We looked into this [1] and conclude: - throttling is a non-issue on Xeon Gold/Platinum; - AVX-512 startup overhead can hurt on Skylake, but AVX-512 is still

We looked into this [1] and conclude: - throttling is a non-issue on Xeon Gold/Platinum; - AVX-512 startup overhead can hurt on Skylake, but AVX-512 is still a net win for data sizes >= 100 KiB. - Startup overhead is a non-issue on Icelake and AMD Zen4. 1: https://github.com/google/highway/blob/master/hwy/contrib/sort/README.md#study-of-avx-512-downclocking https://github.com/google/highway/blob/master/hwy/contrib/so...