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Optimize pymalloc for non PGO build #81724

@methane

Description

@methane
BPO 37543
Nosy @tim-one, @methane
PRs
  • bpo-37543: optimize pymalloc #14674
  • bpo-37732 : Fix unintialized pointer warning in Objects/obmalloc.c #15309
  • 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 2019-07-17.12:24:34.174>
    created_at = <Date 2019-07-10.10:59:54.080>
    labels = ['interpreter-core', '3.9', 'performance']
    title = 'Optimize pymalloc for non PGO build'
    updated_at = <Date 2019-08-18.10:11:20.109>
    user = 'https://github.com/methane'

    bugs.python.org fields:

    activity = <Date 2019-08-18.10:11:20.109>
    actor = 'hansrajdas'
    assignee = 'none'
    closed = True
    closed_date = <Date 2019-07-17.12:24:34.174>
    closer = 'methane'
    components = ['Interpreter Core']
    creation = <Date 2019-07-10.10:59:54.080>
    creator = 'methane'
    dependencies = []
    files = []
    hgrepos = []
    issue_num = 37543
    keywords = ['patch']
    message_count = 2.0
    messages = ['347615', '348057']
    nosy_count = 2.0
    nosy_names = ['tim.peters', 'methane']
    pr_nums = ['14674', '15309']
    priority = 'normal'
    resolution = 'fixed'
    stage = 'resolved'
    status = 'closed'
    superseder = None
    type = 'performance'
    url = 'https://bugs.python.org/issue37543'
    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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