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array compare is hideously slow #68888

@swanson

Description

@swanson
mannequin
BPO 24700
Nosy @rhettinger, @pitrou, @MojoVampire, @adrian17, @lou1306
PRs
  • bpo-24700: Add a fast path for comparing array.array of equal type #3009
  • Files
  • subclass_test.py: Testing comparison with subclassed array
  • 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 2017-08-17.12:46:35.899>
    created_at = <Date 2015-07-23.23:01:14.149>
    labels = ['3.7', 'library', 'performance']
    title = 'array compare is hideously slow'
    updated_at = <Date 2017-08-17.12:46:35.898>
    user = 'https://bugs.python.org/swanson'

    bugs.python.org fields:

    activity = <Date 2017-08-17.12:46:35.898>
    actor = 'pitrou'
    assignee = 'none'
    closed = True
    closed_date = <Date 2017-08-17.12:46:35.899>
    closer = 'pitrou'
    components = ['Library (Lib)']
    creation = <Date 2015-07-23.23:01:14.149>
    creator = 'swanson'
    dependencies = []
    files = ['46675']
    hgrepos = []
    issue_num = 24700
    keywords = []
    message_count = 8.0
    messages = ['247234', '247236', '288661', '299811', '299860', '299900', '300415', '300416']
    nosy_count = 6.0
    nosy_names = ['rhettinger', 'pitrou', 'josh.r', 'swanson', 'Adrian Wielgosik', 'lou1306']
    pr_nums = ['3009']
    priority = 'normal'
    resolution = 'fixed'
    stage = 'resolved'
    status = 'closed'
    superseder = None
    type = 'performance'
    url = 'https://bugs.python.org/issue24700'
    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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