AVX512DQ
AVX512DQ, short for Advanced Vector Extensions 512 Doubleword and Quadword, is an extension of Intel’s AVX‑512 instruction set architecture. It was introduced as part of the Xeon Scalable "Broadwell‑EP" processors and later integrated into subsequent Intel server and workstation microarchitectures such as Skylake‑Server, Cascade Lake, and Rocket Lake. The extension adds new instructions that permit 512‑bit operations on double‑precision floating‑point (64‑bit) and integer (32‑bit) data types, as well as support for quadword integer accumulation.
The core contribution of AVX512DQ is the expansion of arithmetic and logical operations that can be performed
Hardware support for AVX512DQ is limited to Intel’s high‑end Xeon and some Core models, while AMD’s Zen
The introduction of AVX512DQ has driven optimizations in many numerical libraries, including Intel MKL, OpenBLAS, and