message_count = 21.0
    messages = ['336082', '358783', '358784', '358800', '358803', '359084', '359097', '359102', '359105', '359108', '359110', '359111', '359182', '359193', '359225', '359328', '359347', '360108', '360938', '361075', '361276']
    nosy_count = 8.0
    nosy_names = ['skip.montanaro', 'pitrou', 'methane', 'serhiy.storchaka', 'josh.r', 'remi.lapeyre', 'BTaskaya', 'bmerry']
    pr_nums = ['17757', '18325']
    priority = 'normal'
    resolution = 'fixed'
    stage = 'resolved'
    status = 'closed'
    superseder = None
    type = 'performance'
    url = 'https://bugs.python.org/issue36051'
    versions = ['Python 3.9']

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      3.9 (EOL)end of lifeinterpreter-core(Objects, Python, Grammar, and Parser dirs)performancePerformance or resource usage
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