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Lecture 5 - Memory Hierarchy (2010-01-26)

Lecture 5 - Memory Hierarchy (2010-01-26) - Chapter 3...

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1 Chapter 3: Memory and I/O Systems Modern Processor Design: Fundamentals of Superscalar P Processors Computer Science Department University of Central Florida Memory Hierarchy “Anyone can build a fast CPU. The trick is to build a fast system.” – Seymour Cray • Memory Memory Just an “ocean of bits” Many technologies are available Key issues Technology (how bits are stored) Placement (where bits are stored) Identification (finding the right bits) 2 Replacement (finding space for new bits) Write policy (propagating changes to bits) Must answer these regardless of memory type
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