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    • 2. 发明申请
    • Transactional Memory that Performs a Statistics Add-and-Update Operation
    • 执行统计添加和更新操作的事务内存
    • US20140025884A1
    • 2014-01-23
    • US13552537
    • 2012-07-18
    • Gavin J. StarkBenjamin J. Cahill
    • Gavin J. StarkBenjamin J. Cahill
    • G06F12/08
    • G11C16/00G06F13/16G06F16/00G11C7/1006G11C7/1009G11C7/1039
    • A transactional memory (TM) of an island-based network flow processor (IB-NFP) integrated circuit receives a Stats Add-and-Update (AU) command across a command mesh of a Command/Push/Pull (CPP) data bus from a processor. A memory unit of the TM stores a plurality of first values in a corresponding set of memory locations. A hardware engine of the TM receives the AU, performs a pull across other meshes of the CPP bus thereby obtaining a set of addresses, uses the pulled addresses to read the first values out of the memory unit, adds the same second value to each of the first values thereby generating a corresponding set of updated first values, and causes the set of updated first values to be written back into the plurality of memory locations. Even though multiple count values are updated, there is only one bus transaction value sent across the CPP bus command mesh.
    • 基于岛屿的网络流处理器(IB-NFP)集成电路的事务存储器(TM)通过命令/推/拉(CPP)数据总线的命令网格接收统计添加和更新(AU)命令, 一个处理器 TM的存储单元将多个第一值存储在对应的一组存储器位置中。 TM的硬件引擎接收AU,执行CPP总线的其他网格的牵引,从而获得一组地址,使用拉动的地址将第一个值从存储器单元中读出,将相同的第二个值加到每个 所述第一值由此产生相应的一组更新的第一值,并且使得所述一组更新的第一值被写回到所述多个存储单元中。 即使更新了多个计数值,在CPP总线命令网格中只发送一个总线事务值。