performance after avx disabled

[Saito_Nakamura]

Intel disabled avx on alder lake cpus.Did it affect the performance in workloads that use avx like 3d modelling ,Deep Learning, Data Compression etc.

 

[Eigenvektor]

From what I could find, they disabled AVX-512 and reduced performance for AVX2. https://www.igorslab.de/en/intel-deactivated-avx-512-on-alder-lake-but-fully-questionable-interpretation-of-efficiency-news-editorial/

 

I would say the obvious answer is yes, this will impact performance for software that actually uses these instruction sets.

[Chris Pratt]

It's not AVX en masse, just AVX-512. There wasn't much that actually used that instruction set, anyways, as 11th gen Intel was the first and only consumer line of CPUs to support it. That also means you're not really losing anything compared to virtually any other CPU on the market you might buy.

 

They probably cut it because it was highly inefficient from a power and thermal perspective. When you actually employed that instruction set on a 11th gen, you could fry an egg on the CPU.