As flash memory gains its huge momentum in the storage market, people have high expectation on other potential roles that could be played by non-volatile memory. It has been a grand challenge to position selected non-volatile memory technologies in the memory hierarchy. In this talk, I will take flash memory and phased change memory (PCM) as examples to address the challenges and design methodologies for non-volatile memory as a storage medium or to serve as the role of DRAM. The talk will be concluded by moving the discussion forward to the opportunities of non-volatile memory in system designs, such as server cache and data storage in data manipulation.
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