Performing Sound Flash Device Measurements: Some Lessons from uFLIP

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Provided by: Association for Computing Machinery
Topic: Storage
Format: PDF
It is amazingly easy to get meaningless results when measuring flash devices, partly because of the peculiarity of flash memory, but primarily because their behavior is determined by layers of complex, proprietary, and undocumented software and hardware. In this paper, the authors share the lessons they learnt developing the uFLIP benchmark and conducting experiments with a wide range of flash devices. They illustrate the problems that are actual obstacles to sound performance and energy measurements, and they show how to mitigate the effects of these problems.
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