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I have a PC and processor is Xeon Gold 6248 @2.5G. I find it supports AVX512_VNNI instruction set according to the following information.
https://en.wikichip.org/wiki/intel/xeon_gold/6248
But when I test it with CPUID, it shows the processor cannot support AVX512_VNNI.
Does anyone have the exact information about it?
Thanks a lot!
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CPUID is a great utility, but sometimes has an incomplete database, so you should not use that as a test.
In this document, you will see that the Gold 6200 series supports VNNI:
Just search for "vnni" on page 10.
Doc
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Hello,
Thank you for contacting Intel Xeon Support.
I would like to know if the information provided by Al H. helps you to confirm those details?
If you have more questions please let me know and I will be more than happy to assist you.
Best regards,
Emeth O.
Intel Customer Support Technician
A Contingent Worker at Intel
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Hello,
Thank you for your support!
I think my processor is supporting AVX512_VNNI according to specification provided by Al H, but when I write a code using VPDPWSSD, the program crash.
VPDPWSSD zmm0, zmm1, zmm2
Can you give me some advice for AVX512_VNNI instruction?
Thanks
Best regards,
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Hello,
Thank you for the information provided.
Due to the fact you would like to know more details about the Vector Neural Network Instructions (AVX512 VNNI).
My best recommendation for you will be to visit our forums of software.intel.com (https://software.intel.com/en-us/forum).
As additional information, I found the following link related to this topic:
https://software.intel.com/en-us/articles/intel-advanced-vector-extensions-512-intel-avx-512-new-vector-neural-network-instruction
Please contact them and I am pretty sure that they will be more than happy to assist you with the most accurate information.
Have a wonderful day.
Best regards,
Emeth O.
Intel Customer Support Technician
A Contingent Worker at Intel
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