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US Patent 8381203 Insertion of multithreaded execution synchronization points in a software program

Patent 8381203 was granted and assigned to NVIDIA on February, 2013 by the United States Patent and Trademark Office.

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Patent
Patent
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Patent attributes

Current Assignee
NVIDIA
NVIDIA
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
83812030
Patent Inventor Names
Boris Beylin0
Robert Steven Glanville0
Date of Patent
February 19, 2013
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Patent Application Number
115565810
Date Filed
November 3, 2006
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Patent Citations Received
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US Patent 11803380 High performance synchronization mechanisms for coordinating operations on a computer system
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US Patent 11907717 Techniques for efficiently transferring data to a processor
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Patent Primary Examiner
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Chat Do
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Patent abstract

A compiler is configured to determine a set of points in a flow graph for a software program where multithreaded execution synchronization points are inserted to synchronize divergent threads for SIMD processing. MIMD execution of divergent threads is allowed and execution of the divergent threads proceeds until a synchronization point is reached. When all of the threads reach the synchronization point, synchronous execution resumes. The synchronization points are needed to ensure proper execution of the certain instructions that require synchronous execution as defined in some graphics APIs and when synchronous execution improves performance based on a SIMD architecture.

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