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Investigate sum_3_azip's performance #561

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Investigate sum_3_azip's performance#561
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performance

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@bluss
bluss
opened on 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.

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  1. bluss
    added
    performance
    on Nov 23, 2018

  2. mati865 commented on Mar 6, 2022

    @mati865
    mati865
    on 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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