Zigzag decoding with AVX-512

The author discusses enhancements made to AVX-512 vertex decoding in meshoptimizer, focusing on optimizations for zigzag decoding of integers. The post details techniques and instructions that can improve computational efficiency using SIMD, while exploring a new instruction set (GFNI) for matrix manipulation. The post is technical and provides insights into intermediate optimizations and their results, ultimately demonstrating the complexities of using AVX-512 and its limitations in broader programming contexts.