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DAPU CSO gave a keynote at the 22nd Storage Summit

Number of visits: Date:2016-9-22





Opportunities and Challenges Faced by DRAM/Flash/NVRAM Technologies

Big data applications demand high speed, reliable, and energy efficient data storage systems. Traditional storage architectures have fundamental limitations because of legacy systems that have centered on spinning hard disk drives. With rapid advances in DRAM and nonvolatile memories such as NAND-gate flash, phase change memory, Memristor, and magnetic RAM, a great opportunity exists for optimizing storage architectures. This talk will summarize recent developments in semiconductor memory technologies and their potential roles in storage systems. From system architecture perspective, we analyze respective significance of each memory technology. To build optimal storage systems, storage hierarchy is the way to go. We introduce a new concept: "Content Locality" for storage hierarchy design. Based on this new concept, various memory/storage architectures will be presented and compared in terms of how they exploit the physical properties of various memory technologies as well as memory access behaviors at customer sites. Quantitative evaluations of memory performances and market trend will be discussed and explored as well.

 

Qing Yang is Distinguished Engineering Professor in the Department of Electrical, Computer, and Biomedical Engineering at University of Rhode Island. He is a director of High Performance Computing Lab (HPCL) of URI and is a recipient of many accomplishment awards at URI. His research interests include computer architecture, memory and storage systems, computer networks, embedded computer systems and applications in neural-machine interface and biomedical engineering. He has published over 100 technical articles in these areas and held over a dozen issued patents and over a dozen pending applications. Majority of his patents have been licensed to computer industry with significant practical impacts. Four high tech startup companies have been formed based on his patents. His latest startup, VeloBit, was based on I-CASH architecture and was successfully acquired by Western Digital in July 2013. Yang is a Fellow of IEEE. He has served in the professional society in various capacities including general chair of the ACM/IEEE International Symposium on Computer Architecture (ISCA2011), IEEE international Conference on Network, Architecture, and Storage (NAS), IEEE Workshop on Storage Network Architecture and Parallel I/Os (SNAPI); IEEE Distinguished Speaker; Editor of IEEE Transactions; and Program Committee member of numerous international conferences. Besides being a principal investigator of many academic research projects, Yang has also done collaborative research with IBM, Intel, EMC, Freescale, and several startup companies in the Boston area.

Links: http://stlab.wnlo.hust.edu.cn/ncis2016/reports.html

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