Safety monitor for incorrect kernel computation

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United States of America Patent

PATENT NO 12045675
APP PUB NO 20200409773A1
SERIAL NO

16457237

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Abstract

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Systems, apparatuses, and methods for implementing a safety monitor framework for a safety-critical graphics processing unit (GPU) compute application are disclosed. A system includes a safety-critical GPU compute application, a safety monitor, and a GPU. The safety monitor receives a compute grid, test vectors, and a compute kernel from the safety-critical GPU compute application. The safety monitor generates a modified compute grid by adding extra tiles to the original compute grid, with the extra tiles generated based on the test vectors. The safety monitor provides the modified compute grid and compute kernel to the GPU for processing. The safety monitor determines the likelihood of erroneous processing of the original compute grid by comparing the actual results for the extra tiles with known good results. The safety monitor complements the overall fault coverage of the GPU hardware and covers faults only observable at the application programming interface (API) level.

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Patent Owner(s)

Patent OwnerAddress
ATI TECHNOLOGIES ULCMARKHAM

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chan, Benjamin Koon Pan Markham, CA 20 191
Ip, Clarence Unionville, CA 9 49
Kwong, Tung Chuen Richmond Hill, CA 26 194
Lee, Kim-Koon Edward Richmond Hill, CA 11 8
Manjunatha, Meghana North York, CA 3 3

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