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Dav1d 1.2.1 vylepšuje podpru AVX-512, už je výrazně lepší než AVX2

Když se k AVX-512 chová Intel s takovým opovržením, tak přeci nemohou mít takový význam. Lidé z Intelu jsou inteligentní a vědí co a jak.

Intel hlavne vie, ako "deoptimalizovať" kód pre AMD Zen..

AMD Zen 4 CPUs To See Up To 20% Speedup In y-cruncher Benchmark Thanks To AVX-512
Jun 7, 2023 11:05 AM EDT
One of the biggest performance uplifts can be seen on the AMD Zen 4 CPUs with the Ryzen 9 7950X gaining up to 31% better performance. Yee states that we can expect Zen 4 to gain up to 20% speedup from the AVX-512 instruction set alone versus just AVX2 (no wider execution unit needed).

This is definitely going to be a major boost for AMD CPUs that feature AVX-512 whereas Intel's CPUs including the upcoming Meteor Lake chips won't be getting AVX-512 support on the client side. The Intel Alder Lake CPUs accidentally featured AVX-512 support at launch but Intel had to later remove it entirely from newer batches and 13th Gen Raptor Lake chips were void of any AVX-512 support.
https://wccftech.com/amd-zen-4-cpus-up-to-20-percent-speedup-in-y-cruncher-benchmark-avx-512/

Intel potřeboval AMD aby jim ukázali, jak na to.

Analogie jsou.