11MEMORY ARCHITECTURE AND ORGANIZATION
This chapter discusses memory hierarchy—the different types and performance levels of memory found in computer systems. Although programmers often treat all forms of memory as though they are equivalent, using memory improperly can have a negative impact on performance. In this chapter you’ll see how to make the best use of the memory hierarchy within your programs.
11.1 The Memory Hierarchy
Most modern programs benefit by having a large amount of very fast memory. Unfortunately, as a memory device gets larger, it tends to be slower. For example, cache memories are very fast, but they are also small and expensive. ...
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