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    • 11. 发明授权
    • Memory access monitoring method and device
    • 内存访问监控方法和设备
    • US08713275B2
    • 2014-04-29
    • US13341416
    • 2011-12-30
    • Xiaofeng ZhangFan Fang
    • Xiaofeng ZhangFan Fang
    • G06F13/00
    • G06F12/0284G06F11/3466G06F12/122G06F2201/88G06F2201/885G06F2212/2542
    • A memory access monitoring method and a memory access monitoring method device are disclosed, The method comprises: performing coarse grain monitoring on local memory pages, if a hot page with coarse grain monitoring exists in the local memory pages, requesting an operating system to perform an optimized migration for the content of the hot page, and if a half hot page with coarse grain monitoring exists in the local memory pages, initiating fine grain monitoring to the half hot page; and performing fine grain monitoring on the half hot page, if a hot area with fine grain monitoring exists in the half hot page, requesting the operating system to perform an optimized migration for the content of the hot area.
    • 公开了一种存储器访问监视方法和存储器访问监视方法装置。该方法包括:对本地存储器页面进行粗粒度监视,如果在本地存储器页面中存在粗粒度监视的热页面,请求操作系统执行 优化了热页面内容的迁移,如果在本地内存页面中存在粗粒度监控的半热页面,则在半热页面上启动细粒度监控; 并在半热页面进行细粒度监控,如果在半热页面中存在具有细粒度监视的热区域,请求操作系统对热区域的内容进行优化迁移。
    • 14. 发明申请
    • DATA ACCESS PROCESSING METHOD AND APPARATUS
    • 数据访问处理方法和装置
    • US20120272022A1
    • 2012-10-25
    • US13340170
    • 2011-12-29
    • Wei WangXiaofeng Zhang
    • Wei WangXiaofeng Zhang
    • G06F12/16
    • G06F9/545G06F12/1009H04L29/06
    • A data access processing method and apparatus, the method comprising: copying a kernel code and a global descriptor table on a memory of each of nodes respectively (101); making base addresses of kernel code segments on the respective nodes in the global descriptor table respectively point to linear addresses of the kernel code corresponding to the respective nodes based on a virtual address of the kernel code (102); and recording a mapping relation between the linear addresses of the kernel code corresponding to the respective nodes and physical addresses of the respective nodes in a kernel page table respectively, to enable a process to access the kernel code locally in the respective nodes (103). The apparatus comprises a copying module (401), a modifying module (402) and a recording module (403).
    • 一种数据访问处理方法和装置,所述方法包括:分别在每个节点的存储器上复制内核代码和全局描述符表(101); 基于所述内核代码(102)的虚拟地址,使所述全局描述符表中相应节点上的内核代码段的基址分别指向与所述各个节点相对应的所述内核代码的线性地址; 以及分别在内核页表中记录对应于各个节点的内核代码的线性地址和各个节点的物理地址之间的映射关系,以使得进程能够在各个节点(103)中本地访问内核代码。 该装置包括复制模块(401),修改模块(402)和记录模块(403)。
    • 16. 发明申请
    • Self-Adaptive Study Evaluation
    • 自适应研究评估
    • US20100129783A1
    • 2010-05-27
    • US12323331
    • 2008-11-25
    • Changnian LiangPingyi YanXiaofeng ZhangYuan Li
    • Changnian LiangPingyi YanXiaofeng ZhangYuan Li
    • G09B5/00
    • G09B7/04
    • A study evaluation system used for computer-based learning uses evaluation contents arranged in a multilevel arrangement for self-adaptive study evaluation. The study evaluation system provides a present evaluation content to a user through user interaction, and determines a subsequent evaluation content or a subsequent knowledge point to be studied by the user at least partially based on the user feedback on the present evaluation content, the multilevel arrangement of the evaluation contents, and a characteristic information of the user. The study evaluation system may further establish a data set for each user to record the user feedbacks on the evaluation contents, and use the data set in combination with certain basic user information to realize individualized study evaluation.
    • 用于计算机学习的研究评估系统使用以多级安排排列的评估内容进行自适应学习评估。 研究评估系统通过用户交互向用户提供当前的评估内容,并且至少部分地基于用户对当前评估内容的反馈来确定用户要研究的后续评估内容或后续知识点,多级布置 的评估内容,以及用户的特征信息。 研究评估系统可以进一步建立每个用户的数据集,以便记录用户对评估内容的反馈,并结合某些基本用户信息使用数据集,实现个性化的学习评估。
    • 19. 发明授权
    • Electronic device having USB interface and method for starting USB communication with such device
    • 具有USB接口的电子设备和用于启动与这种设备的USB通信的方法
    • US09110650B2
    • 2015-08-18
    • US14113947
    • 2011-11-15
    • Yongping ShaoHuiqin ShiMin XuTao WangTierui YaoXiaofeng Zhang
    • Yongping ShaoHuiqin ShiMin XuTao WangTierui YaoXiaofeng Zhang
    • G06F1/26H02J7/00G06F13/38G06F13/42
    • G06F1/26G06F13/385G06F13/4295H02J7/00H02J2007/0062
    • The present disclosure provides an electronic device having a USB interface and a method for starting USB communication with such an electronic device, so as to solve the problem of a risk of damaging a mobile phone terminal device arising from sharing of an interface by a charger and a USB communication cable in the related art. In the electronic device, a port GPIO of a baseband chip is connected to a pin USB_VBUS of a USB interface of the baseband chip; based on this circuit, a power management chip detects a state of plugging-in-or-pulling-out of the charger and generates a corresponding interrupt request; and the baseband chip controls the GPIO to output a corresponding level according to the interrupt request. By connecting the port GPIO and the pin USB_VBUS and controlling an output level of GPIO with a software, a high level or a low level (as a triggering signal for starting or terminating the USB communication) is input to the pin USB_VBUS, thus avoiding damage to the device.
    • 本公开提供一种具有USB接口的电子设备和用于开始与这种电子设备的USB通信的方法,以解决由于充电器共享接口而导致的移动电话终端设备损坏的风险的问题,以及 相关技术中的USB通信电缆。 在电子设备中,基带芯片的端口GPIO连接到基带芯片的USB接口的引脚USB_VBUS; 基于该电路,电源管理芯片检测充电器插拔的状态,并产生相应的中断请求; 并且基带芯片控制GPIO根据中断请求输出相应的电平。 通过连接端口GPIO和引脚USB_VBUS并通过软件控制GPIO的输出电平,将高电平或低电平(作为用于启动或终止USB通信的触发信号)输入到引脚USB_VBUS,从而避免损坏 到设备。