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Title: bpo-44376 - reduce pow() overhead for small exponents by tim-one · Pull Request #26662 · python/cpython · GitHub

Open Graph Title: bpo-44376 - reduce pow() overhead for small exponents by tim-one · Pull Request #26662 · python/cpython

X Title: bpo-44376 - reduce pow() overhead for small exponents by tim-one · Pull Request #26662 · python/cpython

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Open Graph Description: BPO-44376 Reduce pow() overhead for small exponents. Incidentally fixed a refcount oversight for negative exponents. https://bugs.python.org/issue44376

X Description: BPO-44376 Reduce pow() overhead for small exponents. Incidentally fixed a refcount oversight for negative exponents. https://bugs.python.org/issue44376

Opengraph URL: https://github.com/python/cpython/pull/26662

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Repair that, e.g, pow(False, 1) returned False instead of 0.https://github.com/python/cpython/pull/26662/commits/ff6e798d741f531f10cda5dea4ff56380bf44c76
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Fixed typo in comment.https://github.com/python/cpython/pull/26662/commits/7f867fa078862e6de62c132dcac0e0efaf7f4dc8
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June 11, 2021 11:22https://github.com/python/cpython/pull/26662#commits-pushed-e8c4034
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Search for the most significant exponent bit right-to-lefthttps://github.com/python/cpython/pull/26662/commits/e8c403485926e192bb4021d0ddf586e4ba0fc4fb
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Merge remote-tracking branch 'upstream/main' into powdighttps://github.com/python/cpython/pull/26662/commits/735a887f2267e34c7b5a86c1f4d5b4cc166dc852
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Skip the binary business entirely for exponents <= 3. It can't winhttps://github.com/python/cpython/pull/26662/commits/7587a02540b0d6420625228c3d461bd58be6585a
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Make the bitmask variable of type digit. Using a giant signed inthttps://github.com/python/cpython/pull/26662/commits/2386d8833d9bfc6c1ce563b63fb7874c6fd2a4c8
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