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US Patent 11893653 Unified memory systems and methods

Patent 11893653 was granted and assigned to NVIDIA on February, 2024 by the United States Patent and Trademark Office.

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Patent attributes

Patent Applicant

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Current Assignee

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Patent Jurisdiction

United States Patent and Trademark Office

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Patent Number

Patent Inventor Names

Yogesh Kini1

Amit Rao1

Ashish Srivastava1

Date of Patent

February 6, 2024

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Patent Application Number

164081731

Date Filed

May 9, 2019

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Patent Citations

US Patent 7549150 Method and system for detecting potential races in multithreaded programs

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US Patent 7065630 Dynamically creating or removing a physical-to-virtual address mapping in a memory of a peripheral device

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US Patent 7366956 Detecting data races in multithreaded computer programs

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US Patent 7516446 Method and apparatus for efficient and precise datarace detection for multithreaded object-oriented programs

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US Patent 8448156 Systems and methods for caching compute kernels for an application running on a parallel-processing computer system

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US Patent 8487946 Methods and systems for processing objects in memory

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US Patent 8719839 Two way communication support for heterogenous processors of a computer platform

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US Patent 8860741 Graphics processor with memory management unit and cache coherent link

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Patent Primary Examiner

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CPC Code

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Patent abstract

The present invention facilitates efficient and effective utilization of unified virtual addresses across multiple components. In one embodiment, the presented new approach or solution uses Operating System (OS) allocation on the central processing unit (CPU) combined with graphics processing unit (GPU) driver mappings to provide a unified virtual address (VA) across both GPU and CPU. The new approach helps ensure that a GPU VA pointer does not collide with a CPU pointer provided by OS CPU allocation (e.g., like one returned by “malloc” C runtime API, etc.).

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