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    • 1. 发明申请
    • SYSTEM AND METHOD FOR IMPLEMENTING NUMA-AWARE STATISTICS COUNTERS
    • 实施NUMA-AWARE统计计数器的系统和方法
    • WO2014100395A1
    • 2014-06-26
    • PCT/US2013/076509
    • 2013-12-19
    • ORACLE INTERNATIONAL CORPORATION
    • DICE, DavidLEV, YosefMOIR, Mark S.
    • G06F9/52G06F9/50
    • G06F13/18G06F9/5027G06F9/52G06F9/526
    • The systems and methods described herein may be used to implement scalable statistics counters suitable for use in systems that employ a NUMA style memory architecture. The counters may be implemented as data structures that include a count value portion and a node identifier portion. The counters may be accessible within transactions. The node identifier portion may identify a node on which a thread that most recently incremented the counter was executing or one on which a thread that has requested priority to increment the shared counter was executing. Threads executing on identified nodes may have higher priority to increment the counter than other threads. Threads executing on other nodes may delay their attempts to increment the counter, thus encouraging consecutive updates from threads on a single node. Impatient threads may attempt to update the node identifier portion or may update an anti-starvation variable to indicate a request for priority.
    • 本文描述的系统和方法可以用于实现适用于采用NUMA风格存储器架构的系统中的可伸缩统计计数器。 计数器可以被实现为包括计数值部分和节点标识符部分的数据结构。 柜台可能在交易中可访问。 节点标识符部分可以标识正在执行计数器最近递增的线程的节点,或者正在执行已经请求优先级以增加共享计数器的线程的节点。 在标识节点上执行的线程可能比其他线程具有更高的优先级来增加计数器。 在其他节点上执行的线程可能会延迟其增加计数器的尝试,从而鼓励单个节点上线程的连续更新。 不耐烦的线程可以尝试更新节点标识符部分,或者可以更新反饥饿变量以指示优先级请求。
    • 4. 发明公开
    • SYSTEM AND METHOD FOR IMPLEMENTING NUMA-AWARE STATISTICS COUNTERS
    • 系统维多利亚ZUR实施者NUMA-BEWUSSTER统计员ZÄHLER
    • EP2936313A1
    • 2015-10-28
    • EP13821300.4
    • 2013-12-19
    • Oracle International Corporation
    • DICE, DavidLEV, YosefMOIR, Mark S.
    • G06F9/52G06F9/50
    • G06F13/18G06F9/5027G06F9/52G06F9/526
    • The systems and methods described herein may be used to implement scalable statistics counters suitable for use in systems that employ a NUMA style memory architecture. The counters may be implemented as data structures that include a count value portion and a node identifier portion. The counters may be accessible within transactions. The node identifier portion may identify a node on which a thread that most recently incremented the counter was executing or one on which a thread that has requested priority to increment the shared counter was executing. Threads executing on identified nodes may have higher priority to increment the counter than other threads. Threads executing on other nodes may delay their attempts to increment the counter, thus encouraging consecutive updates from threads on a single node. Impatient threads may attempt to update the node identifier portion or may update an anti-starvation variable to indicate a request for priority.
    • 本文描述的系统和方法可以用于实现适用于采用NUMA风格存储器架构的系统中的可伸缩统计计数器。 计数器可以被实现为包括计数值部分和节点标识符部分的数据结构。 计数器可能在交易中可访问。 节点标识符部分可以标识最近递增了计数器的线程正在执行的节点,或者已经请求优先级增加共享计数器的线程正在执行的节点。 在标识节点上执行的线程可能具有比其他线程更高的优先级来增加计数器。 在其他节点上执行的线程可能会延迟其增加计数器的尝试,从而鼓励单个节点上线程的连续更新。 不耐烦的线程可以尝试更新节点标识符部分,或者可以更新反饥饿变量以指示优先级请求。