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Title: bpo-44946: Streamline operators and creation of ints for common case of single 'digit'. by markshannon · Pull Request #27832 · python/cpython · GitHub

Open Graph Title: bpo-44946: Streamline operators and creation of ints for common case of single 'digit'. by markshannon · Pull Request #27832 · python/cpython

X Title: bpo-44946: Streamline operators and creation of ints for common case of single 'digit'. by markshannon · Pull Request #27832 · python/cpython

Description: The Python programming language. Contribute to python/cpython development by creating an account on GitHub.

Open Graph Description: Modest speedup of 1% The speedup is unexciting, although every little helps. However, this will help with specialization of integer operations, as that will remove additional overhead. The obvious ...

X Description: Modest speedup of 1% The speedup is unexciting, although every little helps. However, this will help with specialization of integer operations, as that will remove additional overhead. The obvious ...

Opengraph URL: https://github.com/python/cpython/pull/27832

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Commits17 (17)https://github.com/python/cpython/pull/27832/commits
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bpo-44946: Streamline operators and creation of ints for common case of single 'digit'.https://github.com/python/cpython/pull/27832/commits#top
markshannonhttps://github.com/markshannon
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faster-cpython:streamline-medium-intshttps://github.com/faster-cpython/cpython/tree/streamline-medium-ints
Streamline binary operations and creating new int objects for common case of single 'digit'.https://github.com/python/cpython/pull/27832/commits/da57f0b369f62a07715c5f7e00684768794a273b
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Make sure that all ints, even internal, temporary ones, have at least one digit.https://github.com/python/cpython/pull/27832/commits/0533a9f891f0c54616eef369239cd6554972816f
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Readability improvements as suggested by Victor Stinner.https://github.com/python/cpython/pull/27832/commits/9349daa9b9d763a2d3114f7d4ae30254033716d6
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Prefix private function name with _https://github.com/python/cpython/pull/27832/commits/96496e256d87dba6e4554642e445885fd4799af0
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Reduce the number of casts.https://github.com/python/cpython/pull/27832/commits/5e4aad51ed94127100029d032d866445e0057037
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markshannonhttps://github.com/python/cpython/commits?author=markshannon
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Avoid casting away top bits.https://github.com/python/cpython/pull/27832/commits/59ba47614f136ab0a68660ecd33a3a62c38c44d6
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Streamline integer negation and invert a bit. Suggested by Mark Dickinson.https://github.com/python/cpython/pull/27832/commits/0d3ca1d8e7dc06ff0c273861b1b97ef2bd604bd5
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Clarify comment and internal function name. Remove a bit of redundant code.https://github.com/python/cpython/pull/27832/commits/c73333ba8d916cb7c2afeb573384fda62f18a53e
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Remove two more narrowing casts.https://github.com/python/cpython/pull/27832/commits/16d316702da83125e8a68a92f532ac4686b541a8
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Change _PyLong_FromLarge to use correctly sized int.https://github.com/python/cpython/pull/27832/commits/f20a2a803231530845344851f2f0df7c3dc14e9c
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Avoid more narrowings.https://github.com/python/cpython/pull/27832/commits/ab2b908b57654162a07b9876aa361664a6642f12
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Revert get_small_int to taking a sdigit. Place narrowing casts in correct places.https://github.com/python/cpython/pull/27832/commits/e43060a0ebfd0f5415470fd8bf05d0569fa509db
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Use _PyLong_FromSTwoDigits not PyLong_FromLong in long_add.https://github.com/python/cpython/pull/27832/commits/ed2a4303ddcf4d92adcfc95f2d199b76b5b6179d
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Implement PyLong_FromLong separately from _PyLong_FromSTwoDigits to allow for 15 bit digits on 64 bit machines.https://github.com/python/cpython/pull/27832/commits/1f2d47c5b2d9c5c300d16443d33f58af75873db6
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Don't overflow shift in PyLong_FromLong.https://github.com/python/cpython/pull/27832/commits/649c31180fbf72416cfe3d063ca592769e2cf049
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Convert IS_MEDIUM_INT macro to inline function.https://github.com/python/cpython/pull/27832/commits/a69f420e9f81e21cdcda5d57fa8d11e70139f680
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