4 ms·
That's fair to call me out on that, what I said wasn't clear. I think the broader point still stands though: don't look at the number of ISA instructions and th
by nickysielicki 7y ago
That's fair to call me out on that, what I said wasn't clear. I think the broader point still stands though: don't look at the number of ISA instructions and think that fewer instructions necessarily means performance improves.
I think that we also miss a piece of the puzzle in terms of what happens once you leave ISA instructions and get into uops. There's magic inside there and it's completely opaque.