Lockstep Dual-Core ARM A9: Implementation and Resilience Analysis Under Heavy Ion-Induced Soft Errors

Ádria Barros de Oliveira,Gennaro Severino Rodrigues,Fernanda Lima Kastensmidt,N. Added,Eduardo L. A. Macchione,Vitor A. P. Aguiar,N. H. Medina,Marcilei A. G. Silveira

IEEE Transactions on Nuclear Science（2018）

引用 32|浏览37

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摘要

This paper presents a dual-core lockstep (DCLS) implementation to protect hard-core processors against radiation-induced soft errors. The proposed DCLS is applied to an Advanced RISC Machine Cortex-A9 embedded processor. Different software optimizations were evaluated to assess their impact on performance and fault tolerance. Heavy ions' experiments and fault injection emulation were performed to ...

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关键词

Program processors,Registers,Context,Circuit faults,Field programmable gate arrays,Optimization

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