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recursive call within generator expression is O(depth) #84406

Description

@bulaiden
mannequin
BPO 40225
Nosy @rhettinger, @markshannon, @serhiy-storchaka, @remilapeyre, @bulaiden
PRs
  • bpo-40225: Don't raise an exception on normal return from generator. #19473
  • Files
  • maxbug.py: code and benchmarks
  • maxbug2.py
  • consumerbug.py
  • 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 = None
    created_at = <Date 2020-04-08.12:10:27.397>
    labels = ['3.7', 'library', 'performance']
    title = 'recursive call within generator expression is O(depth)'
    updated_at = <Date 2020-04-11.12:09:29.711>
    user = 'https://github.com/bulaiden'

    bugs.python.org fields:

    activity = <Date 2020-04-11.12:09:29.711>
    actor = 'Mark.Shannon'
    assignee = 'none'
    closed = False
    closed_date = None
    closer = None
    components = ['Library (Lib)']
    creation = <Date 2020-04-08.12:10:27.397>
    creator = 'brendon-zhang@hotmail.com'
    dependencies = []
    files = ['49043', '49044', '49047']
    hgrepos = []
    issue_num = 40225
    keywords = ['patch']
    message_count = 15.0
    messages = ['365978', '365979', '365981', '365983', '365984', '366040', '366041', '366048', '366049', '366050', '366051', '366052', '366053', '366200', '366204']
    nosy_count = 5.0
    nosy_names = ['rhettinger', 'Mark.Shannon', 'serhiy.storchaka', 'remi.lapeyre', 'brendon-zhang@hotmail.com']
    pr_nums = ['19473']
    priority = 'normal'
    resolution = None
    stage = 'patch review'
    status = 'open'
    superseder = None
    type = 'performance'
    url = 'https://bugs.python.org/issue40225'
    versions = ['Python 3.7']

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      3.7 (EOL)end of lifeperformancePerformance or resource usagestdlibStandard Library Python modules in the Lib/ directory

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