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    • 3. 发明授权
    • Cache memory control device, semiconductor integrated circuit, and cache memory control method
    • 高速缓存存储控制装置,半导体集成电路和缓存存储器控制方法
    • US08713291B2
    • 2014-04-29
    • US12926455
    • 2010-11-18
    • Naoya Ishimura
    • Naoya Ishimura
    • G06F9/00G06F13/00
    • G06F12/0846G06F12/084G06F12/0855
    • A cache memory control device includes cache memories shared by arithmetic processing units, buses shared by the arithmetic processing units to transfer data, an instruction execution unit that accesses the cache memories to execute an access instruction from the arithmetic processing unit, and transfers data from the cache memory to the bus, an instruction feeding unit that feeds the access instruction to the instruction execution unit while inhibiting feeding of a subsequent access instruction for the cache memory accessed in the preceding access instruction in an execution period of the preceding access instruction and inhibiting feeding of a subsequent access instruction using the same bus as the preceding access instruction in a predetermined period, and a timing control unit that, depending on the type of the subsequent access instruction, controls the instruction executing unit to delay the transfer of the data from the cache memory to the bus.
    • 高速缓冲存储器控制装置包括由算术处理单元共享的高速缓存存储器,由算术处理单元共享的总线传送数据的指令执行单元,访问高速缓存存储器以执行来自算术处理单元的访问指令的指令执行单元, 高速缓冲存储器到总线,指令馈送单元,在前一个访问指令的执行期间禁止对前一访问指令中访问的高速缓冲存储器的后续访问指令的馈送,并且禁止进给 使用与预定时间段中的前一次访问指令相同的总线的后续访问指令;以及定时控制单元,其根据后续访问指令的类型来控制指令执行单元,以延迟数据从 高速缓冲存储器到总线。
    • 4. 发明申请
    • Processor and data transfer method
    • 处理器和数据传输方法
    • US20110022742A1
    • 2011-01-27
    • US12805193
    • 2010-07-16
    • Kumiko EndoNaoya Ishimura
    • Kumiko EndoNaoya Ishimura
    • G06F13/00G06F5/00
    • G06F13/1673G06F13/1684
    • A processor. In response to requests from a processing section, first and second memory controllers transfer first and second data items to the processing section via first and second buses, respectively. When transfers of the data items are concurrently performed via the first and second buses, one of the data items is transferred to the processing section by the buffer controller, and the other of the data items is stored in the buffer by the buffer controller. Then, after termination of transfer of the one of the data items, the other data item is transferred from the buffer to the processing section by the buffer controller.
    • 处理器 响应于来自处理部分的请求,第一和第二存储器控制器分别经由第一和第二总线将第一和第二数据项传送到处理部分。 当通过第一和第二总线同时执行数据项的传送时,其中一个数据项由缓冲器控制器传送到处理部分,另一个数据项由缓冲器控制器存储在缓冲器中。 然后,在数据项中的一个数据项的传送终止之后,其他数据项由缓冲器控制器从缓冲器传送到处理部分。
    • 6. 发明授权
    • Cache memory device, processor, and processing method
    • 缓存存储器,处理器和处理方法
    • US08589636B2
    • 2013-11-19
    • US12801869
    • 2010-06-29
    • Akihiro WakuNaoya IshimuraHiroyuki Kojima
    • Akihiro WakuNaoya IshimuraHiroyuki Kojima
    • G06F12/00
    • G06F12/0888
    • A cache memory device includes: a data memory storing data written by an arithmetic processing unit; a connecting unit connecting an input path from the arithmetic processing unit to the data memory and an output path from the data memory to a main storage unit; a selecting unit provided on the output path to select data from the data memory or data from the arithmetic processing unit via the connecting unit, and to transfer the selected data to the output path; and a control unit controlling the selecting unit such that the data from the data memory is transferred to the output path when the data is written from the data memory to the main storage unit, and such that the data is transferred to the output path via the connecting unit when the data is written from the arithmetic processing unit to the main storage unit.
    • 高速缓冲存储器装置包括:数据存储器,存储由算术处理单元写入的数据; 连接单元,连接从算术处理单元到数据存储器的输入路径以及从数据存储器到主存储单元的输出路径; 选择单元,设置在所述输出路径上以经由所述连接单元从所述数据存储器选择数据或来自所述算术处理单元的数据,并将所选择的数据传送到所述输出路径; 以及控制单元,其控制所述选择单元,使得当所述数据从所述数据存储器写入所述主存储单元时,来自所述数据存储器的数据被传送到所述输出路径,并且使得所述数据经由所述数据存储器被传送到所述输出路径 当从算术处理单元向主存储单元写入数据时,连接单元。
    • 8. 发明申请
    • Cache memory device, processor, and processing method
    • 缓存存储器,处理器和处理方法
    • US20100332758A1
    • 2010-12-30
    • US12801869
    • 2010-06-29
    • Akihiro WakuNaoya IshimuraHiroyuki Kojima
    • Akihiro WakuNaoya IshimuraHiroyuki Kojima
    • G06F12/08G06F12/00G06F9/302
    • G06F12/0888
    • A cache memory device includes: a data memory storing data written by an arithmetic processing unit; a connecting unit connecting an input path from the arithmetic processing unit to the data memory and an output path from the data memory to a main storage unit; a selecting unit provided on the output path to select data from the data memory or data from the arithmetic processing unit via the connecting unit, and to transfer the selected data to the output path; and a control unit controlling the selecting unit such that the data from the data memory is transferred to the output path when the data is written from the data memory to the main storage unit, and such that the data is transferred to the output path via the connecting unit when the data is written from the arithmetic processing unit to the main storage unit.
    • 高速缓冲存储器装置包括:数据存储器,存储由算术处理单元写入的数据; 连接单元,连接从算术处理单元到数据存储器的输入路径以及从数据存储器到主存储单元的输出路径; 选择单元,设置在所述输出路径上以经由所述连接单元从所述数据存储器选择数据或来自所述算术处理单元的数据,并将所选择的数据传送到所述输出路径; 以及控制单元,其控制所述选择单元,使得当所述数据从所述数据存储器写入所述主存储单元时,来自所述数据存储器的数据被传送到所述输出路径,并且使得所述数据经由所述数据存储器被传送到所述输出路径 当从算术处理单元向主存储单元写入数据时,连接单元。
    • 9. 发明授权
    • Overtake request control apparatus and overtake request control method
    • 超驰请求控制装置和超载请求控制方法
    • US07849230B2
    • 2010-12-07
    • US12222228
    • 2008-08-05
    • Naoya IshimuraHiroyuki Kojima
    • Naoya IshimuraHiroyuki Kojima
    • G06F3/00G06F13/00G06F7/38
    • G06F13/14
    • A request control apparatus and a request control method are configured such that when an A type request that is an overtaking acceptable request allowed to overtake and to be overtaken among the other requests is turned to a retry matter on a pipeline, a request-order control unit performs an information renewal such that the A type request is rearranged to a place immediately preceding a B type request that is an overtaking inhibited request inhibited to overtake or to be overtaken among the other requests, and a request fetching unit fetches requests from ports by using the information renewed by the request-order control unit. Moreover, the request-order control unit is configured to perform request order control per request source.
    • 请求控制装置和请求控制方法被配置为使得当超过可接受请求的A类型请求被允许超过并且在其他请求中被超时时,将被转到管线上的重试事务,请求命令控制 单元执行信息更新,使得A类型请求被重新排列到超过禁止请求的B类型请求之前禁止超过或超过其他请求的请求,并且请求提取单元从端口获取请求 使用由请求单控制单元更新的信息。 此外,请求顺序控制部被配置为对每个请求源执行请求顺序控制。
    • 10. 发明授权
    • Processor and data transfer method
    • 处理器和数据传输方法
    • US08713216B2
    • 2014-04-29
    • US12805193
    • 2010-07-16
    • Kumiko EndoNaoya Ishimura
    • Kumiko EndoNaoya Ishimura
    • G06F13/00
    • G06F13/1673G06F13/1684
    • A processor. In response to requests from a processing section, first and second memory controllers transfer first and second data items to the processing section via first and second buses, respectively. When transfers of the data items are concurrently performed via the first and second buses, one of the data items is transferred to the processing section by the buffer controller, and the other of the data items is stored in the buffer by the buffer controller. Then, after termination of transfer of the one of the data items, the other data item is transferred from the buffer to the processing section by the buffer controller.
    • 处理器 响应于来自处理部分的请求,第一和第二存储器控制器分别经由第一和第二总线将第一和第二数据项传送到处理部分。 当通过第一和第二总线同时执行数据项的传送时,其中一个数据项由缓冲器控制器传送到处理部分,另一个数据项由缓冲器控制器存储在缓冲器中。 然后,在数据项中的一个数据项的传送终止之后,其他数据项由缓冲器控制器从缓冲器传送到处理部分。