Input (grade 13): Some designs, such as Sun Microsystems' UltraSPARC T1 have reverted back to simpler (scalar, in-order) designs in order to fit more processors on one piece of silicon.
Output (grade 11): Some designs, such as UltraSPARC T1 used a simpler (scalar, in-order) designs in order to fit more processors on one piece of silicon.