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    • 1. 发明授权
    • Shared memory multiprocessor performing cache coherency
    • 共享内存多处理器执行高速缓存一致性
    • US06546471B1
    • 2003-04-08
    • US09506810
    • 2000-02-18
    • Toshiaki TaruiKoichi OkazawaYasuyuki OkadaToru ShonaiToshio OkochiHideya Akashi
    • Toshiaki TaruiKoichi OkazawaYasuyuki OkadaToru ShonaiToshio OkochiHideya Akashi
    • G06F1314
    • G06F12/0826G06F12/0284G06F2212/2542
    • A shared memory multiprocessor (SMP) has efficient access to a main memory included in a particular node and a management of partitions that include the nodes. In correspondence with each page of main memory included in a node, a bit stored in a register indicates if the page has been accessed from any other node. In a case where the bit is “0”, a cache coherent command to be sent to the other nodes is not transmitted. The bit is reset by software at the time of initialization and memory allocation, and it is set by hardware when the page of the main memory is accessed from any other node. In a case where the interior of an SMP is divided into partitions, the main memory of each node is divided into local and shared areas, for which respectively separate addresses can be designated. In each node, the configuration information items of the shared area and the local area are stored in registers. The command of access to the shared area is multicast to all of the nodes, whereas the command is multicast only to the nodes within the corresponding partition when the local area is accessed.
    • 共享存储器多处理器(SMP)具有对包括在特定节点中的主存储器的有效访问以及包括节点的分区的管理。 与包含在节点中的主存储器的每页对应,存储在寄存器中的位指示是否已经从任何其他节点访问了页面。 在比特为“0”的情况下,不发送要发送到其他节点的高速缓存相干命令。 该位在初始化和内存分配时由软件复位,当从任何其他节点访问主存储器的页面时,该位由硬件置1。 在将SMP的内部划分成分区的情况下,将各节点的主存储器划分为本地区域和共享区域,分别分别分配地址。 在每个节点中,共享区域和局部区域的配置信息项存储在寄存器中。 访问共享区域的命令是组播到所有节点,而当访问本地区域时,该命令仅组播到相应分区内的节点。
    • 4. 发明授权
    • Reliability of crossbar switches in an information processing system
    • 交叉开关在信息处理系统中的可靠性
    • US6131169A
    • 2000-10-10
    • US460513
    • 1999-12-14
    • Koichi OkazawaToshiaki TaruiYasuyuki Okada
    • Koichi OkazawaToshiaki TaruiYasuyuki Okada
    • G06F13/36G06F11/00G06F11/20G06F15/167
    • G06F11/2005G06F11/2007
    • An information processing apparatus includes a crossbar switch having a plurality of switching circuits for data transfer; connection lines having address data transfer paths of m-bit unit connected to each of the input/output ports of the switching circuits, control signal transfer paths of m-bit unit connected to each of the input/output ports of the control circuits and back-up transfer paths of m-bit unit connected to each of the input/output ports of the back-up circuits; and transfer path processing circuit connected correspondingly to the connection lines constructed by the n-bit provided on each of the processing units, monitored transfer of data and control signal between the processing units through the switching circuit and the control circuit in the crossbar switch, and detected a failure of at least the switching circuit and the control circuit to thereby change the connection of at least one of the failed switching circuit and control circuit to a connection of the back-up circuit.
    • 一种信息处理设备,包括具有用于数据传送的多个切换电路的交叉开关; 具有连接到开关电路的每个输入/输出端口的m位单元的地址数据传送路径的连接线,连接到控制电路的每个输入/输出端口的m位单元的控制信号传送路径和后面 - 连接到备用电路的每个输入/输出端口的m位单元的传送路径; 以及传送路径处理电路,其对应于由在每个处理单元上提供的n位构成的连接线,通过开关电路和交叉开关中的控制电路在处理单元之间监视的数据传输和控制信号,以及 检测到至少开关电路和控制电路的故障,从而将故障切换电路和控制电路中的至少一个的连接改变为备用电路的连接。
    • 8. 发明授权
    • Shared memory multiprocessor system and method with address translation between partitions and resetting of nodes included in other partitions
    • 共享内存多处理器系统和分区之间的地址转换和其他分区中包含的节点的重置的方法
    • US06510496B1
    • 2003-01-21
    • US09501978
    • 2000-02-11
    • Toshiaki TaruiToshio OkochiShinichi Kawamoto
    • Toshiaki TaruiToshio OkochiShinichi Kawamoto
    • G06F1210
    • G06F12/0284G06F12/0831G06F12/1072G06F2212/656
    • A symmetric multiprocessor (SMP) of hierarchical connection realizing an inter-partition shared memory has at the gateway of an inter-node connection switch from each node, a translator for translating an address of an access command for an area shared between partitions, between a real address used in a partition and a shared area address used in common between partitions. Thereby, the address of a local area of each partition is freely set, and cache coherent control of a shared area is conducted at high speed by using a snoop command of the hierarchical connection SMP. Fault containment between partitions is realized by checking conformity between the address of the access command issued from another partition and the shared area configuration. Nodes included in other partitions may be reset from each partition. In addition, the configuration information of the shared area between partitions may be dynamically modified.
    • 实现分区间共享存储器的分级连接的对称多处理器(SMP)已经在从每个节点的节点间连接切换的网关处,转换器用于翻译分区之间共享的区域的访问命令的地址, 分区中使用的实际地址和分区之间共用的共享区域地址。 由此,可以自由地设定每个分区的局部区域的地址,通过使用分层连接SMP的窥探命令,高速地进行共享区域的高速缓存一致控制。 通过检查从另一个分区发出的访问命令的地址与共享区域配置之间的一致性来实现分区之间的故障保护。 包括在其他分区中的节点可以从每个分区重置。 此外,可以动态地修改分区之间的共享区域的配置信息。
    • 9. 发明授权
    • Failure analysis device, and system and method for same
    • 故障分析装置,系统及方法相同
    • US09065728B2
    • 2015-06-23
    • US13819563
    • 2011-03-03
    • Isao ShimokawaToshiaki TaruiHiroki MiyamotoTomohiro Baba
    • Isao ShimokawaToshiaki TaruiHiroki MiyamotoTomohiro Baba
    • H04L12/24H04L12/26H04L12/703
    • H04L41/06H04L41/0631H04L41/142H04L45/28
    • Systems, methods and devices for failure analysis are provided. Using aggregation flow mining (AFM) or a similar method, an integrated mining of flow (IMF) acquires, from each router to be tested, information relating to each flow. The IMF, in relation to each of the routers, obtains distributions of statistical information such as throughput or difference for each flow; calculates, in relation to each of the distributions, a Mahalanobis distance in relation to the expected value of a reference distribution; and makes a comprehensive assessment of the distributions to perform a fault determination. When the fault determination is performed, a normal value of the distribution used for comparison is acquired from AFM and updated through feedback as needed. After the results of fault determination relating to other routers are assessed, the expected value of the standard deviation and the average value of the reference distribution used for comparison are updated.
    • 提供了故障分析的系统,方法和设备。 使用聚合流挖掘(AFM)或类似方法,流的综合挖掘(IMF)从每个待测试的路由器获取与每个流相关的信息。 IMF与每个路由器相关,获得统计信息的分布,例如每个流的吞吐量或差异; 相对于每个分布计算与参考分布的期望值相关的马氏距离; 并对分布进行综合评估,以进行故障确定。 当执行故障确定时,从AFM获取用于比较的分布的正常值,并根据需要通过反馈进行更新。 在评估与其他路由器相关的故障确定结果之后,更新用于比较的标准偏差的预期值和参考分布的平均值。
    • 10. 发明申请
    • POWER MANAGEMENT METHOD FOR INFORMATION PLATFORM
    • 信息平台的电源管理方法
    • US20070277046A1
    • 2007-11-29
    • US11753796
    • 2007-05-25
    • Yoshiko YasudaTakashige BabaJun OkitsuToshiaki Tarui
    • Yoshiko YasudaTakashige BabaJun OkitsuToshiaki Tarui
    • G06F1/00
    • G06F1/3203G06F1/3209
    • To provide a power management method for an information platform, including: holding system configuration information indicating a correspondence between a logical system and a processing module constituting the logical system; holding power management information indicating a correspondence between information with which a type of the logical system can be specified, an operating condition of the logical system, and first power consumption for operating the logical system; selecting, the processing module which constitutes the logical system specified by a configuration request by referring to the system configuration information when receiving the configuration request of the logical system; calculating the first power consumption for operating the logical system based on the type and the operating condition included in the configuration request, and the power management information; and determining second power consumption to be supplied to the processing module based on the calculated first power consumption and information on the processing modules.
    • 提供一种用于信息平台的电源管理方法,包括:保持指示逻辑系统和构成逻辑系统的处理模块之间的对应关系的系统配置信息; 保持表示可以指定逻辑系统的类型的信息与逻辑系统的运行状态和操作逻辑系统的第一功耗之间的对应关系的功率管理信息; 在接收到逻辑系统的配置请求时,通过参考系统配置信息来选择构成由配置请求指定的逻辑系统的处理模块; 基于配置请求中包括的类型和操作条件以及电源管理信息,计算用于操作逻辑系统的第一功耗; 以及基于所计算的第一功率消耗和关于处理模块的信息来确定要提供给处理模块的第二功率消耗。