CHAPTER 4
Xeon Phi Core Microarchitecture
A processor core is the heart that determines the characteristics of a computer architecture. It is where the arithmetic and logic functions are mostly concentrated. The instruction set architecture (ISA) is implemented in this portion of the circuitry. Yet, in a modern-day architecture such as Intel Xeon Phi, less than 20 percent of the chip area is dedicated to the core. A survey of the development of the Intel Xeon Phi architecture will elucidate why its coprocessor core is designed the way it is.
The Intel Pentium Pro-based processors, designed around a long execution pipeline and a high degree of ...
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