Agner Fog's page of optimization resources might have some things that interest you: https://www.agner.org/optimize/ https://www.agner.org/optimize/ One notabl

Agner Fog's page of optimization resources might have some things that interest you: https://www.agner.org/optimize/ https://www.agner.org/optimize/ One notable use of raw assembly is that Intel themselves contribute optimized strcpy etc. implementations to glibc. You might find it interesting to go see how the most recent ones work.