FT-GCR: A fault-tolerant generalized conjugate residual elliptic solver

Journal of Computational Physics（2022）

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摘要

•Novel fault-tolerant elliptic solver with minimal changes over standard version.•Resilience achieved with check on residual decrease and additional restart within the Krylov subspace.•Best returns on fault tolerance and detection rates results for large data corruption events in tests with fault injection.

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关键词

Fault-tolerant computing,Krylov solvers,Elliptic problems,High-performance computing

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