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    THROTTLING HULL SHADERS BASED ON TESSELLATION FACTORS IN A GRAPHICS PIPELINE
    291.
    发明公开
    THROTTLING HULL SHADERS BASED ON TESSELLATION FACTORS IN A GRAPHICS PIPELINE 审中-公开

    公开(公告)号：US20230169728A1

    公开(公告)日：2023-06-01

    申请号：US17974199

    申请日：2022-10-26

    Applicant: ADVANCED MICRO DEVICES, INC.

    Inventor： Nishank PATHAK

    IPC: G06T17/20 ,  G06T15/00

    CPC classification number: G06T17/20 ,  G06T15/005

    Abstract: A processing system includes hull shader circuitry that launches thread groups including one or more primitives. The hull shader circuitry also generates tessellation factors that indicate subdivisions of the primitives. The processing system also includes throttling circuitry that estimates a primitive launch time interval for the domain shader based on the tessellation factors and selectively throttles launching of the thread groups from the hull shader circuitry based on the primitive launch time interval of the domain shader and a hull shader latency. In some cases, the throttling circuitry includes a first counter that is incremented in response to launching a thread group from the buffer and a second counter that modifies the first counter based on a measured latency of the domain shader.

    Memory calibration system and method
    292.
    发明授权
    Memory calibration system and method 有权

    公开(公告)号：US11664062B2

    公开(公告)日：2023-05-30

    申请号：US16938855

    申请日：2020-07-24

    Applicant: Advanced Micro Devices, Inc.

    Inventor： Jing Wang ,  Kedarnath Balakrishnan ,  Kevin M. Brandl ,  James R. Magro

    IPC: G06F9/00 ,  G11C11/406 ,  G06F9/4401 ,  G06F1/3203

    CPC classification number: G11C11/40611 ,  G06F1/3203 ,  G06F9/442 ,  G11C11/40615 ,  G06F9/4401

    Abstract: A method for performing stutter of dynamic random access memory (DRAM) where a system on a chip (SOC) initiates bursts of requests to the DRAM to fill buffers to allow the DRAM to self-refresh is disclosed. The method includes issuing, by a system management unit (SMU), a ForceZQCal command to the memory controller to initiate the stutter procedure in response to receiving a timeout request, such as an SMU ZQCal timeout request, periodically issuing a power platform threshold (PPT) request, by the SMU, to the memory controller, and sending a ForceZQCal command prior to a PPT request to ensure re-training occurs after ZQ Calibration. The ForceZQCal command issued prior to PPT request may reduce the latency of the stutter. The method may further include issuing a ForceZQCal command prior to each periodic re-training.

    Sense amplifier with increased headroom
    296.
    发明授权
    Sense amplifier with increased headroom 有权

    公开(公告)号：US11657856B2

    公开(公告)日：2023-05-23

    申请号：US17113346

    申请日：2020-12-07

    Applicant: Advanced Micro Devices, Inc.

    Inventor： Milam Paraschou ,  Jeffrey Cooper

    IPC: G11C7/00 ,  G11C7/06 ,  G11C15/04

    CPC classification number: G11C7/065 ,  G11C15/04 ,  G11C2207/063

    Abstract: Systems, apparatuses, and methods for implementing a sampling circuit with increased headroom are disclosed. A sampling circuit includes at least a pair of input signal transistors connected via their drains to a cross-coupled pair of state nodes. The cross-coupled pair of state nodes are coupled to a tail transistor device via the sources of N-type transistors. When clock goes low, the circuit precharges the cross-coupled pair of state nodes while simultaneously attempting to amplify the difference between the pair of input signals. The amplification is performed by a pair of transistors in series between a source of each input signal transistor and ground. Each gate of the pair of transistors is connected to an inverted clock signal. When clock goes high, the circuit stops precharging and a voltage difference between the pair of input signals is regenerated to create a resulting differential voltage on the pair of state nodes.

    User interface system for display scaling events
    298.
    发明授权
    User interface system for display scaling events 有权

    公开(公告)号：US11656732B2

    公开(公告)日：2023-05-23

    申请号：US17465740

    申请日：2021-09-02

    Applicant: Advanced Micro Devices, Inc.

    Inventor： Peter James Lohrmann

    IPC: G06F3/048 ,  G06T3/40

    CPC classification number: G06F3/048 ,  G06T3/40 ,  G06F2203/04806

    Abstract: Systems, apparatuses, and methods for implementing enhanced scaling techniques for display objects are disclosed. When graphical content is created by an application, display objects register with a scaling manager to be notified of display scaling events. These display scaling events can be caused by changing displays, changing resolution or other parameters on a display, changing a text size, resizing one or more graphical elements, or otherwise. When a display scaling event is detected, display objects are notified of the event by the scaling manager. If a given display object makes a decision to change the amount of space it occupies based on the event, the given display object notifies its parent object of the desired change. The parent can then decide whether to allow the change and/or to make adjustments to other display objects to accommodate the change sought by the given display object.

    JOB SCHEDULING USING REINFORCEMENT LEARNING
    300.
    发明公开
    JOB SCHEDULING USING REINFORCEMENT LEARNING 审中-公开

    公开(公告)号：US20230154100A1

    公开(公告)日：2023-05-18

    申请号：US17529916

    申请日：2021-11-18

    Applicant: ADVANCED MICRO DEVICES, INC. ,  ATI TECHNOLOGIES ULC

    Inventor： Thomas Daniel Perry ,  Steven Tovey ,  Mehdi Saeedi ,  Andrej Zdravkovic ,  Zhuo Chen

    IPC: G06T15/00 ,  G06F9/48

    CPC classification number: G06T15/005 ,  G06F9/4881 ,  G06N20/00

    Abstract: Systems, methods, and techniques utilize reinforcement learning to efficiently schedule a sequence of jobs for execution by one or more processing threads. A first sequence of execution jobs associated with rendering a target frame of a sequence of frames is received. One or more reward metrics related to rendering the target frame are selected. A modified sequence of execution jobs for rendering the target frame is generated, such as by reordering the first sequence of execution jobs. The modified sequence is evaluated with respect to the selected reward metric(s); and rendering the target frame is initiated based at least in part on the evaluating of the modified sequence with respect to the one or more selected reward metric(s).

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