What are the Microarchitecture Enhancements in Penryn?
Microarchitecture refers to the implementation of the ISA in silicon, including cache memory design, execution units, and pipelining. Microarchitecture is enhanced with each processor generation, delivering improvements in performance, energy efficiency, and capabilities while still maintaining application-level compatibility. In fact, benefits from many microarchitecture enhancements can be achieved without any modification or recompilation of code.