S S D O , [email protected], [email protected]S S D P o w e r C o n s u m p t i o n A n a l y s i s T o o l Seokhei Cho O , Youjip Won Dept. of Electronics and Computer Engineering, Hanyang University . SSD , HDD HDD . HDD . HDD . SSD SSD . SSD Flash Memory Controller, DRAM, NAND Flash 90% . 1 . HDD . CPU RAM . HDD . SSD HDD . , HDD . SSD HDD . SSD HDD SSD HDD .[1] SSD . SSD . SSD . . SSD . 2 . SSD SSD SSD . SSD Firmware FTL(Flash Translation Layer) . FAST[2], DFTL[3] FTL . SSD Saxena et al.[4] FlashVM . FlashVM OS Swap SSD . SSD . Kim et al.[5] FlashSim SSD . SSD . SSD . Euiseong et al.[6] SSD . Jinha et al.[7] SSD . 3 . S S D 3 . 1 S S D 1 SSD Block Diagram . Flash Mem- ory Controller, DRAM, NAND Flash Memory 3 . Flash Memory Controller Host SSD . DRAM SSD buffer address mapping mapping table cache . DRAM . NAND Flash HDD . NAND . 2011 Vol.38, No.1(B)
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