Video gamers know about cheat codes, but assembly language programmers are often in search of undocumented instructions. One way to find them is to map out all of a CPU’s opcodes and where there are ...

Cache prefetching is what allows processors to have data and/or instructions ready for use in a fast local cache rather than having to wait for a fetch request to trickle through to system RAM and ...

In a nutshell: Intel has unveiled the latest revision of its pared-down X86S instruction set architecture. Version 1.2 takes the trimming trend further by axing multiple 16-bit and 32-bit features. It ...