F5F Stay Refreshed Hardware Desktop Results following AVX deactivation

Results following AVX deactivation

Results following AVX deactivation

L
Lips
Senior Member
624
07-12-2021, 04:54 PM
#1
Intel turned off AVX for Alder Lake processors. This change impacted performance in tasks relying on AVX such as 3D modeling, deep learning, and data compression.
L
Lips
07-12-2021, 04:54 PM #1

Intel turned off AVX for Alder Lake processors. This change impacted performance in tasks relying on AVX such as 3D modeling, deep learning, and data compression.

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iKegreenS_
Posting Freak
878
07-13-2021, 01:34 AM
#2
From what I gathered, AVX-512 was turned off and AVX2 was lowered, which likely hurt performance for programs relying on those features.
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iKegreenS_
07-13-2021, 01:34 AM #2

From what I gathered, AVX-512 was turned off and AVX2 was lowered, which likely hurt performance for programs relying on those features.

O
OreoBerry
Member
60
07-22-2021, 08:15 AM
#3
It wasn't a full AVX usage, just AVX-512. Most applications didn't take advantage of it, since the 11th generation Intel line was the only consumer CPU offering it. This suggests you're not sacrificing much compared to other chips you could purchase. They likely avoided it because it was very power-hungry and generated excessive heat. Using it would have been risky—could easily damage the processor.
O
OreoBerry
07-22-2021, 08:15 AM #3

It wasn't a full AVX usage, just AVX-512. Most applications didn't take advantage of it, since the 11th generation Intel line was the only consumer CPU offering it. This suggests you're not sacrificing much compared to other chips you could purchase. They likely avoided it because it was very power-hungry and generated excessive heat. Using it would have been risky—could easily damage the processor.