3 ms·
AMD is supposed (or does) have very good branch predictors. What's interesting to me is they don't do a re-steering of the wrong prediction well before later in
by throwawaylinux 5y ago
AMD is supposed (or does) have very good branch predictors. What's interesting to me is they don't do a re-steering of the wrong prediction well before later instructions are issued to the back end.
Maybe their BTB is that good that they didn't see it worth investing in the control logic for it.