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Shared Array Memory Allocation Regression #75102

Description

@DTasev
mannequin
BPO 30919
Nosy @pitrou, @gareth-rees, @serhiy-storchaka, @applio, @dtasev
PRs
  • bpo-30919: shared memory allocation performance regression in multiprocessing #2708
  • Files
  • shared_array_alloc.py: Simple timeit call to allocate 4GB memory
  • 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 2017-07-23.11:05:43.640>
    created_at = <Date 2017-07-13.14:03:22.072>
    labels = ['3.7', 'performance']
    title = 'Shared Array Memory Allocation Regression'
    updated_at = <Date 2017-07-23.11:05:43.639>
    user = 'https://github.com/DTasev'

    bugs.python.org fields:

    activity = <Date 2017-07-23.11:05:43.639>
    actor = 'pitrou'
    assignee = 'none'
    closed = True
    closed_date = <Date 2017-07-23.11:05:43.640>
    closer = 'pitrou'
    components = []
    creation = <Date 2017-07-13.14:03:22.072>
    creator = 'dtasev'
    dependencies = []
    files = ['47009']
    hgrepos = []
    issue_num = 30919
    keywords = []
    message_count = 22.0
    messages = ['298285', '298289', '298291', '298294', '298305', '298343', '298344', '298345', '298346', '298348', '298352', '298354', '298367', '298374', '298424', '298425', '298429', '298430', '298431', '298432', '298549', '298897']
    nosy_count = 6.0
    nosy_names = ['pitrou', 'sbt', 'gdr@garethrees.org', 'serhiy.storchaka', 'davin', 'dtasev']
    pr_nums = ['2708']
    priority = 'normal'
    resolution = 'fixed'
    stage = 'resolved'
    status = 'closed'
    superseder = None
    type = 'performance'
    url = 'https://bugs.python.org/issue30919'
    versions = ['Python 3.7']

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      3.7 (EOL)end of lifeperformancePerformance or resource usage

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