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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Convoy effect with I/O bound threads and New GIL","articleBody":"BPO | [7946](https://bugs.python.org/issue7946)\n--- | :---\nNosy | @gvanrossum, @loewis, @arigo, @gpshead, @jcea, @mdickinson, @ncoghlan, @pitrou, @scoder, @larryhastings, @ericvsmith, @tarekziade, @carljm, @coderanger, @phsilva, @merwok, @alex, @jab, @briancurtin, @florentx, @cool-RR, @dimaqq, @thedrow, @corona10, @Sophist-UK\nFiles | \u003cli\u003e[udp-ioclient.py](https://bugs.python.org/file16315/udp-ioclient.py \"Uploaded as text/plain at 2010-02-22.19:17:10 by @pitrou\")\u003c/li\u003e\u003cli\u003e[udp-iotest.py](https://bugs.python.org/file16316/udp-iotest.py \"Uploaded as text/plain at 2010-02-22.19:17:34 by @pitrou\")\u003c/li\u003e\u003cli\u003e[gilprio2.patch](https://bugs.python.org/file16323/gilprio2.patch \"Uploaded as text/plain at 2010-02-22.21:41:31 by @pitrou\")\u003c/li\u003e\u003cli\u003e[prioritygil.tar.gz](https://bugs.python.org/file16324/prioritygil.tar.gz \"Uploaded as application/x-gzip at 2010-02-22.21:52:19 by dabeaz\"): Priority GIL implementation from PyCON\u003c/li\u003e\u003cli\u003e[linux-7946.patch](https://bugs.python.org/file16570/linux-7946.patch \"Uploaded as text/plain at 2010-03-16.22:36:56 by nirai\"): Linux (libc) patch for py32\u003c/li\u003e\u003cli\u003e[gilinter2.patch](https://bugs.python.org/file16676/gilinter2.patch \"Uploaded as text/plain at 2010-03-27.13:26:24 by @pitrou\")\u003c/li\u003e\u003cli\u003e[writes.py](https://bugs.python.org/file16968/writes.py \"Uploaded as text/plain at 2010-04-18.00:23:06 by nirai\")\u003c/li\u003e\u003cli\u003e[schedtest.py](https://bugs.python.org/file17095/schedtest.py \"Uploaded as text/plain at 2010-04-26.13:31:14 by dabeaz\"): Scheduling test\u003c/li\u003e\u003cli\u003e[dabeaz_gil.patch](https://bugs.python.org/file17106/dabeaz_gil.patch \"Uploaded as text/plain at 2010-04-27.14:32:33 by dabeaz\"): Dave's GIL patch\u003c/li\u003e\u003cli\u003e[nir-ccbench-xp32.log](https://bugs.python.org/file17194/nir-ccbench-xp32.log \"Uploaded as text/plain at 2010-05-03.22:34:29 by nirai\")\u003c/li\u003e\u003cli\u003e[nir-ccbench-linux.log](https://bugs.python.org/file17370/nir-ccbench-linux.log \"Uploaded as text/plain at 2010-05-16.19:11:22 by nirai\")\u003c/li\u003e\u003cli\u003e[ccbench-osx.log](https://bugs.python.org/file17393/ccbench-osx.log \"Uploaded as text/plain at 2010-05-19.02:29:42 by Michele\")\u003c/li\u003e\u003cli\u003e[bfs.patch](https://bugs.python.org/file17504/bfs.patch \"Uploaded as text/plain at 2010-05-30.20:50:03 by nirai\"): Updated implementation of the BFS scheduler.\u003c/li\u003e\n\n\u003csup\u003e*Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.*\u003c/sup\u003e\n\n\u003cdetails\u003e\u003csummary\u003eShow more details\u003c/summary\u003e\u003cp\u003e\n\nGitHub fields:\n```python\nassignee = None\nclosed_at = \u003cDate 2021-01-02.02:43:00.577\u003e\ncreated_at = \u003cDate 2010-02-16.20:48:43.897\u003e\nlabels = ['interpreter-core', '3.10', 'performance']\ntitle = 'Convoy effect with I/O bound threads and New GIL'\nupdated_at = \u003cDate 2022-03-21.22:05:04.974\u003e\nuser = 'https://bugs.python.org/dabeaz'\n```\n\nbugs.python.org fields:\n```python\nactivity = \u003cDate 2022-03-21.22:05:04.974\u003e\nactor = 'Sophist'\nassignee = 'none'\nclosed = True\nclosed_date = \u003cDate 2021-01-02.02:43:00.577\u003e\ncloser = 'dabeaz'\ncomponents = ['Interpreter Core']\ncreation = \u003cDate 2010-02-16.20:48:43.897\u003e\ncreator = 'dabeaz'\ndependencies = []\nfiles = ['16315', '16316', '16323', '16324', '16570', '16676', '16968', '17095', '17106', '17194', '17370', '17393', '17504']\nhgrepos = []\nissue_num = 7946\nkeywords = ['patch']\nmessage_count = 100.0\nmessages = ['99438', '99439', '99459', '99461', '99477', '99814', '99815', '99838', '99840', '99846', '99875', '100094', '101116', '101118', '101120', '101125', '101127', '101141', '101142', '101144', '101146', '101148', '101192', '101197', '101612', '101613', '101697', '101700', '101707', '101711', '101714', '101715', '101724', '101737', '101772', '101773', '101821', '101825', '101854', '102043', '102649', '102890', '103154', '103186', '103320', '103414', '103460', '104194', '104195', '104197', '104198', '104203', '104219', '104233', '104234', '104288', '104293', '104303', '104309', '104312', '104317', '104319', '104320', '104324', '104325', '104330', '104335', '104369', '104452', '104453', '104473', '104478', '104613', '104899', '105687', '105835', '105874', '106030', '106780', '106782', '156883', '223109', '223110', '346399', '346495', '347621', '347640', '347641', '377825', '377865', '378187', '378200', '378236', '385088', '385109', '415693', '415698', '415703', '415708', '415715']\nnosy_count = 49.0\nnosy_names = ['gvanrossum', 'loewis', 'jhylton', 'arigo', 'gregory.p.smith', 'jcea', 'mark.dickinson', 'ncoghlan', 'pitrou', 'scoder', 'movement', 'larry', 'eric.smith', 'kevinwatters', 'tarek', 'karld', 'carljm', 'coderanger', 'phsilva', 'durin42', 'eric.araujo', 'nirai', 'alex', 'stuaxo', 'andrix', 'konryd', 'jab', 'brian.curtin', 'hozn', 'victorpoluceno', 'flox', 'DazWorrall', 'cool-RR', 'rh0dium', 'rcohen', 'dabeaz', 'mahmoudimus', 'portante', 'aconrad', 'ysj.ray', 'thouis', 'donaldjeo', 'Michele', 'jmehnle', 'Dima.Tisnek', 'Omer.Katz', 'corona10', 'Sophist', 'maartenbreddels']\npr_nums = []\npriority = 'normal'\nresolution = 'wont fix'\nstage = 'resolved'\nstatus = 'closed'\nsuperseder = None\ntype = 'performance'\nurl = 'https://bugs.python.org/issue7946'\nversions = ['Python 3.10']\n```\n\n\u003c/p\u003e\u003c/details\u003e\n","author":{"url":"https://github.com/dabeaz","@type":"Person","name":"dabeaz"},"datePublished":"2010-02-16T20:48:44.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":100},"url":"https://github.com/52194/cpython/issues/52194"}