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o(n*n) marshal.dumps performance for largish objects with patch #46125

Description

@aaronwatters
BPO 1792
Nosy @akuchling, @rhettinger, @facundobatista, @tiran
PRs
  • bpo-17972: Document findsource in inspect.rst #6992
  • Files
  • marshal.diff: proposed patch to improve dumps performance
  • unnamed
  • unnamed
  • marshal_limited.diff: same idea but with a limit
  • 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 2008-05-11.13:35:09.684>
    created_at = <Date 2008-01-11.14:21:24.791>
    labels = ['interpreter-core', 'easy', 'performance']
    title = 'o(n*n) marshal.dumps performance for largish objects with patch'
    updated_at = <Date 2018-05-19.22:31:14.896>
    user = 'https://bugs.python.org/aaronwatters'

    bugs.python.org fields:

    activity = <Date 2018-05-19.22:31:14.896>
    actor = 'mbussonn'
    assignee = 'none'
    closed = True
    closed_date = <Date 2008-05-11.13:35:09.684>
    closer = 'akuchling'
    components = ['Interpreter Core']
    creation = <Date 2008-01-11.14:21:24.791>
    creator = 'aaron_watters'
    dependencies = []
    files = ['9122', '9124', '9125', '9285']
    hgrepos = []
    issue_num = 1792
    keywords = ['patch', 'easy']
    message_count = 10.0
    messages = ['59710', '59711', '59715', '59719', '59730', '60179', '61686', '66560', '66629', '68255']
    nosy_count = 6.0
    nosy_names = ['akuchling', 'rhettinger', 'facundobatista', 'djmitche', 'christian.heimes', 'aaron_watters']
    pr_nums = ['6992']
    priority = 'high'
    resolution = 'accepted'
    stage = None
    status = 'closed'
    superseder = None
    type = 'performance'
    url = 'https://bugs.python.org/issue1792'
    versions = ['Python 2.6']

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      easyinterpreter-core(Objects, Python, Grammar, and Parser dirs)performancePerformance or resource usage

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