RFR: 8317763: Follow-up to AVX512 intrinsics for Arrays.sort() PR

[Andrew Haley]

On Tue, 10 Oct 2023 18:40:30 GMT, R1chterScale <duke at openjdk.org> wrote:

> Forgive me, I might be missing something very obvious, but is there any particular reason to entirely disable the SIMD accelerated sort on Zen 4 rather than having an alternate code path for Zen 4 where it has the `compressstoreu` instructions split up into separate `compress` and `storeu` instructions so that Zen 4 platforms can still benefit from a decent degree of performance uplift from AVX512 acceleration of sort?

I don't think you're missing anything. This should be done, rather than disabling the intrinsic.

-------------

PR Comment: https://git.openjdk.org/jdk/pull/16124#issuecomment-1757248773