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Memory Systems by David Wang, Spencer Ng, Bruce Jacob

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CHAPTER 15

Memory System Design Analysis

In recent years, the importance of memory system performance as a limiter of computer system performance has been widely recognized. However, the commodity nature of mainstream DRAM devices means that DRAM design engineers are reluctant to add functionalities or to restructure DRAM devices that would increase the manufacturing cost of those devices. The direct consequence of the constraints on available features of commodity DRAM devices is that system architects and design engineers must carefully examine the system-level, multi-variable equations that trade off cost against performance, power consumption, reliability, user configuration flexibility, and a myriad of other design considerations. Consequently, ...

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