3 ms·
It's about dependency chains (and fewer bytes, easier decoding, and fewer µops). The OOO core can do more if it has more (but shorter) dependency chains to wor
by peterfirefly 12y ago
It's about dependency chains (and fewer bytes, easier decoding, and fewer µops). The OOO core can do more if it has more (but shorter) dependency chains to work with.
http://www.agner.org/optimize/microarchitecture.pdf http://www.agner.org/optimize/microarchitecture.pdf
§7.7.