Using Non-Volatile Memory to Save Energy in Servers

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Provided by: edaa
Topic: Storage
Format: PDF
Recent breakthroughs in circuit and process technology have enabled new usage models for non-volatile memory technologies such as flash and Phase Change RAM (PCRAM) in the general purpose computing environment. These technologies display high density and low power consumption as well as persistency that are appealing properties in a memory device. This paper summarizes the authors' earlier paper on improving NAND flash based disk caches and extends it to consider PCRAM. They first present the primary challenges in reliably managing non-volatile memories such as NAND flash, reviewing their past paper on architectural support for flash manageability.
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