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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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Astyanax
Senior Member



Posts: 14950
Joined: 2018-03-21

#5978761 Posted on: 01/04/2022 03:04 AM
as far as im aware, disabling a feature once its been confirmed to work regardless of whether the feature is advertised is illegal.

Ivrogne
Senior Member



Posts: 149
Joined: 2019-06-21

#5978768 Posted on: 01/04/2022 03:56 AM
That being said it does seem nice for the 3 people that are doing like 5 billion layers of audio processing or running PS3 emulators lol


Ahhh, yes. It's really impressive for PS3 emulator...

Athlonite
Senior Member



Posts: 1351
Joined: 2007-11-09

#5978769 Posted on: 01/04/2022 03:58 AM
as far as im aware, disabling a feature once its been confirmed to work regardless of whether the feature is advertised is illegal.


Best someone tell that to Sony then they do it all the time

Astyanax
Senior Member



Posts: 14950
Joined: 2018-03-21

#5978773 Posted on: 01/04/2022 04:37 AM
Best someone tell that to Sony then they do it all the time


sony make you agree to feature changes in the update license you agree to before performing the update, you get no such luxury with bios updates.

KissSh0t
Senior Member



Posts: 12014
Joined: 2011-10-22

#5978776 Posted on: 01/04/2022 04:46 AM
sony make you agree to feature changes in the update license you agree to before performing the update, you get no such luxury with bios updates.


Are intel bios updates forced?

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