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Intel now deactivates AVX-512 capability on new Alder Lake CPUs
And that would be fused on a hardware level. Whilst AVX-512 was not officially supported on the chips, it was useable on Alder Lake on several motherboards.
According to an unnamed source, AVX-512 has been fully disabled in recent editions of Intel's Alder Lake non-K CPUs. This was later confirmed by Intel. "While AVX-512 was not fuse-disabled on select early Alder Lake desktop devices," a company official informed Tom's Hardware, "Intel expects to do so on Alder Lake products in the future."
Most 600-series motherboards later received an upgrade that eliminated official support for AVX512. Surprisingly, several firms attempted to provide partial support via secret BIOS settings. However, this is expected to change shortly, since the revised Alder Lake silicon will no longer have this area of the device physically activated. If you want AVX-512 capability with Intel's latest designs, you'll have to upgrade to its more costly Xeon CPUs. Meanwhile, AMD is said to be adding AVX-512 support to its Zen 4 processors, which is an unusual twist if Intel continues to refuse to support the instructions on consumer devices.
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rl66
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#5998058 Posted on: 03/04/2022 04:02 PM
same here lol
Intel has had it for many years on HEDT plattform. Not many people care about it. People just care if the take it away LOL. My 4.5 years old 7980xe has Avx 512. Never used avx 512 other than benchmarks :p
same here lol
NewTRUMP Order
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#5998074 Posted on: 03/04/2022 04:50 PM
Oh I see so it's ok to disable something you own as long as you are ignorant.
They never sold you AVX-512. It was never part of their marketing or specification. You only knew about it because some people poked around in it. Therefor, they have no obligation to keep it or give it to you.
Oh I see so it's ok to disable something you own as long as you are ignorant.
nekrosoft13
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#5998088 Posted on: 03/04/2022 05:57 PM
on the new chips they blew the fuse on silicon level, so it will never enable any more, doesn't matter what bios you are using
I don't think it's even microcode. I think it's just BIOS.
on the new chips they blew the fuse on silicon level, so it will never enable any more, doesn't matter what bios you are using
nizzen
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Posts: 2321
Joined: 2005-08-05
#5998093 Posted on: 03/04/2022 06:04 PM
And no one actually care. That's the best part
on the new chips they blew the fuse on silicon level, so it will never enable any more, doesn't matter what bios you are using
And no one actually care. That's the best part
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It will stay this way: AMD will have it and Intel will not...
Nice (stupid) move.
Intel has had it for many years on HEDT plattform. Not many people care about it. People just care if the take it away LOL. My 4.5 years old 7980xe has Avx 512. Never used avx 512 other than benchmarks :p