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Reduce the number of comparisons for range checking. #67741

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Description

@rhettinger
Issue body actions
BPO 23553
Nosy @rhettinger, @pitrou, @serhiy-storchaka
Files
  • size_t.diff: Fix deque casts
  • bounds_check_list.diff: Faster bounds checking for lists.
  • bounds_check_deque.diff: Faster bounds checking for deques
  • valid_index.diff: Isolate the technique in an in-lineable function call
  • 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 2015-03-01.00:50:38.601>
    labels = ['interpreter-core', 'performance']
    title = 'Reduce the number of comparisons for range checking.'
    updated_at = <Date 2015-03-02.04:13:50.021>
    user = 'https://github.com/rhettinger'

    bugs.python.org fields:

    activity = <Date 2015-03-02.04:13:50.021>
    actor = 'rhettinger'
    assignee = 'none'
    closed = False
    closed_date = None
    closer = None
    components = ['Interpreter Core']
    creation = <Date 2015-03-01.00:50:38.601>
    creator = 'rhettinger'
    dependencies = []
    files = ['38281', '38282', '38283', '38293']
    hgrepos = []
    issue_num = 23553
    keywords = ['patch']
    message_count = 13.0
    messages = ['236928', '236931', '236933', '236934', '236935', '236938', '236939', '236940', '236942', '236945', '236946', '236948', '237011']
    nosy_count = 5.0
    nosy_names = ['rhettinger', 'pitrou', 'Arfrever', 'python-dev', 'serhiy.storchaka']
    pr_nums = []
    priority = 'normal'
    resolution = None
    stage = None
    status = 'open'
    superseder = None
    type = 'performance'
    url = 'https://bugs.python.org/issue23553'
    versions = ['Python 3.5']

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      interpreter-core(Objects, Python, Grammar, and Parser dirs)(Objects, Python, Grammar, and Parser dirs)pendingThe issue will be closed if no feedback is providedThe issue will be closed if no feedback is providedperformancePerformance or resource usagePerformance or resource usage
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