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Memory Systems by David Wang, Spencer Ng, Bruce Jacob

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CHAPTER 6

Cache Case Studies

This chapter presents details of cache organizations from three different contemporary microprocessors, mainly the Motorola MPC7450 (PowerPC ISA), the AMD Opteron (x86-64 ISA), and the Intel Itanium-2 (EPIC ISA) designs.

The logical organization of each cache architecture, including every level of the cache hierarchy, is first presented in brief detail (since these concepts have been explained thoroughly in the preceeding chapters), while notable features that are interesting in specific implementations are given more detailed explanations. This is followed by a presentation of the microprocessor block diagram, where each cache resides, to show how each cache interfaces to their respective processor pipeline. In ...

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