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Guru3D.com » News » Intel will disable support for AVX-512 on Alder Lake processors.

Intel will disable support for AVX-512 on Alder Lake processors.

by Hilbert Hagedoorn on: 01/03/2022 09:37 AM | source: | 23 comment(s)
Intel will disable support for AVX-512 on Alder Lake processors.

With a new microcode, Intel seems to be disabling and removing AVX-512 capabilities from Alder Lake CPUs. AVX-512 is currently only supported on Alder Lake through the use of a workaround.

Intel does not promote AVX-512 for Alder Lake, despite the fact that the instruction set was heavily promoted for a couple of its previous-generation client-segment CPUs, especially the 11th Generation Rocket Lake and 10th Generation Cascade Lake-X HEDT processors. AVX-512 is likely to be a feature that differentiates the company's next-generation HEDT processors based on Sapphire Rapids, its future enterprise microarchitecture. Even though AVX-512 is not officially supported on Alder Lake CPUs, software that requires these instructions may be able to operate on certain 12th Generation Core processors when used in conjunction with older versions of Intel ME firmware.

In addition to energy efficiency concerns, Intel's decision to deprecate the few AVX-512 instructions available for Core processors could have been driven by the lack of enthusiasm shown by client application authors for the instructions. In the high-performance computer and cloud computing industries, this command is more appropriate than for the general public.

 



Intel will disable support for AVX-512 on Alder Lake processors.




« Sega has the fastest PC in the world ... it reaches 100km/h · Intel will disable support for AVX-512 on Alder Lake processors. · The Consumer Electronics Show (CES) 2021 will close one day earlier on January 7th. »

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tsunami231
Senior Member



Posts: 12867
Joined: 2003-05-24

#5978777 Posted on: 01/04/2022 04:52 AM
how exactly are they gona "force" a bios update? those are general thing the user would have to do and most dont out side power users and most then dont

Espionage724
Senior Member



Posts: 486
Joined: 2020-08-21

#5978782 Posted on: 01/04/2022 05:25 AM
how exactly are they gona "force" a bios update? those are general thing the user would have to do and most dont out side power users and most then dont


Microcode updates are generally included in OS updates as well, along with BIOS updates.

tsunami231
Senior Member



Posts: 12867
Joined: 2003-05-24

#5978787 Posted on: 01/04/2022 06:04 AM
can it be disable via microcode? if so it would require INTEL to push it to MS and have MS them selves push is

How like is MS to do that IF it not security realated?

RealNC
Senior Member



Posts: 3671
Joined: 2011-11-24

#5978788 Posted on: 01/04/2022 06:08 AM
AVX-512 wasn't exactly received well by some devs. Torvalds wished it a "painful death":

https://www.zdnet.com/article/linus-torvalds-i-hope-intels-avx-512-dies-a-painful-death/

Astyanax
Senior Member



Posts: 13403
Joined: 2018-03-21

#5978810 Posted on: 01/04/2022 09:32 AM
AVX-512 wasn't exactly received well by some devs. Torvalds wished it a "painful death":

https://www.zdnet.com/article/linus-torvalds-i-hope-intels-avx-512-dies-a-painful-death/

Torvalds is an angry bitter sensationalist who can't seem to understand why Linux is only welcome on routers and nas devices.

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