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Title: GH-100425: Timing experiment: For builtin_sum, try replacing Fast2Sum with 2Sum by rhettinger · Pull Request #100860 · python/cpython · GitHub

Open Graph Title: GH-100425: Timing experiment: For builtin_sum, try replacing Fast2Sum with 2Sum by rhettinger · Pull Request #100860 · python/cpython

X Title: GH-100425: Timing experiment: For builtin_sum, try replacing Fast2Sum with 2Sum by rhettinger · Pull Request #100860 · python/cpython

Description: On the Apple M1 Max, this change makes no difference. I get 303/304 nsec per loop before and after the edit. Would anyone care to run this on their builds and report back the results? % ./python.exe -m timeit -r21 -s 'n=100' -s 'from random import expovariate as r' -s 'v1=[r(1000) + r(0.125) for i in range(n)]' 'sum(v1)' 1000000 loops, best of 21: 304 nsec per loop Issue: gh-100425

Open Graph Description: On the Apple M1 Max, this change makes no difference. I get 303/304 nsec per loop before and after the edit. Would anyone care to run this on their builds and report back the results? % ./python.e...

X Description: On the Apple M1 Max, this change makes no difference. I get 303/304 nsec per loop before and after the edit. Would anyone care to run this on their builds and report back the results? % ./python.e...

Opengraph URL: https://github.com/python/cpython/pull/100860

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adeb117 Replaced Fast2Sum with 2Sum rhettinger Jan 8, 2023 https://github.com/python/cpython/pull/100860/commits/adeb1176aac60579c9a1c566fae52232d5fd65b6
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