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Investigate slow writes to class variables #80193

@rhettinger

Description

@rhettinger
BPO 36012
Nosy @nascheme, @rhettinger, @scoder, @pablogsal, @0xYasser
PRs
  • bpo-36012: Avoid linear slot search when it's easy to know that we are not looking for a slot name #11907
  • Files
  • perf-screenshot.png
  • 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 2019-02-20.17:29:55.708>
    created_at = <Date 2019-02-16.20:15:18.382>
    labels = ['interpreter-core', '3.8', 'performance']
    title = 'Investigate slow writes to class variables'
    updated_at = <Date 2019-02-20.17:29:55.707>
    user = 'https://github.com/rhettinger'

    bugs.python.org fields:

    activity = <Date 2019-02-20.17:29:55.707>
    actor = 'rhettinger'
    assignee = 'none'
    closed = True
    closed_date = <Date 2019-02-20.17:29:55.708>
    closer = 'rhettinger'
    components = ['Interpreter Core']
    creation = <Date 2019-02-16.20:15:18.382>
    creator = 'rhettinger'
    dependencies = []
    files = ['48157']
    hgrepos = []
    issue_num = 36012
    keywords = ['patch']
    message_count = 11.0
    messages = ['335714', '335733', '335747', '335763', '335776', '335794', '335795', '335992', '335995', '336031', '336129']
    nosy_count = 5.0
    nosy_names = ['nascheme', 'rhettinger', 'scoder', 'pablogsal', 'Yasser Alshalaan']
    pr_nums = ['11907']
    priority = 'low'
    resolution = 'fixed'
    stage = 'resolved'
    status = 'closed'
    superseder = None
    type = 'performance'
    url = 'https://bugs.python.org/issue36012'
    versions = ['Python 3.8']

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

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