16
Multicore Processors
IN THIS CHAPTER, YOU WILL LEARN
- The concept of multicore processing
- How multicore processors are able to deliver enhanced performance
- What is meant by voltage and frequency scaling
- Some issues faced by multicore processors
- Implications of Amdahl’s law
- x86-based multicore processors of Intel and AMD
- High speed interconnects—HyperTransport and QPI
Introduction
In Chapter 15, the idea of enhancing performance was introduced. We discussed pipelining first and then moved on to superscalar techniques. It is not incorrect to say that performance enhancement is obtained using the concept of parallelization. Pipelining amounts to parallelization in the time domain and superscalar processing adds space domain parallelization ...
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