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Speedup DefaultSelectors.modify() by 2x #74200

Description

@giampaolo
BPO 30014
Nosy @vstinner, @giampaolo, @asvetlov, @1st1
PRs
  • bpo-30014: make poll-like selector's modify() method faster #1030
  • Files
  • selectors_modify.diff
  • bench.py
  • bench_selectors_modify.py
  • echo_server.py
  • echo_client.py
  • 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 2017-12-20.20:36:49.970>
    created_at = <Date 2017-04-07.10:40:07.361>
    labels = ['3.7', 'expert-asyncio', 'library', 'performance']
    title = 'Speedup DefaultSelectors.modify() by 2x'
    updated_at = <Date 2017-12-20.20:36:49.968>
    user = 'https://github.com/giampaolo'

    bugs.python.org fields:

    activity = <Date 2017-12-20.20:36:49.968>
    actor = 'asvetlov'
    assignee = 'none'
    closed = True
    closed_date = <Date 2017-12-20.20:36:49.970>
    closer = 'asvetlov'
    components = ['Library (Lib)', 'asyncio']
    creation = <Date 2017-04-07.10:40:07.361>
    creator = 'giampaolo.rodola'
    dependencies = []
    files = ['46787', '46788', '46789', '46792', '46793']
    hgrepos = []
    issue_num = 30014
    keywords = ['patch']
    message_count = 22.0
    messages = ['291261', '291264', '291265', '291266', '291267', '291268', '291269', '291270', '291271', '291272', '291273', '291274', '291280', '291282', '291286', '291306', '291340', '292586', '292602', '295338', '295564', '308807']
    nosy_count = 5.0
    nosy_names = ['vstinner', 'giampaolo.rodola', 'asvetlov', 'neologix', 'yselivanov']
    pr_nums = ['1030']
    priority = 'normal'
    resolution = 'fixed'
    stage = 'resolved'
    status = 'closed'
    superseder = None
    type = 'performance'
    url = 'https://bugs.python.org/issue30014'
    versions = ['Python 3.7']

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      3.7 (EOL)end of lifeperformancePerformance or resource usagestdlibStandard Library Python modules in the Lib/ directorytopic-asyncio

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