Integrating PCM into the memory hierarchy PCM for main memory Replacing dram with PCm to achieve larger main memory capacity PCM for auxiliary memory PCM as a write buffer for HDd/SSD DISK Buffering dirty page to minimize the disk write l / os PCM as secondary storage Storing log recordsIntegrating PCM into the Memory Hierarchy • PCM for main memory – Replacing DRAM with PCM to achieve larger main memory capacity • PCM for auxiliary memory – PCM as a write buffer for HDD/SSD DISK Buffering dirty page to minimize the disk write I/Os – PCM as secondary storage Storing log records