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Design of flash-based storage system based on PCI Express bus

机译:基于PCI Express Bus的闪存基存储系统设计

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The Flash has been widely used in the data records in aerospace and aviation, because of its low power consumption, light-weight, anti-seismic etc. But with the accuracy of Earth observation equipment gradually improved, and its increasingly high rate of export data, the storage system on the recording equipment made high demands. Through the use of PCI Express interface, and parallelization and pipelining technology, the rate of read and write is raised; by analyzing data access patterns, designs a reasonable FTL algorithm, so that supply the great convenience data management without reducing read and write performance. The design is implemented on the Virtex 5 FPGA, and tests its performance. The consecutive write rate is about 400MB/s, and reading rate is up to 500MB/s.
机译:闪光灯已广泛应用于航空航天和航空的数据记录,因为其低功耗,轻量级,防震等,但随着地球观测设备的准确性逐渐提高,其越来越高的出口数据,记录设备上的存储系统提出了高要求。通过使用PCI Express界面和并行化和流水线技术,提出了读取和写入速度;通过分析数据访问模式,设计合理的FTL算法,从而提供了极大的便利数据管理,而不会降低读写性能。该设计在Virtex 5 FPGA上实现,并测试其性能。连续写入率约为400MB / s,读数率高达500MB / s。

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