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Improve GIL in 2.7 #52546

@kristjanvalur

Description

@kristjanvalur
BPO 8299
Nosy @loewis, @rhettinger, @terryjreedy, @pitrou, @kristjanvalur, @bitdancer, @florentx, @Bluehorn
Files
  • gil.patch
  • gil2.patch
  • ccbench.patch: improved ccbench with -y option and 'balance'
  • fair.py: Fair CPU use test
  • fair.py: A modified version of David's "fair.py"
  • thread_pthread.h: Modified cond var GIL with fairness.
  • evalsrv.rar
  • 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 2010-08-06.16:50:13.023>
    created_at = <Date 2010-04-03.10:27:23.069>
    labels = ['interpreter-core', 'performance']
    title = 'Improve GIL in 2.7'
    updated_at = <Date 2010-08-06.16:50:13.022>
    user = 'https://github.com/kristjanvalur'

    bugs.python.org fields:

    activity = <Date 2010-08-06.16:50:13.022>
    actor = 'terry.reedy'
    assignee = 'none'
    closed = True
    closed_date = <Date 2010-08-06.16:50:13.023>
    closer = 'terry.reedy'
    components = ['Interpreter Core']
    creation = <Date 2010-04-03.10:27:23.069>
    creator = 'kristjan.jonsson'
    dependencies = []
    files = ['16744', '16770', '16867', '16946', '16951', '16958', '17034']
    hgrepos = []
    issue_num = 8299
    keywords = ['patch']
    message_count = 64.0
    messages = ['102234', '102235', '102248', '102250', '102252', '102254', '102255', '102256', '102290', '102291', '102416', '102500', '102502', '102506', '102507', '102508', '102758', '102759', '102823', '102827', '102828', '102830', '102831', '102838', '102840', '102845', '103087', '103088', '103093', '103098', '103215', '103219', '103224', '103225', '103228', '103230', '103232', '103233', '103234', '103235', '103236', '103238', '103239', '103258', '103310', '103311', '103355', '103384', '103385', '103396', '103397', '103399', '103500', '103525', '103533', '103551', '103782', '103785', '103922', '103923', '113028', '113039', '113087', '113111']
    nosy_count = 11.0
    nosy_names = ['loewis', 'rhettinger', 'terry.reedy', 'beazley', 'pitrou', 'kristjan.jonsson', 'techtonik', 'r.david.murray', 'flox', 'dabeaz', 'torsten']
    pr_nums = []
    priority = 'normal'
    resolution = 'out of date'
    stage = None
    status = 'closed'
    superseder = None
    type = 'performance'
    url = 'https://bugs.python.org/issue8299'
    versions = ['Python 2.7']

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