, 1 min read
Trying harder to make AVX-512 look bad: my quantified and reproducible results
One thought on “Trying harder to make AVX-512 look bad: my quantified and reproducible results”
, 1 min read
One thought on “Trying harder to make AVX-512 look bad: my quantified and reproducible results”
Some cipher routines with AVX-512 instructions can affect performance of web servers by slowing down them on ~10% when running them on 24-core Xeon:
https://blog.cloudflare.com/on-the-dangers-of-intels-frequency-scaling/amp/
BTW, latest RC of JDK 11 disables AVX-512 by default:
http://hg.openjdk.java.net/jdk/jdk11/rev/943cf1675b59?revcount=10000