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    • 4. 发明授权
    • Cache storage queue
    • 缓存存储队列
    • US4855904A
    • 1989-08-08
    • US225875
    • 1988-09-22
    • Kevin L. DaberkowChristopher D. FinanJoseph A. PetolinoDaniel C. SobottkaJeffrey A. Thomas
    • Kevin L. DaberkowChristopher D. FinanJoseph A. PetolinoDaniel C. SobottkaJeffrey A. Thomas
    • G06F9/38G06F12/08
    • G06F9/3824G06F12/0855
    • In a pipeline data processing machine having a first unit for execution of instructions running according to a first pipeline and a second unit for storing data from a plurality of ports running according to a second pipeline, the first unit having a result register for holding results including data and address information of a flow of the first pipeline, the present invention provides an apparatus for transferring results in the result register to the second unit. A plurality of registers connected to the result register, each storing the result from at least one flow of the first pipeline and storing control information is provided. Further, a controller in communication with the second unit and the plurality of ports responsive to the control information and a flow of the second pipeline is included for selecting one of the plurality of ports in a first-in, first-out queue as a port to the second unit and for updating the control information.
    • 在具有用于执行根据第一流水线运行的指令的第一单元和用于存储根据第二流水线运行的多个端口的数据的地址单元的流水线数据处理机中,所述第一单元具有用于保存结果的结果寄存器,包括 第一流水线的数据和地址信息,本发明提供一种用于将结果寄存器中的结果传送到第二单元的装置。 提供连接到结果寄存器的多个寄存器,每个寄存器存储来自第一流水线的至少一个流的结果和存储控制信息。 此外,包括响应于控制信息和第二流水线的与第二单元和多个端口通信的控制器,用于在先入先出的队列中选择多个端口中的一个作为端口 到第二单元并用于更新控制信息。
    • 6. 发明授权
    • Error detection and correction scheme for main storage unit
    • 主存储单元的错误检测和纠正方案
    • US4852100A
    • 1989-07-25
    • US61847
    • 1987-06-11
    • Harold F. ChristensenJeffrey A. ThomasJeffrey IsozakiJoseph A. Petolino
    • Harold F. ChristensenJeffrey A. ThomasJeffrey IsozakiJoseph A. Petolino
    • G06F11/07G06F11/10G06F12/00
    • G06F11/0772G06F11/073G06F11/10G06F12/00
    • The present invention provides an apparatus for reporting errors in data stored in a memory apparatus of a data processor, comprising: first means for storing multiple digital first signals; second means for storing said multiple digital first signals and adapted for storing at least one digital second signal; third means for transmitting said multiple digital first signals substantially from said first means to said second means; fourth means for providing said at least one digital second signal, in the course of the transmitting of said first signals by said third means, in response to an occurrence of one or more errors in one or more of said multiple digital first signals; fifth means for transmitting said multiple digital first signals substantially from said second means to said first means; and sixth means adapted for receiving said at least one digital second signal in the course of the transmitting of said multiple digital first signals by said fifth means and for providing at least one third signal in response to an occurrence of said at least one digital second signal. ECC codes are generated and applied over a plurality of distinct checking blocks in each flow of data in order to minimize delays in the move-in data path, and bypass data paths are provided such that a flow may bypass all error checking and correcting circuitry and cacheing apparatus between the main storage array and the CPU.
    • 本发明提供一种用于报告存储在数据处理器的存储装置中的数据中的错误的装置,包括:用于存储多个数字第一信号的第一装置; 用于存储所述多个数字第一信号并适于存储至少一个数字第二信号的第二装置; 用于将所述多个数字第一信号基本上从所述第一装置发送到所述第二装置的第三装置; 第四装置,用于在所述第三装置发送所述第一信号的过程中,响应于在所述多个数字第一信号中的一个或多个中出现一个或多个错误,提供所述至少一个数字第二信号; 用于将所述多个数字第一信号基本上从所述第二装置发送到所述第一装置的第五装置; 以及第六装置,适于在所述第五装置发送所述多个数字第一信号的过程中接收所述至少一个数字第二信号,并响应于所述至少一个数字第二信号的发生而提供至少一个第三信号 。 在每个数据流中,通过多个不同的检查块生成并应用ECC代码,以便最小化移入数据路径中的延迟,并且提供旁路数据路径,使得流可绕过所有错误检查和校正电路,并且 主存储阵列与CPU之间的缓存设备。
    • 7. 发明授权
    • Computer system architecture implementing split instruction and operand
cache line-pair-state management
    • 计算机系统架构实现分割指令和操作数高速缓存线对状态管理
    • US5095424A
    • 1992-03-10
    • US384867
    • 1989-07-21
    • Gary A. WoffindenTheodore S. RobinsonJeffrey A. ThomasRobert A. ErtlJames P. MillarChristopher D. FinanJoseph A. PetolinoAjay ShahShen H. WangMark Semmelmeyer
    • Gary A. WoffindenTheodore S. RobinsonJeffrey A. ThomasRobert A. ErtlJames P. MillarChristopher D. FinanJoseph A. PetolinoAjay ShahShen H. WangMark Semmelmeyer
    • G06F12/08
    • G06F12/0848
    • A computer system architecture implementing multiple central processing units, each including a split instruction and operand cache, and that provides for the management of multiple copies (line pairs) of a memory line through the use of a line pair state is described. Systematic management of memory lines when transferred with respect to instruction and operand data cache memories allows the integrity of the system to be maintained at all times. The split cache architecture management determines whether a memory line having a first predetermined system address is present within both the instruction and operand cache memories or will be upon move-in of a memory line. Address tag line pair state information is maintained to allow determinations of whether and where the respective memory line pair members reside. The architecture implements the management of the line pairs on each transfer of a memory line to any of the split caches of the system. A line pair is allowed to exist whenever the same memory line exists in the same relative location in each of the instruction and operand cache buffers of a single central processor. The architecture further includes a data path selector for transferring operand data to either the instruction or operand data cache buffers, or both, depending on whether the operand buffer destination is a memory line that is a member of a line pair.
    • 描述了实现多个中央处理单元的计算机系统架构,每个中央处理单元包括分割指令和操作数高速缓存,并且通过使用线对状态来管理存储器线的多个副本(线对)。 当对指令和操作数数据高速缓存存储器进行传输时,对存储器线路的系统管理允许始终保持系统的完整性。 分割高速缓存架构管理确定在指令和操作数高速缓存存储器内是否存在具有第一预定系统地址的存储器线,或者将在存储器线路中移入。 维持地址标签线对状态信息以允许确定各个存储器线对成员是否存在和在何处驻留。 该架构在将存储器线路的每次传送到系统的任何分割高速缓存时实现线对的管理。 只要在单个中央处理器的每个指令和操作数缓存缓冲器中的相同相对位置存在相同的存储器线,就允许线对存在。 该架构还包括数据路径选择器,用于根据操作数缓冲目标是作为线对的成员的存储线,将操作数数据传送到指令或操作数数据高速缓冲存储器或两者。