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Investigate sum_3_azip's performance #561

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bluss opened this issue Nov 23, 2018 · 1 comment
Open

Investigate sum_3_azip's performance #561

bluss opened this issue Nov 23, 2018 · 1 comment
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@bluss
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bluss commented Nov 23, 2018

benchmark sum_3_azip seems to perform abysmally compared with the equivalent sum_3_azip_fold, investigate why, and why the former doesn't autovectorize like the latter.
@LukeMathWalker LukeMathWalker mentioned this issue Mar 17, 2019
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mati865 commented Mar 6, 2022

The difference is minimal with current master and nightly:

test sum_3_azip                        ... bench:         825 ns/iter (+/- 130)
test sum_3_azip_fold                   ... bench:         820 ns/iter (+/- 105)

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