The Cray Scoreboard Approach. By Lisa Monaco March 14 2001. Seymour Cray. Built the world’s biggest and fastest computers for his time. He mainly built these computers for speed, what every customer wanted.
March 14 2001
The main disadvantage of the scoreboarding approach is that more internal buses are required for the sets of Functional Units. Also stalls cannot be eliminated, and dependencies between instructions can be removed several previous instructions ago.