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    • 2. 发明授权
    • Efficient garbage collection in virtualization environment
    • 虚拟化环境中高效的垃圾收集
    • US08856194B2
    • 2014-10-07
    • US13088475
    • 2011-04-18
    • Ying ChenLi LiLiang LiuRui Xiong TianHao WongQing Bo Wang
    • Ying ChenLi LiLiang LiuRui Xiong TianHao WongQing Bo Wang
    • G06F9/455G06F12/02
    • G06F12/0253G06F9/45558G06F2009/45583
    • A method and system for garbage collection in a virtualization environment. The virtualization environment includes a virtual machine hypervisor, at least one guest operating system, and at least one application program that runs on each guest operating system. The application program performs memory management using a garbage collection mechanism. The method includes, in response to an operating environment of the application program initiating garbage collection, the garbage collector requesting the guest operating system to assign a memory space and in response, the guest operating system assigns the memory space to the garbage collector. Then garbage collector marks live objects in an original memory space of the application program, and replicates the marked live objects to the assigned memory space. Finally, the garbage collector releases the original memory space of the application program to the guest operating system.
    • 一种虚拟化环境中垃圾收集的方法和系统。 虚拟化环境包括虚拟机管理程序,至少一个客户操作系统以及在每个客户操作系统上运行的至少一个应用程序。 应用程序使用垃圾回收机制执行内存管理。 该方法包括:响应于启动垃圾收集的应用程序的操作环境,垃圾收集器请求客户操作系统分配存储器空间,并且作为响应,客户操作系统将存储器空间分配给垃圾收集器。 然后,垃圾回收器将应用程序的原始内存空间中的活动对象标记,并将标记的活动对象复制到分配的内存空间。 最后,垃圾收集器将应用程序的原始内存空间释放到客户机操作系统。
    • 8. 发明申请
    • Efficient Garbage Collection in Virtualization Environment
    • 虚拟化环境中的高效垃圾收集
    • US20110270899A1
    • 2011-11-03
    • US13088475
    • 2011-04-18
    • Ying ChenLi LiLiang LiuRui Xiong TianHao WongQing Bo Wang
    • Ying ChenLi LiLiang LiuRui Xiong TianHao WongQing Bo Wang
    • G06F12/00
    • G06F12/0253G06F9/45558G06F2009/45583
    • A method and system for garbage collection in a virtualization environment. The virtualization environment includes a virtual machine hypervisor, at least one guest operating system, and at least one application program that runs on each guest operating system. The application program performs memory management using a garbage collection mechanism. The method includes, in response to an operating environment of the application program initiating garbage collection, the garbage collector requesting the guest operating system to assign a memory space and in response, the guest operating system assigns the memory space to the garbage collector. Then garbage collector marks live objects in an original memory space of the application program, and replicates the marked live objects to the assigned memory space. Finally, the garbage collector releases the original memory space of the application program to the guest operating system.
    • 一种虚拟化环境中垃圾收集的方法和系统。 虚拟化环境包括虚拟机管理程序,至少一个客户操作系统以及在每个客户操作系统上运行的至少一个应用程序。 应用程序使用垃圾回收机制执行内存管理。 该方法包括:响应于启动垃圾收集的应用程序的操作环境,垃圾收集器请求客户操作系统分配存储器空间,并且作为响应,客户操作系统将存储器空间分配给垃圾收集器。 然后,垃圾回收器将应用程序的原始内存空间中的活动对象标记,并将标记的活动对象复制到分配的内存空间。 最后,垃圾收集器将应用程序的原始内存空间释放到客户机操作系统。
    • 10. 发明授权
    • Determining location of mobile device
    • 确定移动设备的位置
    • US09265024B2
    • 2016-02-16
    • US14241702
    • 2012-06-27
    • Li LiRui Xiong TianWei XueYi Xin Zhao
    • Li LiRui Xiong TianWei XueYi Xin Zhao
    • H04W4/02H04W64/00G01S5/00G01S5/02
    • H04W64/00G01S5/0072G01S5/0284
    • Embodiments of the present invention relate to a method and apparatus for determining the location of a mobile device. Specifically, the method comprises: receiving the location message from a neighboring mobile device, the location message comprising the location of the neighboring mobile device at the current time which is obtained by the neighboring mobile device through calculation utilizing signals received from satellites; and estimating the location of the mobile device at the current time based on stored locations of the mobile device at historical time, stored locations of the neighboring mobile device at the historical time, and the received location of the neighboring mobile device at the current time.
    • 本发明的实施例涉及一种用于确定移动设备的位置的方法和装置。 具体地说,该方法包括:从邻近的移动设备接收定位消息,所述位置消息包括当前时间由相邻移动设备通过利用从卫星接收的信号的计算获得的邻近移动设备的位置; 以及基于当前时间的移动设备的存储位置,在历史时刻的相邻移动设备的存储位置和当前时间的相邻移动设备的接收位置来估计当前时间的移动设备的位置。