On Sun, 8 Oct 2023 06:18:13 GMT, Danny Thomas <d...@openjdk.org> wrote:
> A [discussion on > Reddit](https://www.reddit.com/r/java/comments/171t5sj/heads_up_openjdk_implementation_of_avx512_based/) > raised that this had the potential to regress sort performance on AMD Zen 4. > The poster didn't have access to Zen 4 hardware, so I took a moment to run > the benchmark, comparing against a baseline with `UseAVX=2` on an AWS > `m7a.2xlarge`: > Hello Daniel (@DanielThomas ), Thank you for sharing the data. Will issue a new PR to restrict the AVX512 sort to Intel CPUs only for the time being. Thanks, Vamsi ------------- PR Comment: https://git.openjdk.org/jdk/pull/14227#issuecomment-1753495000
