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    Targeted memory pressure event notifications
    5.
    发明授权
    Targeted memory pressure event notifications 有权
    目标内存压力事件通知

    公开(公告)号：US09170859B2

    公开(公告)日：2015-10-27

    申请号：US13650083

    申请日：2012-10-11

    Applicant: Apple Inc.

    Inventor： Ananthakrishna Ramesh ,  Daniel E. Crosby ,  James Michael Magee ,  Lionel D. Desai ,  Matthew G. Watson ,  Neil G. Crane

    IPC: G06F9/54 ,  G06F9/50

    CPC classification number: G06F9/542 ,  G06F9/5016 ,  G06F2209/504 ,  G06F2209/508 ,  G06F2209/543 ,  Y02D10/22

    Abstract: Systems, methods, and computer program products for target memory pressure event notifications are disclosed. Processes running on a device can register to receive memory pressure event notifications from a memory management system, which are sent while memory pages are being reclaimed. Active processes running on a device processor can be assigned a priority that ranges from low to high. Responsive to a memory pressure event occurring on the device, the memory management system determines whether less than a threshold number of high priority processes are active on the device. If so, the memory management system sends a memory pressure event notification to the registered process with the lowest priority among the active processes.

    Abstract translation: 公开了用于目标存储器压力事件通知的系统，方法和计算机程序产品。 在设备上运行的进程可以注册以从存储器管理系统接收内存压力事件通知，这些内存管理系统在内存页面被回收时发送。 在设备处理器上运行的活动进程可以分配从低到高的优先级。 响应于在设备上发生的存储器压力事件，存储器管理系统确定在设备上是否有小于阈值数量的高优先级进程是活动的。 如果是这样，则内存管理系统向活动进程中具有最低优先级的注册进程发送内存压力事件通知。

    Scheduling heterogeneous execution on heterogeneous hardware
    6.
    发明授权
    Scheduling heterogeneous execution on heterogeneous hardware 有权

    公开(公告)号：US11775811B2

    公开(公告)日：2023-10-03

    申请号：US16242999

    申请日：2019-01-08

    Applicant: Apple Inc.

    Inventor： Benjamin P. Englert ,  Elliott B. Harris ,  Neil G. Crane ,  Brandon J. Corey

    IPC: G06N3/08 ,  G06N20/00

    CPC classification number: G06N3/08 ,  G06N20/00

    Abstract: The subject technology determines input parameters and an output format of algorithms for a particular functionality provided by an electronic device. The subject technology determines an order of the algorithms for performing the particular functionality based on temporal dependencies of the algorithms, and the input parameters and the output format of the algorithms. The subject technology generates a graph based on the order of the algorithms, the graph comprising a set of nodes corresponding to the algorithms, each node indicating a particular processor of the electronic device for executing an algorithm. Further, the subject technology executes the particular functionality based on performing a traversal of the graph, the traversal comprising a topological traversal of the set of nodes and the traversal being based on a score indicating whether selection of a particular node for execution over another node enables a greater number of processors to be utilized at a time.

    Providing updated application data for previewing applications on a display
    7.
    发明授权
    Providing updated application data for previewing applications on a display 有权

    公开(公告)号：US10725761B2

    公开(公告)日：2020-07-28

    申请号：US15179863

    申请日：2016-06-10

    Applicant: Apple Inc.

    Inventor： Neil G. Crane ,  Joshua H. Shaffer ,  Paul W. Salzman ,  Michael J. Lamb ,  Austen J. Green

    IPC: G06F9/44 ,  G06F8/65 ,  H04L29/08 ,  G06F9/451

    Abstract: Embodiments provide methods and systems for updating application data in snapshots of applications for previewing. Some embodiments update application data by determining when current application data may expire and retrieving updated application data. The application data for various applications in a preview mode may be updated based on an allotted budget. Permission can be selectively granted to applications to obtain updated data so as to control the budget. Application data in the snapshots may appear updated to a user as the user browses the dock without requiring the applications to request updated application data when the user enters the dock, regardless of whether each application is active. Further, some embodiments may generate a snapshot using a layer hierarchy and image layer data generated while the application was last running if the time associated with when the application was last active is later than the time associated with an existing snapshot.

    MEMORY MANAGEMENT FOR APPLICATION LOADING
    9.
    发明申请
    MEMORY MANAGEMENT FOR APPLICATION LOADING 审中-公开

    公开(公告)号：US20170357465A1

    公开(公告)日：2017-12-14

    申请号：US15179877

    申请日：2016-06-10

    Applicant: Apple Inc.

    Inventor： Antony J. Dzeryn ,  Michael J. Lamb ,  Neil G. Crane ,  Brent W. Schorsch

    IPC: G06F3/06

    Abstract: Some embodiments can load one or more applications into working memory from persistent storage when permitted by a memory pressure level of a mobile device. Loading the applications into working memory enables the applications to be launched into the foreground quickly when the user indicates the desire to launch. Some embodiments may identify a set of applications that are designated for providing snapshots to be displayed when the mobile device is in a dock mode. Certain embodiments may determine a current memory pressure level. Some embodiments may load an application in the set of applications into working memory from a persistent storage responsive to determining that the memory pressure level is below a threshold. Certain embodiments may continue to load additional applications responsive to determining that the memory pressure level is below the threshold. After determining that the memory pressure level is above the threshold, some embodiments may reclaim memory.

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