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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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JamesSneed
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Joined: 2017-02-14
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Posts: 1665
Joined: 2017-02-14
#5997908 Posted on: 03/04/2022 12:37 AM
Probably for now but I wouldn't doubt Intel to start fusing that off in the new chips.
I don't think it's even microcode. I think it's just BIOS.
Probably for now but I wouldn't doubt Intel to start fusing that off in the new chips.
JamesSneed
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Posts: 1665
Joined: 2017-02-14
Senior Member
Posts: 1665
Joined: 2017-02-14
#5997909 Posted on: 03/04/2022 12:39 AM
i agree at heart.
but being local and knowing Intel the way i do i'm not being snarky or an ass when i say that's why they have the lawyers.
so they can do as they like and outlast anyone to getting to and through a court case.
this is better off as a complaint to a regulatory body as that's free.
the sad truth is they know this will affect only a tiny sliver of folks to mass market sales, but a noticeable increase in xeon sales at the exact same time Xeon is under siege.
and yes it is exactly market segregation.
The big picture it will work out. AMD will support AVX-512 and developers and people needing it will flock to AMD. So much easier when your full stack supports the same instructions.
i agree at heart.
but being local and knowing Intel the way i do i'm not being snarky or an ass when i say that's why they have the lawyers.
so they can do as they like and outlast anyone to getting to and through a court case.
this is better off as a complaint to a regulatory body as that's free.
the sad truth is they know this will affect only a tiny sliver of folks to mass market sales, but a noticeable increase in xeon sales at the exact same time Xeon is under siege.
and yes it is exactly market segregation.
The big picture it will work out. AMD will support AVX-512 and developers and people needing it will flock to AMD. So much easier when your full stack supports the same instructions.
rl66
Senior Member
Posts: 3604
Joined: 2007-05-31
Senior Member
Posts: 3604
Joined: 2007-05-31
#5997975 Posted on: 03/04/2022 11:16 AM
It will stay this way: AMD will have it and Intel will not...
Nice (stupid) move.
Even worse, AVX512 was one of the few features were they could differentiate themselves from AMD...
It will stay this way: AMD will have it and Intel will not...
Nice (stupid) move.
rl66
Senior Member
Posts: 3604
Joined: 2007-05-31
Senior Member
Posts: 3604
Joined: 2007-05-31
#5997978 Posted on: 03/04/2022 11:20 AM
Lemme get this clear.
The featured is present in the silicon, at hardware level.
But they choose not to enable it by some microcode alteration?
Have I got this clear?
For now yes, but in this news they said that they will physicaly remove it from new CPU and force OEM to upgrade bios to disable it on old one.
Lemme get this clear.
The featured is present in the silicon, at hardware level.
But they choose not to enable it by some microcode alteration?
Have I got this clear?
For now yes, but in this news they said that they will physicaly remove it from new CPU and force OEM to upgrade bios to disable it on old one.
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It appears INTEL has taken a page out of MICROSOFT'S playbook.
It also appears there is new virus that attacks politicians,miners, business companies called................................................................GREED.