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| author | Christian Heimes <christian@cheimes.de> | 2008-01-30 11:58:22 (GMT) |
|---|---|---|
| committer | Christian Heimes <christian@cheimes.de> | 2008-01-30 11:58:22 (GMT) |
| commit | 190d79e5c648174b550de2bef75d1b4addf0d625 (patch) | |
| tree | 6af69a8af50c6d9f95ec5eb3372c17d36bb17fc5 /Include | |
| parent | 510711d598f1432afb021a01c2457b14334c6157 (diff) | |
| download | cpython-190d79e5c648174b550de2bef75d1b4addf0d625.zip cpython-190d79e5c648174b550de2bef75d1b4addf0d625.tar.gz cpython-190d79e5c648174b550de2bef75d1b4addf0d625.tar.bz2 | |
Merged revisions 60408-60440 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk
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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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Diffstat (limited to 'Include')
| -rw-r--r-- | Include/unicodeobject.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/Include/unicodeobject.h b/Include/unicodeobject.h index d7808a4..3954289 100644 --- a/Include/unicodeobject.h +++ b/Include/unicodeobject.h @@ -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) |