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    Supporting RMA API over active message
    2.
    发明授权
    Supporting RMA API over active message 有权

    公开(公告)号：US09632973B2

    公开(公告)日：2017-04-25

    申请号：US14475337

    申请日：2014-09-02

    Applicant: Intel Corporation

    Inventor： Jianxin Xiong ,  Robert J. Woodruff ,  Frank L. Berry

    IPC: G06F15/167 ,  G06F15/173 ,  H04L12/58

    CPC classification number: G06F15/17331 ,  H04L51/18

    Abstract: Methods, apparatus, and software for implementing RMA application programming interfaces (APIs) over Active Message (AM). AM write and AM read requests are sent from a local node to a remote node to write data to or read data from memory on the remote node using Remote Memory Access (RMA) techniques. The AM requests are handled by corresponding AM handlers, which automatically perform operations associated with the requests. For example, for AM write requests an AM write request handler may write data contained in an AM write request to a remote address space in memory on the remote node, or generate a corresponding RMA write request that is enqueued into an RMA queue used in accordance with a tagged message scheme. Similar operations are performed by AM read requests handlers. RMA reads and writes using AM are further facilitated through use of associated read, write, and RMA progress modules.

    SUPPORTING RMA API OVER ACTIVE MESSAGE
    5.
    发明申请
    SUPPORTING RMA API OVER ACTIVE MESSAGE 有权
    支持RMA API活动消息

    公开(公告)号：US20160062944A1

    公开(公告)日：2016-03-03

    申请号：US14475337

    申请日：2014-09-02

    Applicant: Intel Corporation

    Inventor： Jianxin Xiong ,  Robert J. Woodruff ,  Frank L. Berry

    IPC: G06F15/173 ,  H04L12/58

    CPC classification number: G06F15/17331 ,  H04L51/18

    Abstract: Methods, apparatus, and software for implementing RMA application programming interfaces (APIs) over Active Message (AM). AM write and AM read requests are sent from a local node to a remote node to write data to or read data from memory on the remote node using Remote Memory Access (RMA) techniques. The AM requests are handled by corresponding AM handlers, which automatically perform operations associated with the requests. For example, for AM write requests an AM write request handler may write data contained in an AM write request to a remote address space in memory on the remote node, or generate a corresponding RMA write request that is enqueued into an RMA queue used in accordance with a tagged message scheme. Similar operations are performed by AM read requests handlers. RMA reads and writes using AM are further facilitated through use of associated read, write, and RMA progress modules.

    Abstract translation: 用于通过活动消息（AM）实现RMA应用程序编程接口（API）的方法，设备和软件。 AM写入和AM读取请求从本地节点发送到远程节点，以使用远程内存访问（RMA）技术向远程节点上的内存写入数据或从内存中读取数据。 AM请求由相应的AM处理程序处理，它们自动执行与请求相关联的操作。 例如，对于AM写入请求，AM写入请求处理程序可以将AM写入请求中包含的数据写入远程节点上的存储器中的远程地址空间，或者生成相应的RMA写入请求，该请求排入到根据 带有标记消息方案。 AM读取请求处理程序执行类似的操作。 通过使用关联的读取，写入和RMA进度模块进一步促进了使用AM的RMA读取和写入。

    RDMA (remote direct memory access) data transfer in a virtual environment
    6.
    发明授权
    RDMA (remote direct memory access) data transfer in a virtual environment 有权

    公开(公告)号：US10908961B2

    公开(公告)日：2021-02-02

    申请号：US16521790

    申请日：2019-07-25

    Applicant: Intel Corporation

    Inventor： William R. Magro ,  Robert J. Woodruff ,  Jianxin Xiong

    IPC: G06F9/50 ,  G06F9/455 ,  G06F15/173 ,  G06F9/54

    Abstract: In an embodiment, a method is provided. In an embodiment, the method includes implementing a virtual remote direct memory access (RDMA) component in a virtualization layer on the computer system, the virtual RDMA component having an interface implementing RDMA semantics. An RDMA send request from a send queue associated with a first application running on the first VM is read using the virtual RDMA component, the RDMA send request referencing a send buffer in an application memory space for the first application. The virtual RDMA component then copies or transfers a message in the send buffer to a receive buffer in the second VM. A host computing system configured to implement the method and instructions configured to be executed on a host computing system is also provided.

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