Question

What is the difference between speculative and out of order execution?

Answer 1

you used the term with respect to loads occurring on a mis-predicted branch, there it is not a question of out-of- order, and there isn't so much difference between

It's one of three components of out-of-order execution, also known as dynamic ... There are differences between how Intel, AMD, and ARM implement speculative

hope it helps u

Answer 2

Computer Architecture 2013– Out-of-Order Execution. 7. Out-of-order in a nutshell. • HW examines a sliding window of consecutive instructions. ❖ The “instruction window”.