Mercurial > cpython-lru_cache-weakref
view Python/pystrcmp.c @ 50134:eeef71dd3cce 2.6
Unblocked and merged revisions 67494 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk
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r67494 | jeffrey.yasskin | 2008-12-02 22:46:45 -0800 (Tue, 02 Dec 2008) | 5 lines
Speed up Python (according to pybench and 2to3-on-itself) by 1-2% by caching
whether any thread has tracing turned on, which saves one load instruction in
the fast_next_opcode path in PyEval_EvalFrameEx(). See issue 4477.
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| author | Jeffrey Yasskin <jyasskin@gmail.com> |
|---|---|
| date | Fri, 12 Dec 2008 21:25:13 +0000 |
| parents | 0a485593ae1c |
| children | fd25030223b0 |
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/* Cross platform case insensitive string compare functions */ #include "Python.h" int PyOS_mystrnicmp(const char *s1, const char *s2, Py_ssize_t size) { if (size == 0) return 0; while ((--size > 0) && (tolower((unsigned)*s1) == tolower((unsigned)*s2))) { if (!*s1++ || !*s2++) break; } return tolower((unsigned)*s1) - tolower((unsigned)*s2); } int PyOS_mystricmp(const char *s1, const char *s2) { while (*s1 && (tolower((unsigned)*s1++) == tolower((unsigned)*s2++))) { ; } return (tolower((unsigned)*s1) - tolower((unsigned)*s2)); }
