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Delayed Dual Buffering: Reducing Page Fault Latency in Demand Paging for OneNAND Flash Memory  

Joo, Yong-Soo (School of Computer Science and Engineering, Seoul National University)
Park, Jae-Hyun (School of Computer Science and Engineering, Seoul National University)
Chung, Sung-Woo (Division of Computer and Communication Engineering, Korea University)
Chung, Eui-Young (School of Electrical & Electronic Engineering, Yonsei University)
Chang, Nae-Hyuck (School of Computer Science and Engineering, Seoul National University)
Publication Information
Journal of the Institute of Electronics Engineers of Korea SD / v.44, no.3, 2007 , pp. 43-51 More about this Journal
Abstract
OneNAND flash combines the advantages of NAND and NOR flash, and has become an alternative to the former. But the advanced features of OneNAND flash are not utilized effectively in demand paging systems designed for NAND flash. We propose delayed dual buffering, a demand paging system which fully exploits the random-access I/O interface and dual page buffers of OneNAND flash demand paging system. It effectively reduces the time of page transfer from the OneNAND page buffer to the main memory. On average, it achieves and 28.5% reduction in execution time and 4.4% reduction in paging system energy consumption.
Keywords
OneNAND; Flash; Demand paging; execute-In-Place;
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