Multi-core engine for detecting bit errors

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United States of America Patent

PATENT NO 8898536
SERIAL NO

11741016

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Abstract

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The following description includes a method and a system of detecting bit errors in a multi-core processor. When a subatomic particle, or other matter, impacts the processing cores of the processor, bit flips may occur. To detect these bit flips and thereby prevent erroneous results, operations performed by one core are inversely performed by another core. By comparing the results of the original operation and the inverse operation, embodiments of the invention can detect errors in binary data. If an error is detected, then the operations are performed again. Alternatively, multiple cores do not perform inverse operations, but instead perform identical operations in parallel. The results from the parallel operations are compared and if the results are not identical, then the operations are repeated.

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Patent Owner(s)

  • NETAPP, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kogelnik, Christoph Redwood City, US 3 410

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