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公开(公告)号：US20220207813A1
公开(公告)日：2022-06-30
申请号：US17134744
申请日：2020-12-28
Inventor： Sreekanth GODEY , Ashkan HOSSEINZADEH NAMIN , Seunghun JIN , Teik-Chung TAN
IPC: G06T15/00 , G06F1/3212 , G06F1/3228 , G06F1/3215 , G06F9/30 , G06F9/50
Abstract: The graphics processing unit (GPU) of a processing system transitions to a low-power state between frame rendering operations according to an inter-frame power off process, where GPU state information is stored on retention hardware. The retention hardware can include retention random access memory (RAM) or retention flip-flops. The retention hardware is operable in an active mode and a retention mode, where read/write operations are enabled at the retention hardware in the active mode and disabled in the retention mode, but data stored on the retention hardware is still retained in the retention mode. The retention hardware is placed in the retention state between frame rendering operations. The GPU transitions from its low-power state to its active state upon receiving an indication that a new frame is ready to be rendered and is restored using the GPU state information stored at the retention hardware.
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公开(公告)号：US20210157639A1
公开(公告)日：2021-05-27
申请号：US16692856
申请日：2019-11-22
Applicant: ADVANCED MICRO DEVICES, INC. , ATI TECHNOLOGIES ULC
Inventor： Mangesh P. NIJASURE , Michael MANTOR , Ashkan HOSSEINZADEH NAMIN , Louis REGNIERE
Abstract: A graphics processing unit (GPU) adjusts a frequency of clock based on identifying a program thread executing at the processing unit, wherein the program thread is detected based on a workload to be executed. By adjusting the clock frequency based on the identified program thread, the processing unit adapts to different processing demands of different program threads. Further, by identifying the program thread based on workload, the processing unit adapts the clock frequency based on processing demands, thereby conserving processing resources.
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