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126 Commits

Author SHA1 Message Date
Raymond Hettinger f5d72f35e8 Simply deque repeat by reusing code in in-line repeat. Avoid unnecessary division. 2015-09-09 22:39:44 -04:00
Raymond Hettinger 318c5aef0e merge 2015-09-05 17:06:18 -07:00
Raymond Hettinger 2b2b75374e Prevent reentrant badness by deferring the decrefs as long as possible. 2015-09-05 17:05:52 -07:00
Raymond Hettinger 7a1a0bbbf1 merge 2015-08-26 08:09:50 -07:00
Raymond Hettinger 87674ec7d5 Issue #24913: Fix overrun error in deque.index(). 2015-08-26 08:08:38 -07:00
Raymond Hettinger 28c995d03b Minor cleanup. 2015-08-14 02:07:41 -07:00
Raymond Hettinger 12f896c521 Fix minor typo in a comment 2015-07-31 12:03:20 -07:00
Raymond Hettinger aa23fa2e21 merge 2015-07-20 03:11:16 -04:00
Raymond Hettinger 043e800860 merge 2015-07-20 03:10:48 -04:00
Raymond Hettinger 239aba7874 Issue #19663: Improve error message for defaultdict. 2015-07-20 03:09:22 -04:00
Raymond Hettinger cfe5b6ca04 Divisions-by-two for a positive Py_ssize_t compile more cleanly with >>1 than /2. 2015-07-20 00:25:50 -04:00
Eric Snow 96c6af9b20 Issue #16991: Add a C implementation of collections.OrderedDict. 2015-05-29 22:21:39 -06:00
Eric Snow 47db71756d Issue #16991: Add a C implementation of collections.OrderedDict. 2015-05-29 22:21:39 -06:00
Raymond Hettinger c6249a6268 Defer deleted item decref until after the deque is restored to a consistent state. 2015-05-02 10:44:17 -07:00
Benjamin Peterson 1a6292194b fix refleak in deque_concat 2015-04-04 10:52:36 -04:00
Raymond Hettinger 41290a68ba Issue 23793: Add deque support for __add__(), __mul__(), and __imul__(). 2015-03-31 08:12:23 -07:00
Raymond Hettinger fef9c1b368 Fix typo 2015-03-24 21:12:57 -07:00
Raymond Hettinger 8dbbae2e52 Minor code and comment cleanups. 2015-03-24 21:01:50 -07:00
Raymond Hettinger 551350a79f Improve and fix-up comments. 2015-03-24 00:19:53 -07:00
Raymond Hettinger 0f1451c8c0 Issue 23744: Minor speed-up for deque.__bool__(). 2015-03-23 23:23:55 -07:00
Raymond Hettinger 6921c13bbb Minor nit. Make the rotate() success/fail tests consistent. 2015-03-21 02:03:40 -07:00
Raymond Hettinger ac13ad6a32 For safety, wait to decref deleted values until the deque state has been restored. 2015-03-21 01:53:16 -07:00
Raymond Hettinger 0f6f94778a Fix minor formatting nits and remove unnecessary comment. 2015-03-21 01:42:10 -07:00
Raymond Hettinger 32ea16577d Issue 23704: Add index(), copy(), and insert() to deques. Register deques as a MutableSequence. 2015-03-21 01:37:37 -07:00
Raymond Hettinger 39dadf7abf Issue 23705: Improve the performance of __contains__ checks for deques. 2015-03-20 16:38:56 -07:00
Raymond Hettinger 87e691240b Minor neatening-up. Make assignments in same order a struct fields. Line-up comments. 2015-03-02 23:32:02 -08:00
Raymond Hettinger f9d9c79aa8 Switch the state variable to unsigned for defined wrap-around behavior. 2015-03-02 22:47:46 -08:00
Raymond Hettinger 30c9074b96 Minor beautification. Move struct definitions to the top. Fix-up a comment. 2015-03-02 22:31:35 -08:00
Raymond Hettinger f30f5b9ba6 Minor code beautification. Replace macro with in-lineable functions. 2015-03-02 22:23:37 -08:00
Raymond Hettinger 3c186ba441 Beautify and better document the use of the size_t cast for bounds checking. 2015-03-02 21:45:02 -08:00
Raymond Hettinger 7f9ea7543e Issue #23553: Use an unsigned cast to tighten-up the bounds checking logic. 2015-03-01 00:38:00 -08:00
Raymond Hettinger c20830804d Need a (size_t) cast instead of (unsigned) to be big enough for a Py_ssize_t. 2015-02-28 23:29:16 -08:00
Raymond Hettinger a473b9da15 Use unsigned division and modulo for item assignment as well. 2015-02-28 17:49:47 -08:00
Raymond Hettinger 63d1ff2a0b Convert one more division to unsigned arithmetic to speed-up deque_item(). 2015-02-28 07:41:30 -08:00
Raymond Hettinger 7e8c7956a7 Line missed in last checkin 2015-02-27 16:59:29 -08:00
Raymond Hettinger da2850f932 Since the index is always non-negative, use faster unsigned division and modulo. 2015-02-27 12:42:54 -08:00
Raymond Hettinger daf57f25e5 Bump the blocksize up from 62 to 64 to speed up the modulo calculation. 
Remove the old comment suggesting that it was desireable to have
blocksize+2 as a multiple of the cache line length.  That would
have made sense only if the block structure start point was always
aligned to a cache line boundary.  However, the memory allocations
are 16 byte aligned, so we don't really have control over whether
the struct spills across cache line boundaries.
 2015-02-26 23:21:29 -08:00
Raymond Hettinger eb6b554fbc Update copyright. 2015-02-10 22:37:22 -06:00
Raymond Hettinger 0e259f18f7 Optimization guides suggest copying memory in an ascending direction when possible. 2015-02-01 22:53:41 -08:00
Raymond Hettinger 507d997714 Add comment and make minor code clean-up to improve clarity. 2014-05-18 21:32:40 +01:00
Raymond Hettinger 4b0b1accb5 Issue #21101: Eliminate double hashing in the C code for collections.Counter(). 2014-05-03 16:41:19 -07:00
Raymond Hettinger 5402315626 Add implementation notes 2014-04-23 00:58:48 -07:00
Benjamin Peterson e19d9d1467 merge 3.3 (#20250) 2014-01-13 23:56:30 -05:00
Benjamin Peterson 9cb33b7d03 correct defaultdict signature in docstring (closes #20250) 
Patch from Andrew Barnert.
 2014-01-13 23:56:05 -05:00
Victor Stinner e7f516cbb8 Issue #19512: _count_elements() of _collections reuses PyId_get identifier 
instead of literal "get" string
 2013-11-06 23:52:55 +01:00
Raymond Hettinger 07573d7b24 merge 2013-10-04 16:52:39 -07:00
Raymond Hettinger cb1d96f782 Issue #18594: Make the C code more closely match the pure python code. 2013-10-04 16:51:02 -07:00
Raymond Hettinger 75f65e368e merge 2013-10-01 21:38:37 -07:00
Raymond Hettinger 224c87d60c Issue #18594: Fix the fallback path in collections.Counter(). 2013-10-01 21:36:09 -07:00
Raymond Hettinger c13516b0a0 merge 2013-10-01 01:00:59 -07:00