bpo-41972: Tweak fastsearch.h string search algorithms by sweeneyde · Pull Request #27091 · python/cpython · GitHub
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bpo-41972: Tweak fastsearch.h string search algorithms #27091

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Merged
ambv merged 21 commits into from
Jul 19, 2021
Merged

bpo-41972: Tweak fastsearch.h string search algorithms #27091

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90a6a0c
Don't force inlining
sweeneyde Jul 6, 2021
19fa661
Use a Boyer-Moore skip table
sweeneyde Jul 7, 2021
d2219d5
Switch to two-way in more cases
sweeneyde Jul 8, 2021
3b8760f
Tighter comments
sweeneyde Jul 9, 2021
5d86b8d
Fix the direction of the cutoff inequality :)
sweeneyde Jul 10, 2021
2e9a9b1
Separate a gap loop
sweeneyde Jul 10, 2021
c84314c
update cutoffs
sweeneyde Jul 10, 2021
7517c60
tweak cutoffs, fix i - cut + 1 jump
sweeneyde Jul 10, 2021
e5ef33b
Refactor into smaller functions
sweeneyde Jul 11, 2021
a01fb70
Focus the table on the last character of the pattern, giving a tighte…
sweeneyde Jul 11, 2021
6be0c32
tweak cutoffs
sweeneyde Jul 11, 2021
f9fe807
📜🤖 Added by blurb_it.
blurb-it[bot] Jul 12, 2021
25f9b56
Fix sanitizer warnings
sweeneyde Jul 12, 2021
d3f8438
Merge branch 'fastersearch' of https://github.com/sweeneyde/cpython i…
sweeneyde Jul 12, 2021
4379ea6
Refactor for sanitizer
sweeneyde Jul 12, 2021
e336b79
Don't goto declarations
sweeneyde Jul 12, 2021
b8df3e1
Emphasize to the compiler that the loop is a loop
sweeneyde Jul 13, 2021
869f7d0
Use Py_LOCAL_INLINE
sweeneyde Jul 15, 2021
747a39a
Use Py_LOCAL_INLINE again
sweeneyde Jul 15, 2021
72143ef
Tweak thresholds based on most recent comparison.
sweeneyde Jul 16, 2021
4d7d102
Fix greater/less than sign.
sweeneyde Jul 16, 2021
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Fix the direction of the cutoff inequality :)
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@sweeneyde
sweeneyde committed Jul 10, 2021
commit 5d86b8d418dcad97ee27c850339e55d0c8f20ccb
2 changes: 1 addition & 1 deletion Objects/stringlib/fastsearch.h
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