SIMD Shuffles SIMD works seamlessly when everything is vertical. Once we want to operate horizontally, we enter the esoteric world of shuffles and permutes. Oct 07, 2026 ∙ Paid This is the nineteenth video in Part 5 of the Performance-Aware Programming series. Please see the Table of Contents to quickly navigate through the rest of the course as it is updated, and the code repository for downloadable code listings. The full video is for paid subscribers Already a paid subscriber? Sign in Programming Courses A series of courses on programming topics.