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Garbage collection as a key technology for solid-state storage (SSD), it's has critical influence for the SSD's performance. This article addressed the low efficiency, high cost problem of the presented Garbage Collection (GC) Algorithm, Proposed a new Efficient NAND Flash GC Algorithm Based on Area and Block (GCbAB) Operation. The algorithm is not only efficient, low cost, but took into account the...
The NAND flash memory based SSDs are considered to replace the existing HDDs. But the disadvantage of SSD is degradation of write performance. Because a write in flash memory should be preceded by an erase operation, a write performance is reduced. To maximize the write performance, SSD is used with the TRIM command. NTFS and EXT4 are known to support TRIM. This paper is compared by a write performance...
The popularity of NAND flash memory has been growing rapidly in recent years, but the SSD (Solid-State Disk) has shown limited success in its battle against the hard disk. Besides the high price, SSD suffers performance degradation under random write requests, due to the intrinsic weak points of NAND flash: erase-before-write, asymmetric read/write access time, and limited program/erase cycles. In...
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