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n-body performance degradation from 1.7 to 1.8 #35

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llogiq opened this issue May 30, 2016 · 5 comments
Closed

n-body performance degradation from 1.7 to 1.8 #35

llogiq opened this issue May 30, 2016 · 5 comments

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@llogiq
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llogiq commented May 30, 2016

Isaac noted this on a rust-users' thread.

14.600s rustc 1.7.0
24.533s rustc 1.8.0

Someone should look into this.
@TeXitoi
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TeXitoi commented May 30, 2016

It must be llvm that doesn't auto simd the code.

@crumblingstatue
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Isn't it possible it regressed because of rust-lang/rust#31545?

@TeXitoi
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TeXitoi commented Mar 10, 2017

I don't think do, but that's a possibility.

@mati865
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mati865 commented Sep 10, 2018 •
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Guess this issue doesn't matter anymore after #70?

@TeXitoi
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TeXitoi commented Sep 10, 2018

Yep, thanks for the reminder.

@TeXitoi TeXitoi closed this as completed Sep 10, 2018
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@mati865 @crumblingstatue @llogiq @TeXitoi