The reality is that AMD's CPUs don't yet properly support AVX-512, and Intel's CPUs provide good implementations (e.g., 3 cycle latency for the useful AVX-512 s

The reality is that AMD's CPUs don't yet properly support AVX-512, and Intel's CPUs provide good implementations (e.g., 3 cycle latency for the useful AVX-512 shuffle/permutes) with a big downclocking caveat AVX-512 will be great, eventually