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Ozone (O3): An Out-of-Order Flash Memory Controller Architecture

Eyee Hyun Nam ; Kim, B S J ; Hyeonsang Eom ; Sang Lyul Min

IEEE transactions on computers, 2011-05, Vol.60 (5), p.653-666 [Periódico revisado por pares]

New York: IEEE

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Título:
Ozone (O3): An Out-of-Order Flash Memory Controller Architecture
Autor: Eyee Hyun Nam ; Kim, B S J ; Hyeonsang Eom ; Sang Lyul Min
Assuntos: Architecture ; Computer architecture ; Computer programs ; Computers ; Control equipment ; Control systems ; File systems ; Flash memory ; Flash memory (computers) ; flash translation layer (FTL) ; Materials handling ; Order disorder ; Out of order ; Ozone ; Parallel processing ; Software ; solid-state disk (SSD) ; storage system
É parte de: IEEE transactions on computers, 2011-05, Vol.60 (5), p.653-666
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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Descrição: Ozone (O3) is a flash memory controller that increases the performance of a flash storage system by executing multiple flash operations out of order. In the O3 flash controller, data dependencies are the only ordering constraints on the execution of multiple flash operations. This allows O3 to exploit the multichip parallelism inherent in flash memory much more effectively than interleaving. The O3 controller also provides a prioritized handling of flash operations, equipping flash management software, such as the FTL (flash translation layer), with control knobs for managing flash operations of different time criticalities. Running a range of workloads on an FPGA implementation showed that the O3 flash controller achieves 3 to 100 percent more throughput than interleaving, with 46 to 88 percent lower response times.
Editor: New York: IEEE
Idioma: Inglês

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Ozone (O3): An Out-of-Order Flash Memory Controller Architecture

Eyee Hyun Nam ; Kim, B S J ; Hyeonsang Eom ; Sang Lyul Min

New York: IEEE

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