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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。
    • 3. 发明授权
    • Shared memory multiprocessor system
    • 共享内存多处理器系统
    • US07206818B2
    • 2007-04-17
    • US10632856
    • 2003-08-04
    • Toshio OkochiToru ShonaiNaoki HamanakaNaohiko IrieHideya Akashi
    • Toshio OkochiToru ShonaiNaoki HamanakaNaohiko IrieHideya Akashi
    • G06F15/167
    • G06F15/167G06F2212/682
    • Multiprocessor system, having a translation lookaside buffer (TLB) in each processor, and having a structure for avoiding TLB purge overhead. Each processor node is provided with a partial main memory and a physical page map table (PPT). The PPT stores mapping between physical page number of main memory and virtual page number. Every memory access transaction for other node specifies physical address and virtual page number. Instead of strictly maintaining TLB coherency by broadcasting TLB purge transaction, an access destination node checks the coincidence between the virtual page number specified in the memory access transaction and the virtual page number mapped in the PPT when the transaction is received. If both are coincident, the memory access is executed. If not coincident, an error message is transferred to an access requesting source.
    • 在每个处理器中具有翻译后备缓冲器(TLB)的多处理器系统,并具有用于避免TLB清除开销的结构。 每个处理器节点设置有部分主存储器和物理页映射表(PPT)。 PPT存储主存储器的物理页数和虚拟页码之间的映射。 其他节点的每个内存访问事务都指定物理地址和虚拟页码。 访问目的地节点不是通过广播TLB清除事务来严格维护TLB一致性,而是在接收事务时检查在存储器访问事务中指定的虚拟页号与在PPT中映射的虚拟页号之间的一致性。 如果两者都一致,则执行存储器访问。 如果不一致,则将错误消息传送到请求访问源。
    • 5. 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。
    • 8. 发明授权
    • System and method for factory work logging
    • 用于工厂工作记录的系统和方法
    • US08094975B2
    • 2012-01-10
    • US12314844
    • 2008-12-17
    • Toshio OkochiKei SuzukiKazuhiko Matsumoto
    • Toshio OkochiKei SuzukiKazuhiko Matsumoto
    • G06K9/22
    • G06Q10/10
    • Provided is an information processing system which has a plurality of tags, a tag reader, a digital-pen, and a server. The plurality of tags each hold a tag identifier. The tag reader reads the tag identifier held in each of the plurality of tags. The digital-pen reads location information, which identifies a location where handwriting is made on paper. The server keeps work record including information that associates the tag identifier recorded in the server in advance with the location on paper. When it is judged that the read tag identifier and a handwriting location identified by the location information are associated with each other, the server judges whether or not the read tag identifier matches the tag identifier recorded in advance that is associated by the work record with the handwriting location identified by the location information. The server outputs a result of the judging.
    • 提供了具有多个标签,标签读取器,数字笔和服务器的信息处理系统。 多个标签各自保存标签标识符。 标签读取器读取保存在多个标签中的每一个中的标签标识符。 数字笔读取位置信息,其标识在纸上进行手写的位置。 服务器保存工作记录,包括将服务器中记录的标签标识符与纸张上的位置预先相关联的信息。 当判断出读取的标签标识符和由位置信息识别的手写位置彼此相关联时,服务器判断读取的标签标识符是否与预先记录的与工作记录相关联的标签标识符与 由位置信息识别的手写位置。 服务器输出判断结果。