System and method for persisting hardware transactional memory transactions to persistent memory

[0059]The emerging field of byte-addressable, Non-Volatile Memory (NVM) technology unveils a new area for researchers in both computer architecture and software design. Persistent Memory (PM) is a group of new technologies that include but is not limited to Phase Change Memory (PCM), battery backed DRAM, Magnetoresistive Random Access Memory, Spin-Transfer Torque Random Access Memory, Flash-backed DRAM, Resistive Random Access Memory, and other memristor based technologies. PCM shows promise in that it can achieve a high chip density and speed. These properties will enable the creation of systems with large amounts of persistent, byte-addressable memory that can replace slow, block based Flash or hard disk drives. Utilizing HTM for concurrency control mechanisms is difficult in that HTM transactions will abort if flushing values to a persistent log and, since all values are visible instantly after the HTM section, a subsequent cache eviction and failure, might corrupt an in-memory data