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    System and method to reduce memory access latencies using selective replication across multiple memory ports
    6.
    发明授权
    System and method to reduce memory access latencies using selective replication across multiple memory ports 有权
    使用多个内存端口选择性复制来减少内存访问延迟的系统和方法

    公开(公告)号：US08560757B2

    公开(公告)日：2013-10-15

    申请号：US13280738

    申请日：2011-10-25

    申请人： Jeffrey Pangborn ,  Gregg A. Bouchard ,  Rajan Goyal ,  Richard E. Kessler

    发明人： Jeffrey Pangborn ,  Gregg A. Bouchard ,  Rajan Goyal ,  Richard E. Kessler

    IPC分类号： G06F12/00

    CPC分类号： G06F12/1018 ,  G06F12/0292 ,  G06F12/06 ,  G06F2212/174 ,  G06F2212/2532

    摘要： In one embodiment, a system includes memory ports distributed into subsets identified by a subset index, where each memory port has an individual wait time based on a respective workload. The system further comprises a first address hashing unit configured to receive a read request including a virtual memory address associated with a replication factor and referring to graph data. The first address hashing unit translates the replication factor into a corresponding subset index based on the virtual memory address, and converts the virtual memory address to a hardware based memory address referring to graph data in the memory ports within a subset indicated by the corresponding subset index. The system further comprises a memory replication controller configured to direct read requests to the hardware based address to the one of the memory ports within the subset indicated by the corresponding subset index with a lowest individual wait time.

    摘要翻译： 在一个实施例中，系统包括分布到由子集索引识别的子集中的存储器端口，其中每个存储器端口基于相应的工作负载具有单独的等待时间。 该系统还包括第一地址哈希单元，其被配置为接收包括与复制因子相关联的虚拟存储器地址并参考图形数据的读取请求。 第一地址散列单元基于虚拟存储器地址将复制因子转换为相应的子集索引，并且参考由相应子集索引指示的子集内的存储器端口中的图形数据将虚拟存储器地址转换为基于硬件的存储器地址 。 该系统还包括存储器复制控制器，其被配置为将读取请求引导到基于硬件的地址到具有最低个人等待时间的相应子集索引指示的子集内的存储器端口之一。

    SYSTEM AND METHOD TO REDUCE MEMORY ACCESS LATENCIES USING SELECTIVE REPLICATION ACROSS MULTIPLE MEMORY PORTS
    8.
    发明申请
    SYSTEM AND METHOD TO REDUCE MEMORY ACCESS LATENCIES USING SELECTIVE REPLICATION ACROSS MULTIPLE MEMORY PORTS 有权
    使用多个存储器端口选择性复制来减少存储器访问延迟的系统和方法

    公开(公告)号：US20130103904A1

    公开(公告)日：2013-04-25

    申请号：US13280738

    申请日：2011-10-25

    申请人： Jeffrey Pangborn ,  Gregg A. Bouchard ,  Rajan Goyal ,  Richard E. Kessler

    发明人： Jeffrey Pangborn ,  Gregg A. Bouchard ,  Rajan Goyal ,  Richard E. Kessler

    IPC分类号： G06F12/10 ,  G06F12/00

    CPC分类号： G06F12/1018 ,  G06F12/0292 ,  G06F12/06 ,  G06F2212/174 ,  G06F2212/2532

    摘要： In one embodiment, a system comprises multiple memory ports distributed into multiple subsets, each subset identified by a subset index and each memory port having an individual wait time. The system further comprises a first address hashing unit configured to receive a read request including a virtual memory address associated with a replication factor, and referring to graph data. The first address hashing unit translates the replication factor into a corresponding subset index based on the virtual memory address, and converts the virtual memory address to a hardware based memory address that refers to graph data in the memory ports within a subset indicated by the corresponding subset index. The system further comprises a memory replication controller configured to direct read requests to the hardware based address to the one of the memory ports within the subset indicated by the corresponding subset index with a lowest individual wait time.

    摘要翻译： 在一个实施例中，系统包括分布到多个子集中的多个存储器端口，每个子集由子集索引标识，每个存储器端口具有单独的等待时间。 该系统还包括第一地址哈希单元，其被配置为接收包括与复制因子相关联的虚拟存储器地址的读取请求，并且参考图形数据。 第一地址散列单元基于虚拟存储器地址将复制因子转换为对应的子集索引，并将虚拟存储器地址转换为基于硬件的存储器地址，该存储器地址涉及由相应子集指示的子集内的存储器端口中的图形数据 指数。 该系统还包括存储器复制控制器，其被配置为将读取请求引导到基于硬件的地址到具有最低个人等待时间的相应子集索引指示的子集内的存储器端口之一。