Florent Xicluna <[email protected]> added the comment:
Updated benchmarks.
str unicode
(ms) (ms)
========== late match, 100 characters
s="ABC"*33; ("E"+s+("D"+s)*500).rfind("E"+s)
32.89 15.65 rfind (classic)
32.81 15.63 rindex (classic)
11.77 13.27 rfind (fastsearch)
11.78 13.40 rindex (fastsearch)
========== late match, two characters
4.34 2.36 ("C"+"AB"*300).rfind("CA") (classic)
4.44 2.36 ("C"+"AB"*300).rindex("CA") (classic)
2.10 2.31 ("C"+"AB"*300).rfind("CA") (fastsearch)
2.10 2.32 ("C"+"AB"*300).rindex("CA") (fastsearch)
========== no match, two characters
14.12 13.46 ("AB"*1000).rfind("BC") (classic)
7.67 8.26 ("AB"*1000).rfind("BC") (fastsearch)
----------
stage: -> patch review
Added file: http://bugs.python.org/file15638/bench_rfind_algorithms_v2.diff
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