core.traits?

[bioinfornatics]

On Friday, 11 January 2019 at 09:36:09 UTC, Ethan wrote:
> On Thursday, 10 January 2019 at 21:01:09 UTC, luckoverthere 
> wrote:
>> That's disappointing to learn. Ryzen has four 128-bit AVX 
>> units, 2 of them can only do addition and the other 2 can only 
>> do multiplication. Not sure how the memory is shared between 
>> units but if it isn't then it'd need to copy to be able to do 
>> an addition then a multiplication.
>
> The good news though is that Ryzen's 128-bit pipeline 
> outperforms my Skylake i7 with this code. So you could say 
> they've optimised for the majority usecase.
>
> It's reaaaaaally beneficial to do 256-bit logic for my 
> particular use case here since I'm sampling and operating on 8 
> 32-bit values at a time to produce a 32-bit output. But eh, 
> I've gotta write for the build farm hardware.

Hi ethan, could you share a piece of code to do that ?

thanks you