Storage

PRISM: Zooming in Persistent RAM Storage Behavior

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Executive Summary

It has been foreseen that some of the roles assumed by conventional rotating Hard Disk Drives (HDDs) will migrate to Solid-State Drives (SSDs) and emerging persistent RAM storages. New persistent RAM storages have critical advantages over HDDs and even SSDs in terms of performance and power. Persistent RAM technologies are flexible enough to be used for both storage and main memory - in future platforms, this flexibility will allow tighter integration of a system's memory and storage hierarchy. On the other hand, designers are faced with new technical issues to address to fully exploit the benefits of persistent RAM technologies and hide their downsides.

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