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Faster hash implementation #60631

@serhiy-storchaka

Description

@serhiy-storchaka
BPO 16427
Nosy @tim-one, @rhettinger, @gpshead, @jcea, @mdickinson, @pitrou, @vstinner, @tiran, @asvetlov, @skrah, @serhiy-storchaka
Superseder
  • bpo-19183: PEP 456 Secure and interchangeable hash algorithm
  • Files
  • test_hash_align.patch
  • fast_hash_3.patch
  • bench_hash.txt
  • bench_hash.py
  • cityhash.txt
  • cityhash_arm.txt
  • cityhash_fashhash3_arm.txt
  • cityhash_fasthast3.txt
  • 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/tiran'
    closed_at = <Date 2013-10-28.11:58:03.901>
    created_at = <Date 2012-11-07.12:38:49.143>
    labels = ['interpreter-core', 'performance']
    title = 'Faster hash implementation'
    updated_at = <Date 2013-10-28.11:58:03.900>
    user = 'https://github.com/serhiy-storchaka'

    bugs.python.org fields:

    activity = <Date 2013-10-28.11:58:03.900>
    actor = 'serhiy.storchaka'
    assignee = 'christian.heimes'
    closed = True
    closed_date = <Date 2013-10-28.11:58:03.901>
    closer = 'serhiy.storchaka'
    components = ['Interpreter Core']
    creation = <Date 2012-11-07.12:38:49.143>
    creator = 'serhiy.storchaka'
    dependencies = []
    files = ['27948', '27956', '29742', '29743', '30446', '30447', '30474', '30475']
    hgrepos = []
    issue_num = 16427
    keywords = ['patch']
    message_count = 36.0
    messages = ['175093', '175298', '175300', '175302', '175303', '175330', '175332', '175333', '175349', '175351', '175353', '175361', '175367', '175385', '186352', '186353', '186403', '186405', '186406', '186421', '186439', '186441', '186442', '186443', '186481', '190475', '190476', '190478', '190488', '190489', '190491', '190676', '190704', '201493', '201525', '201529']
    nosy_count = 15.0
    nosy_names = ['tim.peters', 'rhettinger', 'gregory.p.smith', 'jcea', 'mark.dickinson', 'pitrou', 'vstinner', 'christian.heimes', 'ebfe', 'asvetlov', 'skrah', 'neologix', 'python-dev', 'serhiy.storchaka', 'isoschiz']
    pr_nums = []
    priority = 'normal'
    resolution = 'duplicate'
    stage = 'resolved'
    status = 'closed'
    superseder = '19183'
    type = 'performance'
    url = 'https://bugs.python.org/issue16427'
    versions = ['Python 3.4']

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

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