TY - GEN
T1 - A read-while-write-based out-of-order scheduling for high performance NAND flash-based storage devices
AU - Kim, Jin Young
AU - Park, Sang Hoon
AU - Seo, Hyeokjun
AU - You, Taehee
AU - Chung, Eui Young
PY - 2014
Y1 - 2014
N2 - Recently, Phase-change RAMs (PRAMs) are considered to be as a good candidate that can substitute as DRAM cache buffers (CBs) in NAND flash-based storage devices (NFSDs). PRAM is an adequate device to mobile consumer electronics thanks to low static power consumption, high density and non-volatility. However, in spite of many advantages over DRAM, asymmetric write/read speed of PRAM causes performance degradation in NFSD. In this paper, hence, we first propose a novel scheduling method for an NFSD with PRAM CB utilizing read-while-write (RWW) of PRAM. The method schedules NFSD's requests to service read and write simultaneously using RWW. In the experiment result, the proposed method reduces read and write latency on average by 30% and 19%, respectively.
AB - Recently, Phase-change RAMs (PRAMs) are considered to be as a good candidate that can substitute as DRAM cache buffers (CBs) in NAND flash-based storage devices (NFSDs). PRAM is an adequate device to mobile consumer electronics thanks to low static power consumption, high density and non-volatility. However, in spite of many advantages over DRAM, asymmetric write/read speed of PRAM causes performance degradation in NFSD. In this paper, hence, we first propose a novel scheduling method for an NFSD with PRAM CB utilizing read-while-write (RWW) of PRAM. The method schedules NFSD's requests to service read and write simultaneously using RWW. In the experiment result, the proposed method reduces read and write latency on average by 30% and 19%, respectively.
UR - http://www.scopus.com/inward/record.url?scp=84907302116&partnerID=8YFLogxK
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U2 - 10.1109/ISCE.2014.6884314
DO - 10.1109/ISCE.2014.6884314
M3 - Conference contribution
AN - SCOPUS:84907302116
SN - 9781479945924
T3 - Proceedings of the International Symposium on Consumer Electronics, ISCE
BT - ISCE 2014 - 18th IEEE International Symposium on Consumer Electronics
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 18th IEEE International Symposium on Consumer Electronics, ISCE 2014
Y2 - 22 June 2014 through 25 June 2014
ER -