performance issues with SIMD function

Imperatorn johan_forsberg_86 at hotmail.com
Fri Nov 3 15:17:43 UTC 2023


On Friday, 3 November 2023 at 15:11:31 UTC, Bogdan wrote:
> Hi everyone,
>
> I was playing around with the intel-intrinsics library, trying 
> to improve the speed of a simple area function. I could not see 
> any performance improvements from the non-SIMD implementation. 
> The SIMD version is a little bit slower even with LDC2 and 
> --o3. Can anyone help me to understand what I am missing?
>
> [...]

Did you try using std.vector or __vector first?


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