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Title: gh-90213: Speed up right shifts of negative integers by mdickinson · Pull Request #30277 · python/cpython · GitHub

Open Graph Title: gh-90213: Speed up right shifts of negative integers by mdickinson · Pull Request #30277 · python/cpython

X Title: gh-90213: Speed up right shifts of negative integers by mdickinson · Pull Request #30277 · python/cpython

Description: Taking some ideas from the work of @xuxinhang in #30044, this PR makes right shift of negative integers more efficient, by avoiding the need for temporary intermediate results. Closes #90213 https://bugs.python.org/issue46055

Open Graph Description: Taking some ideas from the work of @xuxinhang in #30044, this PR makes right shift of negative integers more efficient, by avoiding the need for temporary intermediate results. Closes #90213 https...

X Description: Taking some ideas from the work of @xuxinhang in #30044, this PR makes right shift of negative integers more efficient, by avoiding the need for temporary intermediate results. Closes #90213 https...

Opengraph URL: https://github.com/python/cpython/pull/30277

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gh-90213: Speed up right shifts of negative integers https://github.com/python/cpython/pull/30277/files#top
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9bf9dcd bpo-46055: Speed up right shifts of negative integers mdickinson Dec 27, 2021 https://github.com/python/cpython/pull/30277/commits/9bf9dcdd3342e9e770de23439065d46e07401a5c
ad69e48 Rework to remove duplication and move the shift==0 check earlier. mdickinson Dec 28, 2021 https://github.com/python/cpython/pull/30277/commits/ad69e48167b2719a5435a5915a57357a24f9add7
cf7de3b Update NEWS.d entry mdickinson Dec 28, 2021 https://github.com/python/cpython/pull/30277/commits/cf7de3b61ce7ef946a8ff5a067dead6dd1ff61cb
41de654 Revert unrelated spacing change mdickinson Dec 28, 2021 https://github.com/python/cpython/pull/30277/commits/41de654f314beec029806b57e5d3de9834509281
27843b1 Fix unidiomatic decrement mdickinson Dec 28, 2021 https://github.com/python/cpython/pull/30277/commits/27843b180f4267667a5639c30a7430e1d8b3644a
53a4e24 Don't handle the shift==0 special-case until we need to mdickinson Dec 28, 2021 https://github.com/python/cpython/pull/30277/commits/53a4e245f931eac4fbce4acae4c44dda55bad813
b3a1a8f Fix incompatible types mdickinson Dec 28, 2021 https://github.com/python/cpython/pull/30277/commits/b3a1a8f9d09f094cf2821da9bd3453ac6d750884
fd4ce81 Comment updates mdickinson Jan 9, 2022 https://github.com/python/cpython/pull/30277/commits/fd4ce81854531f419bd0617cd984c346038e3f60
447e508 Updates from review mdickinson Apr 12, 2022 https://github.com/python/cpython/pull/30277/commits/447e508c517f3e4a20520ac16a4eebb88ea37f7b
1bf4063 Clean up loop declarations mdickinson Apr 12, 2022 https://github.com/python/cpython/pull/30277/commits/1bf40635e705cec8a47e5cf33b98000a0ecb78d1
cfe47ac Fix comment mdickinson Apr 12, 2022 https://github.com/python/cpython/pull/30277/commits/cfe47ac5b1c688618362bd652680da18fc5fc12d
68e10a3 Remove an unnecessary 'else' branch mdickinson Apr 12, 2022 https://github.com/python/cpython/pull/30277/commits/68e10a3d16de71eb0a49cea0272b4d24d5deaac8
5d8d8ef New news entry mdickinson Apr 12, 2022 https://github.com/python/cpython/pull/30277/commits/5d8d8ef908710372d123c4565bbd62671463d682
c5e3f81 Merge remote-tracking branch 'upstream/main' into faster-rshift-of-ne… mdickinson Apr 12, 2022 https://github.com/python/cpython/pull/30277/commits/c5e3f816216e538977b833054bf65210e2242b2f
82c5ccd One more assert mdickinson Apr 12, 2022 https://github.com/python/cpython/pull/30277/commits/82c5ccdb7035a28aadb969a2f2958dc2b8469a95
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