AVX-512 detection? #98

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1. grafikrobot commented on Feb 29, 2020

   

   grafikrobot

   on Feb 29, 2020

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   It's possible, and there is the MIC detection which is AVX-512. Is MIC the only cpu which implements AVX-512? But yes, the problem would be that in the current arrangement it would not be possible to define the individual subsets. It would have to be a single version number to identify it. Perhaps it could be an alternate/alias to MIC? @jfalcou and @ccharly what do you think?
2. jfalcou commented on Mar 1, 2020

   

   jfalcou

   on Mar 1, 2020

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   My stance on this matter as I tried to implement that in SPY :

   • Have a AVX512 detection macro ghat basically means you have 512 bits simd register
   • have a boolean macro for each sub system because avx512F does not mean Avx512dq is here

   Alternatively, we could have a version number for avx like 50000 and use bit field in the lower bits to mask tets each subsystem. This means maybe more macro