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Study of storage class memory (SCM) /NAND flash memory hybrid solid-state drive (SSD) is developed for enterprise storage system. The hybrid SSDs for enterprise applications require a large capacity. However, the larger hybrid SSD capacity becomes, the more energy is consumed. Then, through silicon-via (TSV) technology realizes to reduce energy consumption and footprint of the hybrid SSDs. In this...
Mobile systems such as smartphones and tablets are re-adopting swapping -- a mature but by rarely used OS feature -- to extend memory capacity without adding more DRAM, especially low-end devices. This resurgence of swapping in mobile systems has inspired both traditional "off-the-rack" schemes and new approaches based on compression and new hardware. Their vastly different designs, however,...
Application launch time in mobile systems is critical in many cases because it can adversely affect user experience. Android has employed several software techniques to reduce application launch time. For example, Android shares memory space among applications to reduce the loading time of libraries. It also keeps applications in memory, even after the applications are terminated, to reduce start-up...
Emerging mobile markets such as wearable electronics and Internet of Things necessitate innovations in embedded non-volatile memory (eNVM) for energy-efficient mobile computing and connectivity. In this paper, we briefly review how conventional eNVM has served current markets and investigate emerging eNVM in light of new mobile applications on the horizon. We propose spin-transfer-torque MRAM as a...
This article consists of a collection of slides from the author's conference presentation on storage clas memory - major technologies, systems, and applications. Some of the specific topics discussed include: types of technologies, i.e., disks, flash, and phase change memory; types of systems, including memory and storage systems; and key applications supported.
Since the very beginning of the flash memory era, the market has been dominated by the floating gate technology. However, as floating gate flash continues along a very steep scaling path, more and more barriers start to appear, limiting further scaling possibilities of the technology. At the same time, other concepts are preparing to take over. This paper concentrates on the prospect of high-k materials...
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