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    • 9. 发明授权
    • Fast prediction of shared memory access pattern
    • 快速预测共享内存访问模式
    • US08819346B2
    • 2014-08-26
    • US13416331
    • 2012-03-09
    • Guojing CongEttore TiottoHui-Fang Wen
    • Guojing CongEttore TiottoHui-Fang Wen
    • G06F12/00
    • G06F11/3404G06F11/3037G06F11/3466G06F2201/865
    • A computer implemented method analyzes shared memory accesses during execution of an application program. The method includes instrumenting events of shared memory accesses in the application program, where the application program is to be executed on a target configuration having p nodes; executing the application program using p1 processing nodes, where p1 is less than p and satisfies a constraint. For accesses made by the executing application program, the method determines a target thread and maps determined target threads to either a remote node or a local node corresponding to a remote memory access and to a local memory access, respectively. Also disclosed is a computer-readable storage medium that stores a program of executable instructions that implements the method, and a data processing system. The invention can be implemented using a language such as Unified Parallel C (UPC) directed to a partitioned global address space (PGAS) paradigm.
    • 计算机实现的方法在执行应用程序期间分析共享存储器访问。 该方法包括对应用程序中的共享存储器访问的事件进行测试,其中应用程序将在具有p个节点的目标配置上执行; 使用p1处理节点执行应用程序,其中p1小于p并满足约束。 对于由执行的应用程序进行的访问,该方法确定目标线程并且将确定的目标线程分别映射到对应于远程存储器访问的远程节点或本地节点和本地存储器访问。 还公开了存储实现该方法的可执行指令的程序的计算机可读存储介质和数据处理系统。 本发明可以使用诸如针对分区全局地址空间(PGAS)范例的统一并行C(UPC)的语言来实现。
    • 10. 发明申请
    • FAST PREDICTION OF SHARED MEMORY ACCESS PATTERN
    • 快速预测共享存储器访问模式
    • US20130238862A1
    • 2013-09-12
    • US13416331
    • 2012-03-09
    • Guojing CongEttore TiottoHui-Fang Wen
    • Guojing CongEttore TiottoHui-Fang Wen
    • G06F12/00
    • G06F11/3404G06F11/3037G06F11/3466G06F2201/865
    • A computer implemented method analyzes shared memory accesses during execution of an application program. The method includes instrumenting events of shared memory accesses in the application program, where the application program is to be executed on a target configuration having p nodes; executing the application program using p1 processing nodes, where p1 is less than p and satisfies a constraint. For accesses made by the executing application program, the method determines a target thread and maps determined target threads to either a remote node or a local node corresponding to a remote memory access and to a local memory access, respectively. Also disclosed is a computer-readable storage medium that stores a program of executable instructions that implements the method, and a data processing system. The invention can be implemented using a language such as Unified Parallel C (UPC) directed to a partitioned global address space (PGAS) paradigm.
    • 计算机实现的方法在执行应用程序期间分析共享存储器访问。 该方法包括对应用程序中的共享存储器访问的事件进行测试,其中应用程序将在具有p个节点的目标配置上执行; 使用p1处理节点执行应用程序,其中p1小于p并满足约束。 对于由执行的应用程序进行的访问,该方法确定目标线程并且将确定的目标线程分别映射到对应于远程存储器访问的远程节点或本地节点和本地存储器访问。 还公开了存储实现该方法的可执行指令的程序的计算机可读存储介质和数据处理系统。 本发明可以使用诸如针对分区全局地址空间(PGAS)范例的统一并行C(UPC)的语言来实现。