Evaluating Soft-Core RISC-V processor in SRAM-based FPGA under radiation effects

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25
Tipo de produção
Artigo
Data
2020
Autores
OLIVEIRA, ÁDRIA B. DE
TAMBARA, LUCAS A.
BENEVENUTI, FABIO
BENITES, LUIS A. C.
ADDED, NEMITALA
AGUIAR, VITOR A. P.
MEDINA, NILBERTO H.
GUAZZELLI, Marcilei Aparecida
KASTENSMIDT, FERNANDA L.
Orientador
Periódico
IEEE TRANSACTIONS ON NUCLEAR SCIENCE
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Citação
OLIVEIRA, ÁDRIA B. DE; TAMBARA, LUCAS A.; BENEVENUTI, FABIO; BENITES, LUIS A. C.; ADDED, NEMITALA; AGUIAR, VITOR A. P.; MEDINA, NILBERTO H.; GUAZZELLI, M. A.; KASTENSMIDT, FERNANDA L. Evaluating Soft-Core RISC-V processor in SRAM-based FPGA under radiation effects. IEEE TRANSACTIONS ON NUCLEAR SCIENCE, n. 1, p. 1-1, 2020.
Texto completo (DOI)
10.1109/TNS.2020.2995729
Palavras-chave
Off-The-Shelf (COTS),SRAM-based field-programmable gate array (FPGA,fault injection (FI),fault tolerance,heavy ion,RISC-V,rocket
URI
https://repositorio.fei.edu.br/handle/FEI/3283
Resumo
Abstract— This article evaluates the RISC-V Rocket processor embedded in a Commercial Off-The-Shelf (COTS) SRAM-based field-programmable gate array (FPGA) under heavy-ionsinduced faults and emulation fault injection. We also analyze the efficiency of using mitigation techniques based on hardware redundancy and scrubbing. Results demonstrated an improvement of 3× in the cross section when scrubbing and coarse grain triple modular redundancy are used. The Rocket processor presented analogous sensitivity to radiation effects as the state-ofthe-art soft processors. Due to the complexity of the system-onchip, not only the Rocket core but also its peripherals should be protected with proper solutions. Such solutions should address the specific vulnerabilities of each component to improve the overall system reliability while maintaining the trade-off with performance

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