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Buffer Policy based on High-capacity Hybrid Memories for Latency Reduction of Read/Write Operations in High-performance SSD Systems

Title
Buffer Policy based on High-capacity Hybrid Memories for Latency Reduction of Read/Write Operations in High-performance SSD Systems
Authors
김성호황상호이명섭곽종욱박창현
Issue Date
2019-07
Citation
한국컴퓨터정보학회논문지, 24(7), 1-8
Type
Article
Article Type
Article
Author Keywords
NAND flash memoryBuffer policySwapping operationHybrid buffer systemsNon-volatile memories
ISSN
1598-849X
Abstract
Recently, an SSD with hybrid buffer memories is actively researching to reduce the overall latency in server computing systems. However, existing hybrid buffer policies caused many swapping operations in pages because it did not consider the overall latency such as read/write operations of flash chips in the SSD. This paper proposes the clock with hybrid buffer memories (CLOCK-HBM) for a new hybrid buffer policy in the SSD with server computing systems. The CLOCK-HBM constructs new policies based on unique characteristics in both DRAM buffer and NVMs buffer for reducing the number of swapping operations in the SSD. In experimental results, the CLOCK-HBM reduced the number of swapping operations in the SSD by 43.5% on average, compared with LRU, CLOCK, and CLOCK-DNV.
URI
http://hdl.handle.net/20.500.11750/10663
DOI
10.9708/jksci.2019.24.07.001
Publisher
한국컴퓨터정보학회
Files:
There are no files associated with this item.
Collection:
ETC1. Journal Articles


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