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 ...

The release of Intel’s 8086 microprocessor in 1978 was a watershed moment for personal computing. The DNA of that chip is likely at the center of whatever computer—Windows, Mac, or Linux—you’re using ...