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Flash Translation Layer의 정량적 성능 예측 모델링
임경일(Kyungil Im),박상훈(SangHoon Park),원삼규(Samkyu Won),방관후(Kwanhu Bang),정의영(Eui-Young Chung) 대한전자공학회 2010 대한전자공학회 학술대회 Vol.2010 No.6
Recently, various flash translation layers(FTL) have been studied and introduced to improve the performance of SSDs by mitigate unique characteristics of NAND flash memories which is the main data storage of SSDs. However, evaluation of FTLs has been totally based on simulation that requires actual implementation of the corresponding FTL algorithm. Therefore, in this paper, we proposed the modeling method that predict performance of FTLs easily and fast. We may know quantitative performance of FTL simply and accurately by parameterization of FTL and input logical access patterns. By comparison to real simulation results, we prove that our modeling method shows very simple and accurate prediction results with only 12% of error.