You should check out https://software.intel.com/sites/landingpage/IntrinsicsGuide/ https://software.intel.com/sites/landingpage/IntrinsicsGuide.... Besides that

You should check out https://software.intel.com/sites/landingpage/IntrinsicsGuide/ https://software.intel.com/sites/landingpage/IntrinsicsGuide.... Besides that it probably is a good idea to figure out a concrete thing to implement, do an implementation in C/C++ and figure out using something like godbold how to improve the generated assembler code. HPC is not about assembler implementations at all, more about Problem specific algorithms and MPI.