avx512 usage

[Igor Shirkalin]

On Sunday, 21 January 2018 at 13:09:29 UTC, Johan Engelen wrote:
> On Sunday, 21 January 2018 at 12:52:41 UTC, Igor Shirkalin 
> wrote:
>> Hello,
>>
>> we use LDC to dynamically select compiled and optimized code 
>> with particular instructions set with help of @target pragma. 
>> To make this we take core.cpu module, but it can't detect 
>> avx512 instructions presence. Does LDC have its own some cpu 
>> instruction detection runtime routine(s) to make use of 
>> avx512-set?
>
> You can use mir.cpuid:
> https://code.dlang.org/packages/mir-cpuid
> https://github.com/libmir/mir-cpuid
>
> ( It would be great if you could write an article about how you 
> use dynamic selection and @target. It will be very helpful for 
> other D programmers. Contact Mike Parker if you want to write 
> something for the D blog, where he can help writing. 
> https://github.com/mdparker . Thanks! )

Johan, thanks for mir.cpuid direction.
I'll call for Mike's help about an article if it is really 
interesting and useful/helpful for D programmers.

Igor