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zipimport is a bit slow #52991

@Goplat

Description

@Goplat
mannequin
BPO 8745
Nosy @brettcannon, @rhettinger, @ericsnowcurrently, @serhiy-storchaka
Files
  • zipimport_speedup.patch: patch to read .zip's central directory sequentially
  • zipimport_speedup-v2.patch
  • attempt-fseek-seek_cur.patch
  • zipimport-speedup-v3.patch
  • zipimport-speedup-v4.patch
  • zipimport-speedup-v4.patch: Converted from UTF-16 CRLF
  • 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/serhiy-storchaka'
    closed_at = <Date 2013-02-16.21:54:44.637>
    created_at = <Date 2010-05-18.06:08:09.415>
    labels = ['interpreter-core', 'performance']
    title = 'zipimport is a bit slow'
    updated_at = <Date 2013-02-16.21:54:44.635>
    user = 'https://bugs.python.org/Goplat'

    bugs.python.org fields:

    activity = <Date 2013-02-16.21:54:44.635>
    actor = 'serhiy.storchaka'
    assignee = 'serhiy.storchaka'
    closed = True
    closed_date = <Date 2013-02-16.21:54:44.637>
    closer = 'serhiy.storchaka'
    components = ['Interpreter Core']
    creation = <Date 2010-05-18.06:08:09.415>
    creator = 'Goplat'
    dependencies = []
    files = ['17387', '25823', '28116', '28117', '28599', '28612']
    hgrepos = []
    issue_num = 8745
    keywords = ['patch']
    message_count = 14.0
    messages = ['105954', '105960', '106191', '162300', '174934', '176367', '176376', '178602', '178828', '179226', '179268', '180312', '182230', '182241']
    nosy_count = 8.0
    nosy_names = ['brett.cannon', 'rhettinger', 'ysj.ray', 'Goplat', 'catalin.iacob', 'python-dev', 'eric.snow', 'serhiy.storchaka']
    pr_nums = []
    priority = 'normal'
    resolution = 'fixed'
    stage = 'resolved'
    status = 'closed'
    superseder = None
    type = 'performance'
    url = 'https://bugs.python.org/issue8745'
    versions = ['Python 3.4']

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

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