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    • 3. 发明申请
    • SYSTEM AND METHOD FOR MAINTAINING PACKET ORDER IN AN ORDERED DATA STREAM
    • 用于维护订单数据流中的分组订单的系统和方法
    • US20140219276A1
    • 2014-08-07
    • US13760109
    • 2013-02-06
    • Tommi M. JokinenDavid B. KramerKun Xu
    • Tommi M. JokinenDavid B. KramerKun Xu
    • H04L12/56
    • H04L47/62
    • A source processor can divide each packet of a data stream into multiple segments prior to communication of the packet, allowing a packet to be transmitted in smaller chunks. The source processor can process the segments for two or more packets for a given data stream concurrently, and provide appropriate context information in each segments header to facilitate in order transmission and reception of the packets represented by the individual segments. Similarly, a destination processor can receive the packet segments packets for an ordered data stream from a source processor, and can assign different contexts, based upon the context information in each segments header. When a last segment is received for a particular packet, the context for the particular packet is closed, and a descriptor for the packet is sent to a queue. The order in which the last segments of the packets are transmitted maintains order amongst the packets.
    • 源处理器可以在分组通信之前将数据流的每个分组划分成多个分段,从而允许以更小的分组发送分组。 源处理器可以对于给定数据流并发地处理两个或更多个分组的分段,并且在每个分段报头中提供适当的上下文信息,以有助于顺序发送和接收由各个分段表示的分组。 类似地,目的地处理器可以从源处理器接收用于有序数据流的分组分段分组,并且可以基于每个分段报头中的上下文信息来分配不同的上下文。 当针对特定分组接收到最后一个分段时,特定分组的上下文被关闭,并且分组的描述符被发送到队列。 传送数据包的最后一个段的顺序维护数据包之间的顺序。
    • 5. 发明授权
    • Scheduling memory access requests using predicted memory timing and state information
    • 使用预测的存储器定时和状态信息调度存储器访问请求
    • US08560796B2
    • 2013-10-15
    • US12748617
    • 2010-03-29
    • Kun XuDavid B Kramer
    • Kun XuDavid B Kramer
    • G06F13/18
    • G06F13/1689G06F12/0215
    • A data processing system employs an improved arbitration process in selecting pending memory access requests received from the one or more processor cores for servicing by the memory. The arbitration process uses memory timing and state information pertaining both to memory access requests already submitted to the memory for servicing and to the pending memory access requests which have not yet been selected for servicing by the memory. The memory timing and state information may be predicted memory timing and state information; that is, the component of the data processing system that implements the improved scheduling algorithm may not be able to determine the exact point in time at which a memory controller initiates a memory access for a corresponding memory access request and thus the component maintains information that estimates or otherwise predicts the particular state of the memory at any given time.
    • 数据处理系统采用改进的仲裁过程来选择从一个或多个处理器核心接收到的待存储器访问请求,以便由存储器进行服务。 仲裁过程使用与已经提交到存储器进行服务的存储器访问请求有关的存储器定时和状态信息以及尚未被存储器维护的未决存储器访问请求。 存储器定时和状态信息可以是预测的存储器定时和状态信息; 也就是说,实现改进的调度算法的数据处理系统的组件可能不能够确定存储器控制器针对相应的存储器访问请求启动存储器访问的确切时间点,因此该组件保持估计的信息 或以其他方式预测在任何给定时间的存储器的特定状态。
    • 6. 发明申请
    • SLIP RATE DETECTION METHOD AND DETECTION SYSTEM FOR ELECTRIC VEHICLE
    • 滑动速度检测方法及电动车辆检测系统
    • US20130253755A1
    • 2013-09-26
    • US13990125
    • 2011-07-29
    • Guoqing XuKun Xu
    • Guoqing XuKun Xu
    • G06F17/00
    • G06F17/00B60L3/10B60L11/1803B60L2220/14B60L2240/421B60L2240/423B60L2240/427B60L2240/429Y02T10/642Y02T10/70Y02T10/7005
    • A slip rate detection method and a detection system for detecting the slip rate of an electric vehicle using the method. The slip rate of an electric vehicle is measured by measuring the motor voltage, motor current, and motor rotational speed of the drive motor. The detection system includes a motor rotational speed detection unit, a motor voltage detection unit, and a motor current detection unit, all connected to the drive motor. The motor rotational speed detection unit, the motor voltage detection unit, and the motor current detection unit are connected to a slip rate calculation unit by means of a motor rotational speed signal processing unit, a voltage signal processing unit, and a current signal processing unit, respectively. The slip rate calculation unit is configured with a slip rate calculation formula. The formula is determined according to the drive motor type.
    • 一种滑移率检测方法和用于使用该方法检测电动车辆的滑移率的检测系统。 通过测量驱动电动机的电动机电压,电动机电流和电动机转速来测量电动车辆的滑移率。 检测系统包括电动机转速检测单元,电动机电压检测单元和电动机电流检测单元,其全部连接到驱动电动机。 马达转速检测单元,电动机电压检测单元和电动机电流检测单元通过电动机转速信号处理单元,电压信号处理单元和电流信号处理单元连接到滑差率计算单元 , 分别。 滑差率计算单元配置有滑差率计算公式。 公式根据驱动电机类型确定。
    • 9. 发明授权
    • Trace buffer with a processor
    • 具有处理器的跟踪缓冲区
    • US08291417B2
    • 2012-10-16
    • US11530051
    • 2006-09-08
    • Kun XuJen-Tien Yen
    • Kun XuJen-Tien Yen
    • G06F9/46G06F11/00G06F3/00
    • G06F11/3476G06F11/3466G06F2201/87
    • A method includes storing a first transaction entry to a first software configurable storage location, storing a second transaction entry to a second software configurable storage location, determining that a first transaction indicated by the first transaction entry has occurred, determining that a second transaction indicated by the second transaction entry has occurred subsequent to the first transaction, and, in response to determining that the first transaction occurred and the second transaction occurred, storing at least one transaction attribute captured during at least one clock cycle subsequent to the second transaction. The first and second software configurable storage locations may be located in a trace buffer, where the at least one transaction attribute is stored to the trace buffer and overwrites the first and second transaction attributes. Each transaction entry may include a dead cycle field, a consecutive transaction requirement field, and a last entry field.
    • 一种方法包括将第一交易条目存储到第一软件可配置存储位置,将第二交易条目存储到第二软件可配置存储位置,确定由第一交易条目指示的第一交易已经发生,确定由第一交易条目指示的第二交易 第二交易条目已经在第一交易之后发生,并且响应于确定第一交易发生和第二交易发生,存储在第二交易之后的至少一个时钟周期期间捕获的至少一个交易属性。 第一和第二软件可配置存储位置可以位于跟踪缓冲器中,其中至少一个事务属性被存储到跟踪缓冲器并且覆盖第一和第二事务属性。 每个交易条目可以包括死循环字段,连续交易需求字段和最后输入字段。