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    • 3. 发明授权
    • Executing parallel operations to increase data access performance
    • 执行并行操作以增加数据访问性能
    • US08909860B2
    • 2014-12-09
    • US13592793
    • 2012-08-23
    • Ramprasad Nagaraja Rao
    • Ramprasad Nagaraja Rao
    • G06F13/00
    • G06F11/1012
    • Techniques are described for increasing data access performance for a memory device. In various embodiments, a scheduler/controller is configured to manage data as it read to or written from a memory. Read or write access is increased by partitioning a memory into a group of sub-blocks, associating a parity block with the sub-blocks, and accessing the sub-blocks to read data as needed. Write access is increased by including a latency cache that stores data associated with a read command. Once a read-modify write command is received, the data stored in the data cache is used to update the parity block. In a memory without a parity block, write access is increased by adding one or more spare memory blocks to provide additional memory locations for performing write operations to the same memory block in parallel.
    • 描述了用于增加存储器设备的数据访问性能的技术。 在各种实施例中,调度器/控制器被配置为在从存储器读取或从存储器写入时管理数据。 通过将存储器划分成一组子块,将奇偶校验块与子块相关联,以及根据需要访问子块以读取数据来增加读取或写入访问。 通过包括存储与读取命令相关联的数据的延迟高速缓存来增加写入访问。 一旦读取 - 修改写入命令被接收,存储在数据高速缓存中的数据被用于更新奇偶校验块。 在没有奇偶校验块的存储器中,通过添加一个或多个备用存储器块来提供写访问以提供用于并行地对相同存储器块执行写操作的附加存储器位置。