Post #975 94.9K May 10, 2023, 07:30 UTC Can You Trust a Compiler to Optimize Your Code?https://matklad.github.io/2023/04/09/can-you-trust-a-compiler-to-optimize-your-code.html matklad.github.io Can You Trust a Compiler to Optimize Your Code? More or less the title this time, but first, a story about SIMD. There are three levels of understanding how SIMD works (well, at least I am level 3 at the moment):