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bpo-41361: Optimized argument parsing for deque_rotate #24796

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Merged
merged 3 commits into from
Mar 16, 2021
Merged

bpo-41361: Optimized argument parsing for deque_rotate #24796

merged 3 commits into from
Mar 16, 2021

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sweeneyde
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@sweeneyde sweeneyde commented Mar 9, 2021 •
edited by bedevere-bot
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@sweeneyde sweeneyde requested a review from rhettinger as a code owner March 9, 2021 05:18
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@rhettinger FWIW, with the refleak fixed, I got these benchmarks

Before, with PGO:

    rotate()   --> Mean +- std dev: 50.3 ns +- 1.9 ns
    rotate(1)  --> Mean +- std dev: 61.9 ns +- 2.7 ns
    rotate(-1) --> Mean +- std dev: 63.7 ns +- 0.8 ns

After, with PGO:

    rotate()   --> Mean +- std dev: 40.9 ns +- 0.4 ns
    rotate(1)  --> Mean +- std dev: 46.9 ns +- 0.3 ns
    rotate(-1) --> Mean +- std dev: 47.4 ns +- 0.3 ns

@rhettinger rhettinger merged commit 448801d into python:master Mar 16, 2021
@sweeneyde sweeneyde deleted the deque_rotate branch December 19, 2021 05:47
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@rhettinger rhettinger rhettinger approved these changes

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@sweeneyde @rhettinger @the-knights-who-say-ni @bedevere-bot