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This paper evaluates the efficiency and performance impact of a dual-core lockstep as a method for fault-tolerance running on top of FreeRTOS applications. The method was implemented on a dual-core ARM Cortez-A9 processor embedded into the Zynq-7000 APSoC. Fault injection experiments show that the method can mitigate up to 63% on the FreeRTOS applications. This result is very near to the mitigation...
This work presents an analysis of the occurrence of software errors at ARM Cortex-A9 dual-core processor. Fault injection results compare the error rate and their causes. Results show that different parallelization algorithms can have different error rates, and that there is a tendency on parallel applications to have more silent data corruption errors than their sequential counterparts.
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