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The rapid random access of SSDs enables efficient searching of redundant data and their deduplication. However, the space earned from deduplication cannot be used as permanent storage because it must be reclaimed when deduplication is cancelled as a result of an update to the deduplicated data. To overcome this limitation, we propose a novel FTL scheme that enables the gained capacity to be used as...
This paper investigates the potential of flash as a large and slow memory behind dynamic random-access memory (DRAM) for stencil computation, which is one of the most common and important computation kernels in various scientific and engineering simulations. We evaluate the performance of a fastswap kernel, which was recently incorporated into Linux, in stencil computation using flash as a swap device...
The development of flash memory drives flash based SSDs to enter into enterprise-scale storage systems. As the kernel of SSD, flash translation layer (FTL) attracts many attentions. Generally, there are two types of FTLs according to the granularity of address mapping: block-level and page-level mapping FTLs. We focus on the latter one. Typically, page-level mapping scheme must employ a cache to alleviate...
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