Pipelining

Pipelining — First Principles What is pipelining? Pipelining is the technique of overlapping the execution of multiple instructions. An instruction consists of multiple pieces of work. Instead of completing one instruction entirely before starting the next, we divide the work into stages and let different instructions occupy different stages simultaneously. For a simple example: IF ID EX MEM WB Instruction 1 → → → → → Instruction 2 → → → → Instruction 3 → → → Instruction 4 → → At any moment, several instructions are being worked on, but each is at a different stage. ...