It’s actually a fairly old technique, which has been applied in other processors before! I recall and arm processor used the technique as well as AMD’s piledriv

It’s actually a fairly old technique, which has been applied in other processors before! I recall and arm processor used the technique as well as AMD’s piledriver. https://www.cs.utexas.edu/~lin/papers/tocs02.pdf https://www.cs.utexas.edu/~lin/papers/tocs02.pdf https://www.cs.utexas.edu/~lin/papers/hpca01.pdf https://www.cs.utexas.edu/~lin/papers/hpca01.pdf