How about implementing SPMD on SIMD for D?

Guillaume Piolat first.last at gmail.com
Mon Jul 9 10:06:23 UTC 2018


On Sunday, 8 July 2018 at 19:07:57 UTC, Random D user wrote:
>
> In my experience, you can only get the real benefits out of 
> SIMD if you carefully handcraft your hot loops to fully use it. 
> Sprinkling some SIMD here and there with a SIMD vector type, 
> doesn't really seem to yield big benefits.
>

I agree. That's why it's useful to have a (stable) syntax for 
such instruction like PMADDWD that can't be described with just 
operator overloading.



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