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51. 发明授权

US5857088A System for configuring memory space for storing single decoder table, reconfiguring same space for storing plurality of decoder tables, and selecting one configuration based on encoding scheme 失效
标题翻译：用于配置用于存储单个解码器表的存储器空间的系统，重新配置用于存储多个解码器表的相同空间，以及基于编码方案选择一个配置
公开(公告)号：US5857088A
公开(公告)日：1999-01-05
申请号：US529908
申请日：1995-09-18
申请人： Michael Keith , Eiichi Kowashi
发明人： Michael Keith , Eiichi Kowashi
IPC分类号： G06F9/38 , G06T1/20 , G06F9/30
CPC分类号： G06T1/20 , G06F9/30072 , G06F9/3863
摘要： Single-instruction multiple-data is a new class of integrated video signal processors especially suited for real-time processing of two-dimensional images. The single-instruction, multiple-data architecture is adopted to exploit the high degree of parallelism inherent in many video signal processing algorithms. Features have been added to the architecture which support conditional execution and sequencing--an inherent limitation of traditional single-instruction multiple-data machines. A separate transfer engine offloads transaction processing from the execution core, allowing balancing of input/output and compute resources--a critical factor in optimizing performance for video processing. These features, coupled with a scalable architecture allow a united programming model and application driven performance.
摘要翻译：单指令多数据是一类新的集成视频信号处理器，特别适用于二维图像的实时处理。采用单指令多数据架构来开发许多视频信号处理算法中固有的高度并行度。功能已被添加到支持条件执行和排序的架构中，这是传统单指令多数据机器的固有局限性。单独的传输引擎从执行核心中卸载事务处理，允许平衡输入/输出和计算资源，这是优化视频处理性能的关键因素。这些功能与可扩展架构相结合，可以实现统一的编程模型和应用驱动的性能。

52. 发明授权

US5701508A Executing different instructions that cause different data type operations to be performed on single logical register file 失效
标题翻译：执行导致在单个逻辑寄存器文件上执行不同数据类型操作的不同指令
公开(公告)号：US5701508A
公开(公告)日：1997-12-23
申请号：US574500
申请日：1995-12-19
申请人： Andrew F. Glew , Larry M. Mennemeier , Alexander D. Peleg , David Bistry , Millind Mittal , Carole Dulong , Eiichi Kowashi , Benny Eitan , Derrick Lin , Ramamohan R. Vakkalagadda
发明人： Andrew F. Glew , Larry M. Mennemeier , Alexander D. Peleg , David Bistry , Millind Mittal , Carole Dulong , Eiichi Kowashi , Benny Eitan , Derrick Lin , Ramamohan R. Vakkalagadda
IPC分类号： G06F9/30 , G06F9/318 , G06F9/455 , G06F9/46 , G06F9/00
CPC分类号： G06F9/3017 , G06F9/30036 , G06F9/30101 , G06F9/30105 , G06F9/30109 , G06F9/30112 , G06F9/30134 , G06F9/30189 , G06F9/384 , G06F9/45533 , G06F9/462
摘要： A method for executing different sets of instructions that cause a processor to perform different data type operations in a manner that is invisible to various operating system techniques, that promotes good programming practices, and that is invisible to existing software conventions. According to one aspect of the invention, a data processing apparatus executes a first set of instructions of a first instruction type on what at least logically appears to software as a single logical register file. While the data processing apparatus is executing the first set of instructions, the single logical register file appears to be operated as a flat register file. In addition, the data processing apparatus executes a first instruction of a second instruction type using the logical register file. However, while the data processing apparatus is executing the first instruction, the logical register file appears to be operated as a stack referenced register file. Furthermore, the data processing apparatus alters all tags in a set of tags corresponding to the single logical register file to a non-empty state sometime between starting the execution of the first set of instructions and completing the execution of the first instruction. The tags identifying whether registers in the single logical register file are empty or non-empty.
摘要翻译：一种用于执行不同的指令集的方法，其使得处理器以对于各种操作系统技术是不可见的方式执行不同的数据类型操作，其促进良好的编程实践，并且对于现有的软件约定是不可见的。根据本发明的一个方面，数据处理设备执行第一指令类型的第一组指令，至少在软件上逻辑上显示为单个逻辑寄存器文件。当数据处理装置正在执行第一组指令时，单个逻辑寄存器文件似乎被操作为平坦寄存器文件。此外，数据处理装置使用逻辑寄存器文件执行第二指令类型的第一指令。然而，当数据处理装置正在执行第一指令时，逻辑寄存器文件似乎被操作为堆栈引用的寄存器文件。此外，在开始执行第一组指令并完成第一指令的执行之前的某个时刻，数据处理装置将对应于单个逻辑寄存器文件的一组标签中的所有标签改变为非空状态。识别单个逻辑寄存器文件中的寄存器是空还是非空的标签。

53. 发明授权

US5548793A System for controlling arbitration using the memory request signal types generated by the plurality of datapaths 失效
标题翻译：用于使用由多个数据路径生成的存储器请求信号类型来控制仲裁的系统
公开(公告)号：US5548793A
公开(公告)日：1996-08-20
申请号：US230899
申请日：1994-04-21
申请人： David L. Sprague , Kevin Harney , Eiichi Kowashi , Michael Keith , Allen H. Simon , Gregory M. Papadopoulos , Walter P. Hays , George F. Salem , Shih-Wei Shiue , Anthony P. Bertapelli , Vitaly H. Shilman
发明人： David L. Sprague , Kevin Harney , Eiichi Kowashi , Michael Keith , Allen H. Simon , Gregory M. Papadopoulos , Walter P. Hays , George F. Salem , Shih-Wei Shiue , Anthony P. Bertapelli , Vitaly H. Shilman
IPC分类号： G06F9/30 , G06F9/38 , G06F13/00 , G06F15/16
CPC分类号： G06F9/3885 , G06F9/30072 , G06F9/30149 , G06F9/3802 , G06F9/3863 , G06F9/3887
摘要： A system and method for arbitrating among memory requests. According to a preferred embodiment, the system comprises a global memory and a plurality of datapaths. Each datapath comprises a datapath processor for executing instructions of an instruction sequence and for providing a plurality of memory request signal types in accordance with the instructions, wherein the plurality of memory request signal types comprises instruction memory request signals, scalar memory request signals, first-in and first-out memory request signals, statistical decoder memory request signals, and block transfer memory request signals. Each datapath also comprises local memory, a global port for transferring data between the local memory and the global memory, and a dual port comprising first and second local ports for transferring data between the local memory and the datapath processor, wherein the first and second local ports permit simultaneous transfer of data between the local memory and the datapath processor. The system comprises a data bus coupled to the global memory for transferring data to and from the global memory, and a transfer controller for controlling block transfer and scalar data transfers between the local memory and the global memory over the data bus and for arbitrating among competing datapaths of the plurality of datapaths to grant to a selected datapath access to the data bus in accordance with the signal types of the memory request signals generated by datapaths of the plurality of datapaths.
摘要翻译：一种用于在存储器请求之间进行仲裁的系统和方法。根据优选实施例，系统包括全局存储器和多个数据路径。每个数据路径包括用于执行指令序列的指令并根据指令提供多个存储器请求信号类型的数据路径处理器，其中多个存储器请求信号类型包括指令存储器请求信号，标量存储器请求信号，输入和先出存储器请求信号，统计解码器存储器请求信号和块传送存储器请求信号。每个数据路径还包括本地存储器，用于在本地存储器和全局存储器之间传送数据的全局端口，以及包括用于在本地存储器和数据路口处理器之间传送数据的第一和第二本地端口的双端口，其中第一和第二本地端口允许在本地存储器和数据路径处理器之间同时传输数据。该系统包括耦合到全局存储器的数据总线，用于将数据传送到全局存储器和从全局存储器传送数据;以及传输控制器，用于通过数据总线控制本地存储器和全局存储器之间的块传输和标量数据传输，并且用于在竞争中进行仲裁根据由多个数据路径的数据路径生成的存储器请求信号的信号类型，多个数据路径的数据路径被授权给对数据总线的选择的数据路径访问。

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