Summary

LSQ, ROB, and RS

So how do the load-store queue, reorder buffer, and reservation stations (RS) play together in our out-of-order processor? The notes from the lecture below provide a high-level discussion.

lsq-rob-rs

Memory ordering quiz

Below is a quiz from the lectures wrapping up our understanding of where load instructions acquire their values using a LSQ.

memory-ordering-quiz-1