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PyObject_Free is O(N) where N = # of arenas #81210

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@methane

Description

@methane
BPO 37029
Nosy @tim-one, @methane, @friedelwolff
PRs
  • bpo-37029: keep usable_arenas in sorted order without searching #13612
  • Files
  • arena.py: Big test case - needs over 80GB of RAM
  • result.txt
  • free_arenas.txt: output with 2x and 4x strings
  • 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 = 'https://github.com/tim-one'
    closed_at = <Date 2019-06-01.02:19:40.540>
    created_at = <Date 2019-05-24.05:33:57.956>
    labels = ['interpreter-core', '3.8', 'performance']
    title = 'PyObject_Free is O(N) where N = # of arenas'
    updated_at = <Date 2019-06-03.20:51:08.950>
    user = 'https://github.com/methane'

    bugs.python.org fields:

    activity = <Date 2019-06-03.20:51:08.950>
    actor = 'tim.peters'
    assignee = 'tim.peters'
    closed = True
    closed_date = <Date 2019-06-01.02:19:40.540>
    closer = 'tim.peters'
    components = ['Interpreter Core']
    creation = <Date 2019-05-24.05:33:57.956>
    creator = 'methane'
    dependencies = []
    files = ['48378', '48382', '48385']
    hgrepos = []
    issue_num = 37029
    keywords = ['patch']
    message_count = 8.0
    messages = ['343344', '343734', '344024', '344082', '344083', '344141', '344383', '344474']
    nosy_count = 3.0
    nosy_names = ['tim.peters', 'methane', 'fwolff']
    pr_nums = ['13612']
    priority = 'normal'
    resolution = 'fixed'
    stage = 'resolved'
    status = 'closed'
    superseder = None
    type = 'performance'
    url = 'https://bugs.python.org/issue37029'
    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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