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BLAKE2: the (pure) SSE2 impl forced on x86_64 is slower than reference #76015

@mgorny

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@mgorny
mannequin
BPO 31834
Nosy @vstinner, @tiran, @benjaminp, @mgorny
PRs
  • bpo-31834: Use optimized code for BLAKE2 only with SSSE3+ #4066
  • 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 2017-11-20.07:32:35.182>
    created_at = <Date 2017-10-21.07:57:11.872>
    labels = ['extension-modules', 'performance']
    title = 'BLAKE2: the (pure) SSE2 impl forced on x86_64 is slower than reference'
    updated_at = <Date 2017-11-20.07:32:35.181>
    user = 'https://github.com/mgorny'

    bugs.python.org fields:

    activity = <Date 2017-11-20.07:32:35.181>
    actor = 'christian.heimes'
    assignee = 'none'
    closed = True
    closed_date = <Date 2017-11-20.07:32:35.182>
    closer = 'christian.heimes'
    components = ['Extension Modules']
    creation = <Date 2017-10-21.07:57:11.872>
    creator = 'mgorny'
    dependencies = []
    files = []
    hgrepos = []
    issue_num = 31834
    keywords = ['patch']
    message_count = 6.0
    messages = ['304696', '304865', '304867', '304870', '304911', '305808']
    nosy_count = 4.0
    nosy_names = ['vstinner', 'christian.heimes', 'benjamin.peterson', 'mgorny']
    pr_nums = ['4066']
    priority = 'normal'
    resolution = 'fixed'
    stage = 'resolved'
    status = 'closed'
    superseder = None
    type = 'performance'
    url = 'https://bugs.python.org/issue31834'
    versions = ['Python 3.6']

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