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dict creation performance regression #60669

@phihag

Description

@phihag
mannequin
BPO 16465
Nosy @tim-one, @rhettinger, @jcea, @pitrou, @vstinner, @tiran, @benjaminp, @asvetlov, @serhiy-storchaka, @MojoVampire
Superseder
  • bpo-23601: use small object allocator for dict key storage
  • Files
  • dict_free_key_list.patch: Patch for using the free list for keys
  • 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 2016-03-11.13:02:04.158>
    created_at = <Date 2012-11-13.16:19:04.141>
    labels = ['interpreter-core', 'performance']
    title = 'dict creation performance regression'
    updated_at = <Date 2016-03-11.15:33:52.236>
    user = 'https://bugs.python.org/phihag'

    bugs.python.org fields:

    activity = <Date 2016-03-11.15:33:52.236>
    actor = 'vstinner'
    assignee = 'serhiy.storchaka'
    closed = True
    closed_date = <Date 2016-03-11.13:02:04.158>
    closer = 'serhiy.storchaka'
    components = ['Interpreter Core']
    creation = <Date 2012-11-13.16:19:04.141>
    creator = 'phihag'
    dependencies = []
    files = ['27983']
    hgrepos = []
    issue_num = 16465
    keywords = ['patch', '3.3regression']
    message_count = 23.0
    messages = ['175503', '175504', '175507', '175511', '175528', '175531', '175546', '175551', '175561', '175563', '175567', '175581', '175583', '175586', '175615', '183211', '205362', '205363', '205397', '224937', '224939', '261565', '261576']
    nosy_count = 13.0
    nosy_names = ['tim.peters', 'rhettinger', 'jcea', 'pitrou', 'vstinner', 'christian.heimes', 'benjamin.peterson', 'phihag', 'asvetlov', 'pingebretson', 'jcon', 'serhiy.storchaka', 'josh.r']
    pr_nums = []
    priority = 'normal'
    resolution = 'out of date'
    stage = 'resolved'
    status = 'closed'
    superseder = '23601'
    type = 'performance'
    url = 'https://bugs.python.org/issue16465'
    versions = ['Python 3.5']

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

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