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High reliability, availability, and serviceability are critical for modern large-scale computing systems. As an effective error recovery mechanism, checkpointing has been widely used in such systems for their survival from unexpected failures. The conventional checkpointing schemes, however, are time-consuming due to the limited I/O bandwidth between the DRAM-based main memory and the backup storage...
Emerging Non-Volatile Memories (NVM) such as Spin-Torque Transfer RAM (STT-RAM) and Resistive RAM (RRAM) have been explored as potential alternatives for traditional SRAM-based Last-Level-Caches (LLCs) due to the benefits of higher density and lower leakage power. However, NVM technologies have long latency and high energy overhead associated with the write operations. Consequently, a hybrid STT-RAM...
Various new nonvolatile memory (NVM) technologies have emerged recently. Among all the investigated new NVM candidate technologies, spin-torque-transfer memory (STT-RAM, or MRAM), phase-change random-access memory (PCRAM), and resistive random-access memory (ReRAM) are regarded as the most promising candidates. As the ultimate goal of this NVM research is to deploy them into multiple levels in the...
Emerging non-volatile memory (NVM) technologies are getting mature in recent years. These emerging NVM technologies have demonstrated great potentials for the universal memory hierarchy design. Among all the technology candidates, resistive random-access memory (RRAM) is considered to be the most promising as it operates faster than phase-change memory (PCRAM), and it has simpler and smaller cell...
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