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Merged revisions 60408-60440 via svnmerge from

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  r60425 | raymond.hettinger | 2008-01-29 20:52:09 +0100 (Tue, 29 Jan 2008) | 1 line

  CallMethod is faster with a NULL third-argument than with an empty format string.
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  r60431 | raymond.hettinger | 2008-01-30 01:01:07 +0100 (Wed, 30 Jan 2008) | 1 line

  Add isdisjoint() to the Set/MutableSet ABCs.
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  r60432 | raymond.hettinger | 2008-01-30 01:08:31 +0100 (Wed, 30 Jan 2008) | 1 line

  MutableSets support a remove() method.
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  r60433 | raymond.hettinger | 2008-01-30 01:51:58 +0100 (Wed, 30 Jan 2008) | 1 line

  Demonstrate new except/as syntax.
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  r60440 | christian.heimes | 2008-01-30 12:32:37 +0100 (Wed, 30 Jan 2008) | 1 line

  Patch #1970 by Antoine Pitrou: Speedup unicode whitespace and linebreak detection. The speedup is about 25% for split() (571 / 457 usec) and 35% (175 / 127 usec )for splitlines()
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This commit is contained in:
Christian Heimes 2008-01-30 11:58:22 +00:00
parent 510711d598
commit 190d79e5c6
4 changed files with 103 additions and 21 deletions
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9
Include/unicodeobject.h
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@ -358,7 +358,14 @@ typedef PY_UNICODE_TYPE Py_UNICODE;
#else
#define Py_UNICODE_ISSPACE(ch) _PyUnicode_IsWhitespace(ch)
/* Since splitting on whitespace is an important use case, and whitespace
in most situations is solely ASCII whitespace, we optimize for the common
case by using a quick look-up table with an inlined check.
*/
extern const unsigned char _Py_ascii_whitespace[];
#define Py_UNICODE_ISSPACE(ch) \
((ch) < 128U ? _Py_ascii_whitespace[(ch)] : _PyUnicode_IsWhitespace(ch))
#define Py_UNICODE_ISLOWER(ch) _PyUnicode_IsLowercase(ch)
#define Py_UNICODE_ISUPPER(ch) _PyUnicode_IsUppercase(ch)