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Energy harvesting is replacing battery to power embedded systems such as Internet of Things and wearable devices. Unstable energy supply brings challenges to energy harvesting powered system, resulting in frequent interruptions. Non-volatile processor is proposed to back up volatile logics before energy depletion and recover the system status after energy resumes. The backup efficiency of memory content...
Non-volatile memory (NVM), such as PCM, STT-MRAM, and ReRAM, makes it possible to integrate secondary storage into main memory. This integration reduces I/O access times to typically slow block devices; however, it is unrealistic to construct a large capacity main memory with a single NVM at this time, because NVM have disadvantages regarding write access. Combining NVM and other memory devices is...
Replacing of DRAM in main memory with non-volatile memory (NVM) has several merits. However, NVM under development has some limitations in write operation. To overcome it, some previous researches proposed NVM/DRAM hybrid memory architecture. In the architecture, it needs to determine data placements between NVM and DRAM. In this paper, we advocate that programming language runtimes are useful for...
There are many researches and developments on byte accessible non-volatile memory (NVM). Byte accessible NVM can be used as not only storage but also main memory. Non-volatile main memory has two significant merits: reducing power consumption of main memory, flexible system standby and fast resume. However, NVM has bottlenecks in writing and limitation on the number of writing. To overcome this problem,...
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