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Profile Guided Optimization improvements (better training, llvm support, etc) #69103

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Description

@alecsandrupatrascu
Issue body actions
BPO 24915
Nosy @smontanaro, @brettcannon, @gpshead, @pitrou, @scoder, @vstinner, @larryhastings, @skrah
Dependencies
  • bpo-25188: regrtest.py improvement for Profile Guided Optimization builds
  • Files
  • python2.7-pgo.patch: PGO patch for Python2.7
  • python3.6-pgo.patch: PGO patch for Python3.6
  • python2.7-pgo-v02.patch
  • python3.6-pgo-v02.patch
  • python2.7-pgo-v02-mac.patch
  • python3.6-pgo-v02-mac.patch
  • python2.7-pgo-v03.patch
  • python3.6-pgo-v03.patch
  • python2.7-pgo-v04.patch
  • python3.6-pgo-v04.patch
  • python2.7-pgo-v05.patch
  • python3.6-pgo-v05.patch
  • python2.7-pgo-v06.patch
  • python3.6-pgo-v06.patch
  • README.pgo
  • README2.7-pgo-v01.patch
  • README3.6-pgo-v01.patch
  • README2.7-pgo-v02.patch
  • README3.6-pgo-v02.patch
  • python2.7-pgo-v07.patch
  • python3.6-pgo-v07.patch
  • issue24915-python2.7.diff: Unified patch for Python 2.7
  • pgo.py
  • pgofix-cpython2.patch
  • pgofix-cpython3.patch
  • 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/brettcannon'
    closed_at = <Date 2016-02-20.20:28:06.655>
    created_at = <Date 2015-08-22.14:41:42.207>
    labels = ['build', 'performance']
    title = 'Profile Guided Optimization improvements (better training, llvm support, etc)'
    updated_at = <Date 2016-02-20.20:28:06.653>
    user = 'https://bugs.python.org/alecsandrupatrascu'

    bugs.python.org fields:

    activity = <Date 2016-02-20.20:28:06.653>
    actor = 'brett.cannon'
    assignee = 'brett.cannon'
    closed = True
    closed_date = <Date 2016-02-20.20:28:06.655>
    closer = 'brett.cannon'
    components = ['Build']
    creation = <Date 2015-08-22.14:41:42.207>
    creator = 'alecsandru.patrascu'
    dependencies = ['25188']
    files = ['40231', '40232', '40236', '40237', '40238', '40239', '40254', '40255', '40267', '40268', '40273', '40274', '40288', '40289', '40297', '40299', '40300', '40389', '40390', '40391', '40392', '40441', '40522', '41916', '41917']
    hgrepos = []
    issue_num = 24915
    keywords = ['patch']
    message_count = 63.0
    messages = ['248988', '248992', '249002', '249004', '249006', '249008', '249013', '249014', '249052', '249053', '249055', '249061', '249071', '249128', '249131', '249143', '249146', '249155', '249200', '249227', '249246', '249256', '249286', '249315', '249333', '249336', '249355', '250008', '250011', '250093', '250095', '250096', '250099', '250100', '250102', '250105', '250489', '251033', '251034', '251035', '251036', '251065', '251090', '251091', '251096', '251110', '251112', '251125', '251126', '251127', '251128', '251129', '252179', '252182', '252184', '259840', '259868', '259870', '259878', '259881', '259883', '260269', '260573']
    nosy_count = 11.0
    nosy_names = ['skip.montanaro', 'brett.cannon', 'gregory.p.smith', 'tzot', 'pitrou', 'scoder', 'vstinner', 'larry', 'skrah', 'python-dev', 'alecsandru.patrascu']
    pr_nums = []
    priority = 'normal'
    resolution = 'fixed'
    stage = 'resolved'
    status = 'closed'
    superseder = None
    type = 'performance'
    url = 'https://bugs.python.org/issue24915'
    versions = ['Python 2.7', 'Python 3.5', 'Python 3.6']

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