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Hardware based redundant multi-threading inside a GPU for improved reliability

United States Patent

May 5, 2015
View the Complete Patent at the US Patent & Trademark Office
Lawrence Livermore National Laboratory - Visit the Industrial Partnerships Office Website
A system and method for verifying computation output using computer hardware are provided. Instances of computation are generated and processed on hardware-based processors. As instances of computation are processed, each instance of computation receives a load accessible to other instances of computation. Instances of output are generated by processing the instances of computation. The instances of output are verified against each other in a hardware based processor to ensure accuracy of the output.
Sridharan; Vilas (Brookline, MA), Gurumurthi; Sudhanva (Watertown, MA)
Advanced Micro Devices, Inc. (Sunnyvale, CA)
13/ 724,968
December 21, 2012
STATEMENT REGARDING FEDERALLY-SPONSORED RESEARCH AND DEVELOPMENT This invention was made with U.S. Government support under Prime Contract Number DE-AC52-07NA27344, Subcontract Number B600716 awarded by the Department of Energy (DOE). The Government has certain rights in this invention.