Commit Graph

1933 Commits

Author SHA1 Message Date
Raymond Hettinger fba1cfc49a LIST_APPEND is predicably followed by JUMP_ABSOLUTE.
Reduces loop overhead by an additional 10%.
2004-03-12 16:33:17 +00:00
Raymond Hettinger 2d783e9b16 Move the code for BREAK and CONTINUE_LOOP to be near FOR_ITER.
Makes it more likely that all loop operations are in the cache
at the same time.
2004-03-12 09:12:22 +00:00
Raymond Hettinger db0de9e7ca Speedup for-loops by inlining PyIter_Next(). Saves duplicate tests
and a function call resulting in a 15% reduction of total loop overhead
(as measured by timeit.Timer('pass')).
2004-03-12 08:41:36 +00:00
Raymond Hettinger f114a3ae63 Refactor and optimize code for UNPACK_SEQUENCE.
* Defer error handling for wrong number of arguments to the
  unpack_iterable() function.  Cuts the code size almost in half.

* Replace function calls to PyList_Size() and PyTuple_Size() with
  their smaller and faster macro counterparts.

* Move the constant structure references outside of the inner loops.
2004-03-08 23:25:30 +00:00
Raymond Hettinger dd80f76265 SF patch #910929: Optimize list comprehensions
Add a new opcode, LIST_APPEND, and apply it to the code generation for
list comprehensions.  Reduces the per-loop overhead by about a third.
2004-03-07 07:31:06 +00:00
Hye-Shik Chang 30e97dbe96 SF Patch #902444: Use process scope thread on FreeBSD. System scope
is too expensive on FreeBSD's KSE threading infrastructure and
even test_threadedimport fails on default setting.
2004-03-04 06:35:57 +00:00
Skip Montanaro 6babcc2ad4 typo 2004-03-03 08:42:23 +00:00
Skip Montanaro 786ea6bc23 Add pystack definition to Misc/gdbinit with some explanation of its behavior
and add flag comments to ceval.c and main.c alerting people to the coupling
between pystack and the layout of those files.
2004-03-01 15:44:05 +00:00
Michael W. Hudson ecfeb7f095 This is my patch #876198 plus a NEWS entry and a header frob.
Remove the ability to use (from C) arbitrary objects supporting the
read buffer interface as the co_code member of code objects.
2004-02-12 15:28:27 +00:00
Skip Montanaro 7befb9966e remove support for missing ANSI C header files (limits.h, stddef.h, etc). 2004-02-10 16:50:21 +00:00
Raymond Hettinger a72169871d SF patch #884022: dynamic execution profiling vs opcode prediction
(Contributed by Andrew I MacIntyre.)

disables opcode prediction when dynamic execution
profiling is in effect, so the profiling counters at
the top of the main interpreter loop in eval_frame()
are updated for each opcode.
2004-02-08 19:59:27 +00:00
Skip Montanaro f1afe6682c Remove support for systems defining Py_PTHREAD_D[467] in
Python/thread_pthread.h.
2004-02-07 13:00:18 +00:00
Raymond Hettinger 1dd8309246 SF patch #864059: optimize eval_frame
Simplified version of Neal Norwitz's patch which adds gotos for
opcodes that set "why".  This skips a number of tests where the
outcome of the tests are known in advance.
2004-02-06 18:32:33 +00:00
Hye-Shik Chang ff83c2bacc Fix input() builtin function to respect compiler flags.
(SF patch 876178, patch by mwh, unittest by perky)
2004-02-02 13:39:01 +00:00
Skip Montanaro b9949dbe6c Remove support for DYNIX, IRIX 4, --with-sgi-dl, --with-dl-dld 2004-01-17 04:04:13 +00:00
Skip Montanaro 4d474becd8 remove DGUX support. 2004-01-17 00:29:32 +00:00
Raymond Hettinger b86269db45 Apply pre-sizing optimization to a broader class of objects.
Formerly, the length was only fetched from sequence objects.
Now, any object that reports its length can benefit from pre-sizing.
2004-01-04 11:00:08 +00:00
Raymond Hettinger 77f3c87113 Apply map/zip pre-sizing optimization to a broader class of objects.
Formerly, the length was only fetched from sequence objects.
Now, any object that reports its length can benefit from pre-sizing.
2004-01-04 08:54:44 +00:00
Jeremy Hylton ecd9129c94 Add comment to mollify Tim. 2004-01-02 23:25:32 +00:00
Hye-Shik Chang 7db07e6972 Fix gcc 3.3 warnings related to Py_UNICODE_WIDE. 2003-12-29 01:36:01 +00:00
Raymond Hettinger 64958a15d7 Guido grants a Christmas wish:
sorted() becomes a regular function instead of a classmethod.
2003-12-17 20:43:33 +00:00
Fred Drake d75ede3238 Remove the PendingDeprecationWarning from apply(). apply() will
remain deprecated in the documentation.
2003-12-05 17:34:27 +00:00
Tim Peters 1d7323e4e7 Py_Finalize(): disabled the second call of cyclic gc, and added extensive
comments about why both calls to cyclic gc here can cause problems.

I'll backport to 2.3 maint.  Since the calls were introduced in 2.3,
that will be the end of it.
2003-12-01 21:35:27 +00:00
Guido van Rossum 6c9e130524 - Removed FutureWarnings related to hex/oct literals and conversions
and left shifts.  (Thanks to Kalle Svensson for SF patch 849227.)
  This addresses most of the remaining semantic changes promised by
  PEP 237, except for repr() of a long, which still shows the trailing
  'L'.  The PEP appears to promise warnings for operations that
  changed semantics compared to Python 2.3, but this is not
  implemented; we've suffered through enough warnings related to
  hex/oct literals and I think it's best to be silent now.
2003-11-29 23:52:13 +00:00
Jack Jansen eddc1449ba Getting rid of all the code inside #ifdef macintosh too. 2003-11-20 01:44:59 +00:00
Jack Jansen 4bae2d5e46 Getting rid of code dependent on GUSI or the MetroWerks compiler. 2003-11-19 22:52:23 +00:00
Jack Jansen a53f4eba19 Getting rid of code conditional on TARGET_API_MAC_*. 2003-11-19 16:34:04 +00:00
Jack Jansen 37249c5524 WITHOUT_FRAMEWORKS conditional code bites the dust: this was for
pre-carbon MacOS9 support.
2003-11-19 15:32:46 +00:00
Jack Jansen fb2765666f Getting rid of support for the ancient Apple MPW compiler. 2003-11-19 15:24:47 +00:00
Jack Jansen 6196322066 MacOS9 support is gone. 2003-11-19 14:55:33 +00:00
Raymond Hettinger a690a9967e * Migrate set() and frozenset() from the sandbox.
* Install the unittests, docs, newsitem, include file, and makefile update.
* Exercise the new functions whereever sets.py was being used.

Includes the docs for libfuncs.tex.  Separate docs for the types are
forthcoming.
2003-11-16 16:17:49 +00:00
Martin v. Löwis f56d015a71 Patch #804543: strdup saved locales. Backported to 2.3. 2003-11-13 07:43:21 +00:00
Raymond Hettinger 85c20a41df Implement and apply PEP 322, reverse iteration 2003-11-06 14:06:48 +00:00
Jeremy Hylton 904ed86a77 Make undetected error on stack unwind a fatal error. 2003-11-05 17:29:35 +00:00
Armin Rigo 2b3eb4062c Deleting cyclic object comparison.
SF patch 825639
http://mail.python.org/pipermail/python-dev/2003-October/039445.html
2003-10-28 12:05:48 +00:00
Alex Martelli a253e183b8 regressing the performance bugfix -- Guido wants the performance bug left
alone, because there can be no guarantee re the semantics of += vs + .
2003-10-25 23:24:14 +00:00
Armin Rigo 1d313ab9d1 oh dear. Wrong manipulation. Committed a version of ceval.c from my
no-cyclic-comparison patch at the same time as errors.c.

Reverting ceval.c to the previous revision.
2003-10-25 14:33:09 +00:00
Armin Rigo 092381a979 Made function declaration a proper C prototype 2003-10-25 14:29:27 +00:00
Alex Martelli a2777d3a55 Changed builtin_sum to use PyNumber_InPlaceAdd (same semantics, but fixes
a performance bug in sum(manylists)), same as in 2.3 maintenance branch.
2003-10-25 12:49:56 +00:00
Raymond Hettinger 5cf6394b12 Use PyArg_UnpackTuple() where possible. 2003-10-25 06:41:37 +00:00
Martin v. Löwis f8d59d28e0 Patch #828384: Don't discard nested exception in AddObject. 2003-10-24 20:05:32 +00:00
Walter Dörwald f0dfc7ac5c Fix a bunch of typos in documentation, docstrings and comments.
(From SF patch #810751)
2003-10-20 14:01:56 +00:00
Martin v. Löwis dd7eb146a8 Patch #792869: Clarify error message for parameters declared global,
rename LOCAL_GLOBAL to PARAM_GLOBAL.
2003-10-18 22:05:25 +00:00
Raymond Hettinger 8ae4689657 Simplify and speedup uses of Py_BuildValue():
* Py_BuildValue("(OOO)",a,b,c)  -->  PyTuple_Pack(3,a,b,c)
* Py_BuildValue("()",a)         -->  PyTuple_New(0)
* Py_BuildValue("O", a)         -->  Py_INCREF(a)
2003-10-12 19:09:37 +00:00
Jeremy Hylton 9832613beb Fix SF bug [ 808594 ] leak on lambda with duplicate arguments error.
Refactor code so that one helper routine sets error location and
increments st_errors.

Bug fix candidate.
2003-09-22 04:26:44 +00:00
Martin v. Löwis 70849f84a0 Patch #805613: Fix usage of the PTH library. 2003-09-20 11:13:36 +00:00
Raymond Hettinger cc1798e0c0 Improve the leak fix so that PyTuple_New is only called when needed. 2003-09-16 04:27:52 +00:00
Jeremy Hylton 364f6becad Correct check of PyUnicode_Resize() return value. 2003-09-16 03:17:16 +00:00
Jeremy Hylton 1aad9c7dad Reflow long lines and reformat. 2003-09-16 03:10:59 +00:00
Raymond Hettinger 37a724d718 Fix leak discovered in test_new by Michael Hudson.
Will backport to 2.3.1
2003-09-15 21:43:16 +00:00