Mailman 3 August 2017 - Python-checkins

[3.6] bpo-30808: Use _Py_atomic API for concurrency-sensitive signal state (GH-2417) (#3007)
by Antoine Pitrou 06 Aug '17

06 Aug '17

https://github.com/python/cpython/commit/57e836cb41656ac23042886db6b5985c03… commit: 57e836cb41656ac23042886db6b5985c036a7ce2 branch: 3.6 author: Antoine Pitrou <pitrou(a)free.fr> committer: GitHub <noreply(a)github.com> date: 2017-08-06T19:32:39+02:00 summary: [3.6] bpo-30808: Use _Py_atomic API for concurrency-sensitive signal state (GH-2417) (#3007) * Improve signal delivery Avoid using Py_AddPendingCall from signal handler, to avoid calling signal-unsafe functions. * Remove unused function * Improve comments * Use _Py_atomic API for concurrency-sensitive signal state * Add blurb (cherry picked from commit 2c8a5e4c968217f9672340e520942c4ed788d8de) files: A Misc/NEWS.d/next/Core and Builtins/2017-07-17-12-12-59.bpo-30808.bA3zOv.rst M Modules/signalmodule.c diff --git a/Misc/NEWS.d/next/Core and Builtins/2017-07-17-12-12-59.bpo-30808.bA3zOv.rst b/Misc/NEWS.d/next/Core and Builtins/2017-07-17-12-12-59.bpo-30808.bA3zOv.rst new file mode 100644 index 00000000000..8adbbe7dc3a --- /dev/null +++ b/Misc/NEWS.d/next/Core and Builtins/2017-07-17-12-12-59.bpo-30808.bA3zOv.rst @@ -0,0 +1 @@ +Use _Py_atomic API for concurrency-sensitive signal state. diff --git a/Modules/signalmodule.c b/Modules/signalmodule.c index 30990f89c3e..0e6099fd361 100644 --- a/Modules/signalmodule.c +++ b/Modules/signalmodule.c @@ -93,7 +93,7 @@ static pid_t main_pid; #endif static volatile struct { - sig_atomic_t tripped; + _Py_atomic_int tripped; PyObject *func; } Handlers[NSIG]; @@ -113,7 +113,7 @@ static volatile sig_atomic_t wakeup_fd = -1; #endif /* Speed up sigcheck() when none tripped */ -static volatile sig_atomic_t is_tripped = 0; +static _Py_atomic_int is_tripped; static PyObject *DefaultHandler; static PyObject *IgnoreHandler; @@ -240,11 +240,13 @@ trip_signal(int sig_num) int fd; Py_ssize_t rc; - Handlers[sig_num].tripped = 1; + _Py_atomic_store_relaxed(&Handlers[sig_num].tripped, 1); /* Set is_tripped after setting .tripped, as it gets cleared in PyErr_CheckSignals() before .tripped. */ - is_tripped = 1; + _Py_atomic_store(&is_tripped, 1); + + /* Notify ceval.c */ _PyEval_SignalReceived(); /* And then write to the wakeup fd *after* setting all the globals and @@ -465,7 +467,7 @@ signal_signal_impl(PyObject *module, int signalnum, PyObject *handler) return NULL; } old_handler = Handlers[signalnum].func; - Handlers[signalnum].tripped = 0; + _Py_atomic_store_relaxed(&Handlers[signalnum].tripped, 0); Py_INCREF(handler); Handlers[signalnum].func = handler; if (old_handler != NULL) @@ -1264,11 +1266,11 @@ PyInit__signal(void) goto finally; Py_INCREF(IntHandler); - Handlers[0].tripped = 0; + _Py_atomic_store_relaxed(&Handlers[0].tripped, 0); for (i = 1; i < NSIG; i++) { void (*t)(int); t = PyOS_getsig(i); - Handlers[i].tripped = 0; + _Py_atomic_store_relaxed(&Handlers[i].tripped, 0); if (t == SIG_DFL) Handlers[i].func = DefaultHandler; else if (t == SIG_IGN) @@ -1492,7 +1494,7 @@ finisignal(void) for (i = 1; i < NSIG; i++) { func = Handlers[i].func; - Handlers[i].tripped = 0; + _Py_atomic_store_relaxed(&Handlers[i].tripped, 0); Handlers[i].func = NULL; if (i != SIGINT && func != NULL && func != Py_None && func != DefaultHandler && func != IgnoreHandler) @@ -1513,7 +1515,7 @@ PyErr_CheckSignals(void) int i; PyObject *f; - if (!is_tripped) + if (!_Py_atomic_load(&is_tripped)) return 0; #ifdef WITH_THREAD @@ -1535,16 +1537,16 @@ PyErr_CheckSignals(void) * we receive a signal i after we zero is_tripped and before we * check Handlers[i].tripped. */ - is_tripped = 0; + _Py_atomic_store(&is_tripped, 0); if (!(f = (PyObject *)PyEval_GetFrame())) f = Py_None; for (i = 1; i < NSIG; i++) { - if (Handlers[i].tripped) { + if (_Py_atomic_load_relaxed(&Handlers[i].tripped)) { PyObject *result = NULL; PyObject *arglist = Py_BuildValue("(iO)", i, f); - Handlers[i].tripped = 0; + _Py_atomic_store_relaxed(&Handlers[i].tripped, 0); if (arglist) { result = PyEval_CallObject(Handlers[i].func, @@ -1552,7 +1554,7 @@ PyErr_CheckSignals(void) Py_DECREF(arglist); } if (!result) { - is_tripped = 1; + _Py_atomic_store(&is_tripped, 1); return -1; } @@ -1591,12 +1593,12 @@ PyOS_FiniInterrupts(void) int PyOS_InterruptOccurred(void) { - if (Handlers[SIGINT].tripped) { + if (_Py_atomic_load_relaxed(&Handlers[SIGINT].tripped)) { #ifdef WITH_THREAD if (PyThread_get_thread_ident() != main_thread) return 0; #endif - Handlers[SIGINT].tripped = 0; + _Py_atomic_store_relaxed(&Handlers[SIGINT].tripped, 0); return 1; } return 0; @@ -1606,11 +1608,11 @@ static void _clear_pending_signals(void) { int i; - if (!is_tripped) + if (!_Py_atomic_load(&is_tripped)) return; - is_tripped = 0; + _Py_atomic_store(&is_tripped, 0); for (i = 1; i < NSIG; ++i) { - Handlers[i].tripped = 0; + _Py_atomic_store_relaxed(&Handlers[i].tripped, 0); } }

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Daily reference leaks (4243df51fe43): sum=11
by solipsis＠pitrou.net 06 Aug '17

06 Aug '17

results for 4243df51fe43 on branch "default" -------------------------------------------- test_collections leaked [0, 0, 7] memory blocks, sum=7 test_functools leaked [0, 3, 1] memory blocks, sum=4 test_multiprocessing_spawn leaked [-2, 1, 1] memory blocks, sum=0 Command line was: ['./python', '-m', 'test.regrtest', '-uall', '-R', '3:3:/home/psf-users/antoine/refleaks/reflogDZJc6Q', '--timeout', '7200']

1 0

bpo-31029: test_tokenize Add missing import unittest (#2998)
by Serhiy Storchaka 05 Aug '17

05 Aug '17

https://github.com/python/cpython/commit/9cd0ef8f3b93818f0ee5318cb1fc9a1ea3… commit: 9cd0ef8f3b93818f0ee5318cb1fc9a1ea32e95b6 branch: 3.6 author: Rajath Agasthya <rajathagasthya(a)users.noreply.github.com> committer: Serhiy Storchaka <storchaka(a)gmail.com> date: 2017-08-05T21:28:17+03:00 summary: bpo-31029: test_tokenize Add missing import unittest (#2998) files: M Lib/test/test_tokenize.py diff --git a/Lib/test/test_tokenize.py b/Lib/test/test_tokenize.py index 5a81a5f11a4..10e0ad80779 100644 --- a/Lib/test/test_tokenize.py +++ b/Lib/test/test_tokenize.py @@ -3,6 +3,7 @@ STRING, ENDMARKER, ENCODING, tok_name, detect_encoding, open as tokenize_open, Untokenizer) from io import BytesIO +import unittest from unittest import TestCase, mock from test.test_grammar import (VALID_UNDERSCORE_LITERALS, INVALID_UNDERSCORE_LITERALS)

1 0

[2.7] bpo-31107: Fix copyreg mangled slot names calculation. (GH-2989). (#3004)
by Serhiy Storchaka 05 Aug '17

05 Aug '17

https://github.com/python/cpython/commit/88ffff5ddbb8692ecb2c661aa29000dbde… commit: 88ffff5ddbb8692ecb2c661aa29000dbde9eff8c branch: 2.7 author: Shane Harvey <shane.harvey(a)mongodb.com> committer: Serhiy Storchaka <storchaka(a)gmail.com> date: 2017-08-05T18:03:01+03:00 summary: [2.7] bpo-31107: Fix copyreg mangled slot names calculation. (GH-2989). (#3004) (cherry picked from commit c4c9866064f03646c686d7e08b00aeb203c35c19) files: A Misc/NEWS.d/next/Library/2017-08-02-12-48-15.bpo-31107.1t2hn5.rst M Lib/copy_reg.py M Lib/test/test_copy_reg.py M Misc/ACKS diff --git a/Lib/copy_reg.py b/Lib/copy_reg.py index db1715092c5..8943077593d 100644 --- a/Lib/copy_reg.py +++ b/Lib/copy_reg.py @@ -127,7 +127,11 @@ class found there. (This assumes classes don't modify their continue # mangled names elif name.startswith('__') and not name.endswith('__'): - names.append('_%s%s' % (c.__name__, name)) + stripped = c.__name__.lstrip('_') + if stripped: + names.append('_%s%s' % (stripped, name)) + else: + names.append(name) else: names.append(name) diff --git a/Lib/test/test_copy_reg.py b/Lib/test/test_copy_reg.py index 8cdb8b7d2ab..17ccbd084d6 100644 --- a/Lib/test/test_copy_reg.py +++ b/Lib/test/test_copy_reg.py @@ -17,6 +17,12 @@ class WithWeakref(object): class WithPrivate(object): __slots__ = ('__spam',) +class _WithLeadingUnderscoreAndPrivate(object): + __slots__ = ('__spam',) + +class ___(object): + __slots__ = ('__spam',) + class WithSingleString(object): __slots__ = 'spam' @@ -105,6 +111,10 @@ def test_slotnames(self): self.assertEqual(copy_reg._slotnames(WithWeakref), []) expected = ['_WithPrivate__spam'] self.assertEqual(copy_reg._slotnames(WithPrivate), expected) + expected = ['_WithLeadingUnderscoreAndPrivate__spam'] + self.assertEqual(copy_reg._slotnames(_WithLeadingUnderscoreAndPrivate), + expected) + self.assertEqual(copy_reg._slotnames(___), ['__spam']) self.assertEqual(copy_reg._slotnames(WithSingleString), ['spam']) expected = ['eggs', 'spam'] expected.sort() diff --git a/Misc/ACKS b/Misc/ACKS index 662db9f40f7..229a874ffc2 100644 --- a/Misc/ACKS +++ b/Misc/ACKS @@ -543,6 +543,7 @@ David Harrigan Brian Harring Jonathan Hartley Travis B. Hartwell +Shane Harvey Larry Hastings Tim Hatch Shane Hathaway diff --git a/Misc/NEWS.d/next/Library/2017-08-02-12-48-15.bpo-31107.1t2hn5.rst b/Misc/NEWS.d/next/Library/2017-08-02-12-48-15.bpo-31107.1t2hn5.rst new file mode 100644 index 00000000000..09807058b4c --- /dev/null +++ b/Misc/NEWS.d/next/Library/2017-08-02-12-48-15.bpo-31107.1t2hn5.rst @@ -0,0 +1,2 @@ +Fix `copy_reg._slotnames()` mangled attribute calculation for classes whose +name begins with an underscore. Patch by Shane Harvey.

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[3.6] bpo-31107: Fix copyreg mangled slot names calculation. (GH-2989) (#3003)
by Serhiy Storchaka 05 Aug '17

05 Aug '17

https://github.com/python/cpython/commit/4795ba857ef2a89e6b477285df96167210… commit: 4795ba857ef2a89e6b477285df961672106a1792 branch: 3.6 author: Shane Harvey <shane.harvey(a)mongodb.com> committer: Serhiy Storchaka <storchaka(a)gmail.com> date: 2017-08-05T18:01:10+03:00 summary: [3.6] bpo-31107: Fix copyreg mangled slot names calculation. (GH-2989) (#3003) (cherry picked from commit c4c9866064f03646c686d7e08b00aeb203c35c19) files: A Misc/NEWS.d/next/Library/2017-08-02-12-48-15.bpo-31107.1t2hn5.rst M Lib/copyreg.py M Lib/test/test_copyreg.py M Misc/ACKS diff --git a/Lib/copyreg.py b/Lib/copyreg.py index 67f5bb029ee..cef9984b192 100644 --- a/Lib/copyreg.py +++ b/Lib/copyreg.py @@ -128,7 +128,11 @@ class found there. (This assumes classes don't modify their continue # mangled names elif name.startswith('__') and not name.endswith('__'): - names.append('_%s%s' % (c.__name__, name)) + stripped = c.__name__.lstrip('_') + if stripped: + names.append('_%s%s' % (stripped, name)) + else: + names.append(name) else: names.append(name) diff --git a/Lib/test/test_copyreg.py b/Lib/test/test_copyreg.py index 52e887cb36c..e3f1cd81aab 100644 --- a/Lib/test/test_copyreg.py +++ b/Lib/test/test_copyreg.py @@ -16,6 +16,12 @@ class WithWeakref(object): class WithPrivate(object): __slots__ = ('__spam',) +class _WithLeadingUnderscoreAndPrivate(object): + __slots__ = ('__spam',) + +class ___(object): + __slots__ = ('__spam',) + class WithSingleString(object): __slots__ = 'spam' @@ -104,6 +110,10 @@ def test_slotnames(self): self.assertEqual(copyreg._slotnames(WithWeakref), []) expected = ['_WithPrivate__spam'] self.assertEqual(copyreg._slotnames(WithPrivate), expected) + expected = ['_WithLeadingUnderscoreAndPrivate__spam'] + self.assertEqual(copyreg._slotnames(_WithLeadingUnderscoreAndPrivate), + expected) + self.assertEqual(copyreg._slotnames(___), ['__spam']) self.assertEqual(copyreg._slotnames(WithSingleString), ['spam']) expected = ['eggs', 'spam'] expected.sort() diff --git a/Misc/ACKS b/Misc/ACKS index 7bc13ff0c9e..20e174384ba 100644 --- a/Misc/ACKS +++ b/Misc/ACKS @@ -592,6 +592,7 @@ David Harrigan Brian Harring Jonathan Hartley Travis B. Hartwell +Shane Harvey Larry Hastings Tim Hatch Shane Hathaway diff --git a/Misc/NEWS.d/next/Library/2017-08-02-12-48-15.bpo-31107.1t2hn5.rst b/Misc/NEWS.d/next/Library/2017-08-02-12-48-15.bpo-31107.1t2hn5.rst new file mode 100644 index 00000000000..3c2a15528d8 --- /dev/null +++ b/Misc/NEWS.d/next/Library/2017-08-02-12-48-15.bpo-31107.1t2hn5.rst @@ -0,0 +1,2 @@ +Fix `copyreg._slotnames()` mangled attribute calculation for classes whose +name begins with an underscore. Patch by Shane Harvey.

1 0

Daily reference leaks (4243df51fe43): sum=15
by solipsis＠pitrou.net 05 Aug '17

05 Aug '17

results for 4243df51fe43 on branch "default" -------------------------------------------- test_asyncio leaked [3, 0, 0] memory blocks, sum=3 test_collections leaked [7, -7, 8] memory blocks, sum=8 test_functools leaked [0, 3, 1] memory blocks, sum=4 Command line was: ['./python', '-m', 'test.regrtest', '-uall', '-R', '3:3:/home/psf-users/antoine/refleaks/reflogf5PHBi', '--timeout', '7200']

1 0

add myself to CODEOWNERS for subprocess. (#3005)
by Gregory P. Smith 04 Aug '17

04 Aug '17

https://github.com/python/cpython/commit/60a6632a3d2b2dde1c01850f0aa36a22c8… commit: 60a6632a3d2b2dde1c01850f0aa36a22c8dec8dd branch: master author: Gregory P. Smith <greg(a)krypto.org> committer: GitHub <noreply(a)github.com> date: 2017-08-04T20:00:06-06:00 summary: add myself to CODEOWNERS for subprocess. (#3005) files: M .github/CODEOWNERS diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS index 550c9564fca..cdb9feee57b 100644 --- a/.github/CODEOWNERS +++ b/.github/CODEOWNERS @@ -26,3 +26,6 @@ **/*mime* @bitdancer **/*imap* @bitdancer **/*poplib* @bitdancer + +# subprocess +**/*subprocess* @gpshead

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Notify the import-team on import-related PRs (GH-3002)
by Brett Cannon 04 Aug '17

04 Aug '17

https://github.com/python/cpython/commit/d255fea7c7cf91f589003a997ad38c7f4c… commit: d255fea7c7cf91f589003a997ad38c7f4c0825a9 branch: master author: Brett Cannon <brettcannon(a)users.noreply.github.com> committer: GitHub <noreply(a)github.com> date: 2017-08-04T14:14:32-07:00 summary: Notify the import-team on import-related PRs (GH-3002) files: M .github/CODEOWNERS diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS index 1c5164f6640..550c9564fca 100644 --- a/.github/CODEOWNERS +++ b/.github/CODEOWNERS @@ -15,7 +15,7 @@ **/*pyhash* @tiran # Import (including importlib) -**/*import* @brettcannon +**/*import* @python/import-team # SSL **/*ssl* @tiran

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[1 down, 1 up, 63 flat] Results for Python (master branch) 2017-08-04
by lp_benchmark_robot＠intel.com 04 Aug '17

04 Aug '17

Results for project python/master, build date: 2017-08-04 03:03:31-07:00. - commit: c4c9866 - previous commit: 5075416 - revision date: 2017-08-04 11:45:00+03:00 - environment: Broadwell-EP - cpu: Intel(R) Xeon(R) CPU E5-2699 v4 @ 2.20GHz 2x22 cores, stepping 1, LLC 55 MB - mem: 128 GB - os: Ubuntu 16.04.2 LTS - kernel: 4.4.0-62-generic x86_64 GNU/Linux Baseline results were generated using release v3.6.0, with hash 5c4568a from 2016-12-22 23:38:47+00:00. +-----+------------------------+--------+------------+------------+------------+ | | |relative|change since|change since|current rev | | | benchmark|std_dev*| last run | baseline |run with PGO| +-----+------------------------+--------+------------+------------+------------+ | :-| | 2to3| 1.098% | -0.312% | +3.941% | +8.632% | +-----+------------------------+--------+------------+------------+------------+ | :-| | call_method| 0.942% | -0.179% | +22.114% | +10.972% | +-----+------------------------+--------+------------+------------+------------+ | :-| | call_method_slots| 2.203% | +0.067% | +23.825% | +10.472% | +-----+------------------------+--------+------------+------------+------------+ | :-| | call_method_unknown| 0.777% | -0.778% | +20.991% | +11.948% | +-----+------------------------+--------+------------+------------+------------+ | :-| | call_simple| 2.700% | -3.094% | +2.761% | +15.830% | +-----+------------------------+--------+------------+------------+------------+ | :-| | chameleon| 1.511% | -0.828% | +10.899% | +11.437% | +-----+------------------------+--------+------------+------------+------------+ | :-| | chaos| 1.436% | -1.479% | +6.284% | +12.922% | +-----+------------------------+--------+------------+------------+------------+ | :-| | crypto_pyaes| 0.498% | +0.103% | +4.534% | +5.309% | +-----+------------------------+--------+------------+------------+------------+ | :-| | deltablue| 4.161% | -3.358% | +6.894% | +20.441% | +-----+------------------------+--------+------------+------------+------------+ | :-| | django_template| 4.578% | -1.291% | +8.711% | +14.295% | +-----+------------------------+--------+------------+------------+------------+ | :-| | dulwich_log| 1.214% | +1.289% | +4.425% | +6.275% | +-----+------------------------+--------+------------+------------+------------+ | :-| | fannkuch| 0.683% | -1.881% | +4.817% | +5.438% | +-----+------------------------+--------+------------+------------+------------+ | :-| | float| 0.789% | -1.443% | +3.054% | +6.299% | +-----+------------------------+--------+------------+------------+------------+ | :-| | genshi_text| 1.230% | -0.331% | +9.005% | +11.309% | +-----+------------------------+--------+------------+------------+------------+ | :-| | genshi_xml| 2.851% | -2.366% | +6.285% | +11.557% | +-----+------------------------+--------+------------+------------+------------+ | :-| | go| 0.691% | -1.098% | +6.079% | +11.582% | +-----+------------------------+--------+------------+------------+------------+ | :-| | hexiom| 1.372% | -0.472% | +8.849% | +13.336% | +-----+------------------------+--------+------------+------------+------------+ | :-| | html5lib| 3.512% | -2.107% | +6.998% | +11.236% | +-----+------------------------+--------+------------+------------+------------+ | :-| | json_dumps| 2.509% | -0.777% | +3.853% | +9.696% | +-----+------------------------+--------+------------+------------+------------+ | :-| | json_loads| 2.707% | -2.053% | +2.678% | +9.946% | +-----+------------------------+--------+------------+------------+------------+ | :-| | logging_format| 1.696% | -0.378% | +8.131% | +12.713% | +-----+------------------------+--------+------------+------------+------------+ | :-| | logging_silent| 3.075% | -1.261% | +46.839% | +12.069% | +-----+------------------------+--------+------------+------------+------------+ | :-| | logging_simple| 1.450% | -0.130% | +9.498% | +13.759% | +-----+------------------------+--------+------------+------------+------------+ | :-| | mako| 0.385% | -0.759% | +18.945% | +11.979% | +-----+------------------------+--------+------------+------------+------------+ | :-| | mdp| 5.324% | +5.374% | +6.136% | +13.424% | +-----+------------------------+--------+------------+------------+------------+ | :-| | meteor_contest| 2.169% | -0.212% | +3.939% | +5.915% | +-----+------------------------+--------+------------+------------+------------+ | :-| | nbody| 0.579% | +0.232% | -2.057% | +4.325% | +-----+------------------------+--------+------------+------------+------------+ | :-| | nqueens| 1.095% | -1.086% | +2.828% | +7.474% | +-----+------------------------+--------+------------+------------+------------+ | :-) | pathlib| 1.252% | +6.322% | +5.502% | +9.363% | +-----+------------------------+--------+------------+------------+------------+ | :-| | pickle| 2.859% | -0.061% | +1.674% | +23.657% | +-----+------------------------+--------+------------+------------+------------+ | :-( | pickle_dict| 0.760% | -2.342% | +2.451% | +22.887% | +-----+------------------------+--------+------------+------------+------------+ | :-| | pickle_list| 0.908% | -0.311% | +4.883% | +21.107% | +-----+------------------------+--------+------------+------------+------------+ | :-| | pickle_pure_python| 5.752% | -2.055% | +10.996% | +10.386% | +-----+------------------------+--------+------------+------------+------------+ | :-| | pidigits| 0.207% | -0.090% | +0.284% | +9.547% | +-----+------------------------+--------+------------+------------+------------+ | :-| | python_startup| 0.122% | -0.627% | +9.147% | +4.747% | +-----+------------------------+--------+------------+------------+------------+ | :-| | python_startup_no_site| 0.090% | -0.597% | +0.898% | +4.531% | +-----+------------------------+--------+------------+------------+------------+ | :-| | raytrace| 1.238% | -1.033% | +9.569% | +14.639% | +-----+------------------------+--------+------------+------------+------------+ | :-| | regex_compile| 4.832% | -1.647% | -10.677% | +14.140% | +-----+------------------------+--------+------------+------------+------------+ | :-| | regex_dna| 0.989% | -0.568% | +1.479% | +9.552% | +-----+------------------------+--------+------------+------------+------------+ | :-| | regex_effbot| 2.286% | +0.378% | +0.691% | +3.810% | +-----+------------------------+--------+------------+------------+------------+ | :-| | regex_v8| 0.701% | +0.061% | +11.442% | +4.773% | +-----+------------------------+--------+------------+------------+------------+ | :-| | richards| 1.282% | +0.523% | +7.896% | +15.522% | +-----+------------------------+--------+------------+------------+------------+ | :-| | scimark_fft| 0.773% | +0.828% | +0.687% | +4.451% | +-----+------------------------+--------+------------+------------+------------+ | :-| | scimark_lu| 2.791% | -1.504% | +26.731% | +9.549% | +-----+------------------------+--------+------------+------------+------------+ | :-| | scimark_monte_carlo| 2.243% | -3.620% | +2.383% | +9.022% | +-----+------------------------+--------+------------+------------+------------+ | :-| | scimark_sor| 1.741% | -2.898% | +13.119% | +11.079% | +-----+------------------------+--------+------------+------------+------------+ | :-| | scimark_sparse_mat_mult| 0.516% | -0.970% | -0.220% | +2.584% | +-----+------------------------+--------+------------+------------+------------+ | :-| | spectral_norm| 0.374% | +0.611% | +5.748% | +3.244% | +-----+------------------------+--------+------------+------------+------------+ | :-| | sqlalchemy_declarative| 1.304% | -0.281% | +5.042% | +9.123% | +-----+------------------------+--------+------------+------------+------------+ | :-| | sqlalchemy_imperative| 3.536% | -0.295% | +4.976% | +4.929% | +-----+------------------------+--------+------------+------------+------------+ | :-| | sqlite_synth| 4.608% | -0.474% | +2.167% | +7.475% | +-----+------------------------+--------+------------+------------+------------+ | :-| | sympy_expand| 2.247% | -0.149% | +12.537% | +8.284% | +-----+------------------------+--------+------------+------------+------------+ | :-| | sympy_integrate| 1.998% | -0.790% | +9.926% | +7.557% | +-----+------------------------+--------+------------+------------+------------+ | :-| | sympy_str| 3.684% | -0.014% | +12.213% | +9.730% | +-----+------------------------+--------+------------+------------+------------+ | :-| | sympy_sum| 4.423% | -0.771% | +13.288% | +10.747% | +-----+------------------------+--------+------------+------------+------------+ | :-| | telco| 2.661% | +0.288% | +24.257% | +9.238% | +-----+------------------------+--------+------------+------------+------------+ | :-| | tornado_http| 1.075% | -0.132% | +5.622% | +7.188% | +-----+------------------------+--------+------------+------------+------------+ | :-| | unpack_sequence| 1.308% | +0.775% | +0.619% | -0.366% | +-----+------------------------+--------+------------+------------+------------+ | :-| | unpickle| 8.083% | -2.553% | +8.699% | +20.365% | +-----+------------------------+--------+------------+------------+------------+ | :-| | unpickle_list| 0.529% | +0.455% | -2.182% | +18.109% | +-----+------------------------+--------+------------+------------+------------+ | :-| | unpickle_pure_python| 2.017% | -0.613% | +6.870% | +7.464% | +-----+------------------------+--------+------------+------------+------------+ | :-| | xml_etree_generate| 1.058% | +0.223% | +5.926% | +9.202% | +-----+------------------------+--------+------------+------------+------------+ | :-| | xml_etree_iterparse| 2.178% | +0.013% | +1.833% | +6.274% | +-----+------------------------+--------+------------+------------+------------+ | :-| | xml_etree_parse| 1.649% | +0.330% | -5.450% | +11.999% | +-----+------------------------+--------+------------+------------+------------+ | :-| | xml_etree_process| 1.242% | -0.048% | +6.372% | +9.041% | +-----+------------------------+--------+------------+------------+------------+ * Relative Standard Deviation (Standard Deviation/Average) If this is not displayed properly please visit our results page here: http://languagesperformance.intel.com/1-down-1-up-63-flat-results-for-pytho… Our lab does a nightly source pull and build of the Python project and measures performance changes against the previous stable version and the previous nightly measurement. This is provided as a service to the community so that quality issues with current hardware can be identified quickly. Intel technologies' features and benefits depend on system configuration and may require enabled hardware, software or service activation. Performance varies depending on system configuration.

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Add author of the fix for #30841 to ACKS. (#3001)
by Łukasz Langa 04 Aug '17

04 Aug '17

https://github.com/python/cpython/commit/8238ef0467f210146a7aecfdc52dbe703d… commit: 8238ef0467f210146a7aecfdc52dbe703d3e190d branch: master author: Łukasz Langa <lukasz(a)langa.pl> committer: GitHub <noreply(a)github.com> date: 2017-08-04T11:21:37-07:00 summary: Add author of the fix for #30841 to ACKS. (#3001) files: M Misc/ACKS diff --git a/Misc/ACKS b/Misc/ACKS index ec7d481a587..e340392d8e1 100644 --- a/Misc/ACKS +++ b/Misc/ACKS @@ -273,6 +273,7 @@ Adal Chiriliuc Matt Chisholm Lita Cho Sayan Chowdhury +Yuan-Chao Chou Anders Chrigström Tom Christiansen Renee Chu

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