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cs.MS2021★ 3 cited
Understanding performance variability in standard and pipelined parallel Krylov solvers
Hannah Morgan, Patrick Sanan, Matthew G. Knepley +1
In this work, we collect data from runs of Krylov subspace methods and pipelined Krylov algorithms in an effort to understand and model the impact of machine noise and other source…
cs.MS2020
Toward Performance-Portable PETSc for GPU-based Exascale Systems
Richard Tran Mills, Mark F. Adams, Satish Balay +11
The Portable Extensible Toolkit for Scientific computation (PETSc) library delivers scalable solvers for nonlinear time-dependent differential and algebraic equations and for numer…