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cs.MS2021★ 2 cited
Optimal Checkpointing for Adjoint Multistage Time-Stepping Schemes
Hong Zhang, Emil Constantinescu
We consider checkpointing strategies that minimize the number of recomputations needed when performing discrete adjoint computations using multistage time-stepping schemes, which r…
cs.MS2019★ 1 cited
PETSc TSAdjoint: a discrete adjoint ODE solver for first-order and second-order sensitivity analysis
Hong Zhang, Emil M. Constantinescu, Barry F. Smith
We present a new software system PETSc TSAdjoint for first-order and second-order adjoint sensitivity analysis of time-dependent nonlinear differential equations. The derivative ca…