It is possible to unlock AVX-512 on B660M bios.
At first I climbed to the forum where the bios is picking, I found that someone found something, and, by its naivety, I was going to setup BIOS with the AVX2 turned on and turned off, then compare, find the right byte and change ... I, of course , I didn’t find it, but I found the one who sent me a non -public version of F4 - thanks, - a link in the comment. They fixed the problems of productivity Non -K, but did not turn off the AVX512 - probably because it was removed from the site. Nevertheless, it was updated - and AVX -512 returned already in normal form. With a stress test from the CPU-Z, the frequencies that were scared before, did not notice.
It took time to rewrite the histogram from AVX2 on AVX512, and, I understood the complaints about the difficulty- part of the instructions that were on AVX2 could not be found, and I had to rewrite it differently.
In my case, AVX512 gave an increase of 25%. It was 8.21MS, it became 6.15MS. Not much, but not a few.
Conclusion: CPU 1/2 step closer to the GPU in vectorization, you can use it, and why it was blocked is not very clear.
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