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UID:submissions.supercomputing.org_SC23_sess184_pap384@linklings.com
SUMMARY:Demystifying and Mitigating Cross-Layer Deficiencies of Soft Error
  Protection in Instruction Duplication
DESCRIPTION:Zhengyang He and Yafan Huang (University of Iowa); Hui Xu (Fud
 an University, Shanghai); Dingwen Tao (Indiana University); and Guanpeng L
 i (University of Iowa)\n\nSoft errors are prevalent in modern High-Perform
 ance Computing (HPC) systems, resulting in silent data corruptions (SDCs),
  compromising system reliability. Instruction duplication is a widely used
  software-based protection technique against SDCs. Existing instruction du
 plication techniques are mostly implemented at LLVM level and may suffer f
 rom low SDC coverage at assembly level. In this paper, we evaluate instruc
 tion duplication at both LLVM and assembly levels. Our study shows that ex
 isting instruction duplication techniques have protection deficiency at as
 sembly level and are usually over-optimistic in the protection. We investi
 gate the root-causes of the protection deficiency and propose a mitigation
  technique, Flowery, to solve the problem. Our evaluation shows that Flowe
 ry can effectively protect programs from SDCs evaluated at assembly level.
 \n\nTag: Accelerators, Artificial Intelligence/Machine Learning, Codesign,
  Fault Handling and Tolerance, Performance Measurement, Modeling, and Tool
 s, Post-Moore Computing\n\nRegistration Category: Tech Program Reg Pass\n\
 nReproducibility Badges: Artifact Available, Artifact Functional\n\nSessio
 n Chair: Lishan Yang (George Mason University (GMU))\n\n
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