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Title: bpo-41972: Use the two-way algorithm for string searching by sweeneyde · Pull Request #22904 · python/cpython · GitHub

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Description: https://bugs.python.org/issue41972

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Show all changes 19 commits https://github.com/python/cpython/pull/22904/files
9da8642 fix typo sweeneyde Oct 17, 2020 https://github.com/python/cpython/pull/22904/commits/9da86426980af3f11ca36d6b28624f278fd38f42
da70219 initial implementation sweeneyde Oct 21, 2020 https://github.com/python/cpython/pull/22904/commits/da70219666e427cbf0ceb33554a9536896d16735
9062e6d Add count and find functions sweeneyde Oct 21, 2020 https://github.com/python/cpython/pull/22904/commits/9062e6d30575cf440656a549a59792304087e3c7
d0d820a add jump table sweeneyde Oct 22, 2020 https://github.com/python/cpython/pull/22904/commits/d0d820aa97bbba08f1a12c13467bd6de21774d7d
bab1833 Add cutoff sweeneyde Oct 22, 2020 https://github.com/python/cpython/pull/22904/commits/bab1833ce31576394b224ebbd05bccb88703940f
bf26486 Add test cases sweeneyde Oct 22, 2020 https://github.com/python/cpython/pull/22904/commits/bf26486456b93da62a67d9908e5a65ae1a77a6d4
bf15339 📜🤖 Added by blurb_it. blurb-it[bot] Oct 23, 2020 https://github.com/python/cpython/pull/22904/commits/bf15339e2af2f6dbdfbb1fdb2ea05e2ff879e03b
f5afc66 Add safe downcasting to shift table initialization sweeneyde Oct 24, 2020 https://github.com/python/cpython/pull/22904/commits/f5afc66ee726b18e01edb9c8cb186e45365f1280
ed56aa0 More precise comment sweeneyde Oct 24, 2020 https://github.com/python/cpython/pull/22904/commits/ed56aa0e384e061238bd11febb3459e795c1bf9c
f469766 code cleanups, increment a 'window' pointer rather than an index sweeneyde Oct 24, 2020 https://github.com/python/cpython/pull/22904/commits/f4697667341e63bf27824bb2fbae05e7bf9318b5
fe9e9d9 Fix sequence point warning; test cases to meet threshold sweeneyde Oct 25, 2020 https://github.com/python/cpython/pull/22904/commits/fe9e9d9c1f1c5f98c797d19e2214d1413701f6de
40d5217 Tighter inner loop; precompute the table sweeneyde Nov 2, 2020 https://github.com/python/cpython/pull/22904/commits/40d5217d37bb85f7eaa1cae90f54a3578aaddd82
a3c453d Revert "Tighter inner loop; precompute the table" sweeneyde Nov 2, 2020 https://github.com/python/cpython/pull/22904/commits/a3c453d2530da8215c13fdedc433dbce9d84d35f
5e82212 m cutoff to 100, n-m cutoff to 5000 sweeneyde Nov 7, 2020 https://github.com/python/cpython/pull/22904/commits/5e82212784b02accf7c07eff58ae640540d3ac37
5be10c7 Improve comments, always use memory in periodic case, and remove the … sweeneyde Jan 17, 2021 https://github.com/python/cpython/pull/22904/commits/5be10c7b4b16d9ff74c7ce5d8e987c797726919c
1801253 Make the algorithm adaptive sweeneyde Jan 17, 2021 https://github.com/python/cpython/pull/22904/commits/180125318757db709c86cdba5aee982495f155de
8fb8979 Add notes text document sweeneyde Jan 17, 2021 https://github.com/python/cpython/pull/22904/commits/8fb897949e3c5f7e35c1e9d1ca65e04ddb0831c2
e616bee skip starts at mlast sweeneyde Jan 17, 2021 https://github.com/python/cpython/pull/22904/commits/e616bee3bc27420e713cf76f4343d80328c30d3e
b63e7dc Refactor to use for-loops, single cache-line table sweeneyde Feb 27, 2021 https://github.com/python/cpython/pull/22904/commits/b63e7dc77f32e424a36e01ed229202574257cd1d
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