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CLC number: TP333

On-line Access: 2010-06-02

Received: 2009-08-16

Revision Accepted: 2010-03-08

Crosschecked: 2010-05-10

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Journal of Zhejiang University SCIENCE C 2010 Vol.11 No.6 P.418-424

http://doi.org/10.1631/jzus.C0910505


A fast and simple system performance emulator for enhanced solid state disks: a case study of long read operations


Author(s):  Do Yeun Kim, Chanik Park, Eui-Young Chung, Sung Woo Chung

Affiliation(s):  Division of Computer and Communication Engineering, Korea University, Seoul 13-713, Korea, Samsung Electronics, Yongin-City, Kyunggi-Do 446-701, Korea, School of Electrical and Electronic Engineering, Yonsei University, Seoul 120-749, Korea

Corresponding email(s):   swchung@korea.ac.kr

Key Words:  Solid state disk (SSD), Performance emulator, System performance, Direct memory access (DMA), Operating system


Do Yeun Kim, Chanik Park, Eui-Young Chung, Sung Woo Chung. A fast and simple system performance emulator for enhanced solid state disks: a case study of long read operations[J]. Journal of Zhejiang University Science C, 2010, 11(6): 418-424.

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Abstract: 
In this paper, we propose a fast and simple system emulator, called a system performance emulator (SPE), to evaluate long read operations. The SPE estimates how much system-wide performance is enhanced by using a faster solid state disk (SSD). By suspending a CPU for a certain time during direct memory access (DMA) transfer and subtracting this suspended time from the total DMA time, the SPE estimates the improvement in system performance expected from an enhanced SSD prior to its manufacture. We also examine the relation between storage performance and system performance using the SPE.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

Reference

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