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    • 1. 发明申请
    • PROTOCOL FOR DETERMINING AVAILABILITY OF PEERS IN A PEER-TO-PEER STORAGE SYSTEM
    • 用于确定同行存储系统中对等方的可用性的协议
    • US20100088520A1
    • 2010-04-08
    • US12244511
    • 2008-10-02
    • Denis X. CharlesSiddhartha Puri
    • Denis X. CharlesSiddhartha Puri
    • H04L9/28G06F15/16
    • H04L67/104H04L63/0428H04L63/0807H04L63/126H04L67/108H04L67/1091
    • A method and system is provided for monitoring the availability of a peer in a P2P system that is used to provide remote storage or remote processing power. In one illustrative example, a recipient peer requests access to a service provisioned by another peer in a peer-to-peer network. The request may be a request to access a file or a file fragment that is being stored on the other peer. In order to make use of the accessed service, after receiving access to the service provisioned by the peer, the recipient peer needs to report to a central server that the service has been rendered. For instance, in some cases the file fragment accessed by the recipient peer may be encrypted, in which case the central server will send the recipient peer a decryption key after receiving the report that the service has been rendered.
    • 提供了一种用于监视P2P系统中用于提供远程存储或远程处理能力的对等体的可用性的方法和系统。 在一个说明性示例中,接收者对等体请求对对等网络中由另一对等体提供的服务的访问。 该请求可以是访问存储在另一个对等体上的文件或文件片段的请求。 为了利用所访问的服务,在接收到由对等体提供的服务的访问之后,接收者对等体需要向中央服务器报告该服务已被呈现。 例如,在某些情况下,接收者对等体访问的文件片段可能被加密,在这种情况下,中央服务器将在收到服务已呈现的报告之后向接收方对方发送解密密钥。
    • 8. 发明申请
    • Tiling across loop nests with possible recomputation
    • 在可能的重新计算过程中平铺跨环巢
    • US20080250401A1
    • 2008-10-09
    • US11784792
    • 2007-04-09
    • Siddhartha PuriJaydeep P. Marathe
    • Siddhartha PuriJaydeep P. Marathe
    • G06F9/45
    • G06F8/4442G06F8/433
    • Described is a technology by which a series of loop nests corresponding to source code are detected by a compiler, with the series of loop nests tiled together, (thereby increasing the ratio of cache hits to misses in a multi-processor environment). The compiler transforms the series of loop nests into a plurality of tile loops within a controller loop, including using dependency analysis to determine which results from a tile loop need to be pre-computed before another tile loop. For dependency analysis, the compiler may use a directed acyclic graph as a high-level intermediate representation, and split the graph into sub-graphs each representing an array. The compiler uses descriptors processed from the graph to determine the controller loop and the tile loops within that controller loop.
    • 描述了一种通过编译器检测到与源代码相对应的一系列循环巢的技术,其中一系列循环嵌套平铺在一起(从而增加了多处理器环境中的高速缓存命中与未命中的比率)。 编译器将一系列循环嵌套转换为控制器循环内的多个瓦片循环,包括使用依赖关系分析来确定来自瓦片循环的哪些结果需要在另一个瓦片循环之前预先计算。 对于依赖关系分析,编译器可以使用有向无环图作为高级中间表示,并将图分解成各自表示数组的子图。 编译器使用从图形处理的描述符来确定控制器循环和该控制器循环内的平铺循环。