Advanced superscalar processors - Characteristics
Aggressive speculation, such as a very aggressive dynamic branch predictor,
very-wide-issue superscalar processing (an issue width of 16 or 32 instructions per cycle),
a large number of reservation stations to accommodate 2,000 instructions,
24 to 48 highly optimized, pipelined functional units,
sufficient on-chip data cache, and
sufficient resolution and forwarding logic.