Simplify the following text for a Grade 11 native English-speaking person.
Original: 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 .
Simplified: Some designs , such as UltraSPARC T1 used a simpler ( scalar , in-order ) designs in order to fit more processors on one piece of silicon .