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I will discuss how persistency programming can be achieved using write-ahead logging based transactions utilizing Intel PMEM instructions. We implement several common data structures and kernels and evaluate the performance overhead incurred over traditional non-persistent implementations. Currently, however, programs written for persistent memory are inefficient. In particular, we find that logging code produces significant overheads. While logging can be performed in hardware, a hardware approach unnecessarily restricts the number and size of durable transactions. 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