Invention Grant
US09134954B2 GPU memory buffer pre-fetch and pre-back signaling to avoid page-fault
有权
GPU内存缓冲区预取和前置反向信令，以避免页面错误
- Patent Title: GPU memory buffer pre-fetch and pre-back signaling to avoid page-fault
- Patent Title (中): GPU内存缓冲区预取和前置反向信令，以避免页面错误
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Application No.: US13608546Application Date: 2012-09-10
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Publication No.: US09134954B2Publication Date: 2015-09-15
- Inventor: Colin Christopher Sharp , David Rigel Garcia Garcia , Eduardus A. Metz
- Applicant: Colin Christopher Sharp , David Rigel Garcia Garcia , Eduardus A. Metz
- Applicant Address: US CA San Diego
- Assignee: QUALCOMM Incorporated
- Current Assignee: QUALCOMM Incorporated
- Current Assignee Address: US CA San Diego
- Agency: Shumaker & Sieffert, P.A.
- Main IPC: G06F3/00
- IPC: G06F3/00 ; G06F5/14 ; G06T1/60
Abstract:
This disclosure proposes techniques for demand paging for an IO device (e.g., a GPU) that utilize pre-fetch and pre-back notification event signaling to reduce latency associated with demand paging. Page faults are limited by performing the demand paging operations prior to the IO device actually requesting unbacked memory.
Public/Granted literature
- US20140075060A1 GPU MEMORY BUFFER PRE-FETCH AND PRE-BACK SIGNALING TO AVOID PAGE-FAULT Public/Granted day:2014-03-13
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