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发明申请
US20080109604A1 Systems and methods for remote direct memory access to processor caches for RDMA reads and writes 审中-公开
用于远程直接内存访问用于RDMA读取和写入的处理器高速缓存的系统和方法

Systems and methods for remote direct memory access to processor caches for RDMA reads and writes
摘要：
The invention relates to a systems and methods for remote direct memory access to processor caches for remote direct memory access (RDMA) reads and writes. One aspect of the invention is a computer node within a multi-node computer system having a plurality of interconnected processing nodes. The computer node has least one processor associated with at least one processor cache for holding cache entries for the at least one processor. A cache interface for the remote DMA engine on the node includes logic to consult the processor cache control structure, to determine whether the processor cache has a cache entry associated with a physical address of a DMA transfer, and if so, reading from that cache entry or writing to that cache entry to service the DMA transfer.
摘要（中）：

本发明涉及用于远程直接存储器访问用于远程直接存储器访问（RDMA）读取和写入的处理器高速缓存的系统和方法。 本发明的一个方面是具有多个互连处理节点的多节点计算机系统内的计算机节点。 计算机节点具有与至少一个处理器高速缓存相关联的至少一个处理器，用于保存至少一个处理器的高速缓存条目。 用于该节点上的远程DMA引擎的高速缓存接口包括参考处理器高速缓存控制结构的逻辑，以确定处理器高速缓存是否具有与DMA传输的物理地址相关联的高速缓存条目，如果是，则从该高速缓存条目读取 或写入该缓存条目以服务于DMA传输。

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