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In `PetscSupport.C:setSolverOptions(SolverParams & solver_params)`, when solver type is linear, SNES type ksponly is used, but no `-snes_mf` or `-snes_mf_operator` is set. MOOSE's way of setting up a …
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Have you all considered adding optimization methods that make use of Hessian-vector products, but that don't explicitly form Hessians? I've been thinking about writing a version of `newton_trust_regio…
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Dear OPM community, I initially intended to post this on the mailing list - but my subscription hasn't been activated yet. Let me know if you'd rather I post this there when I get subscribed.
I am …
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LIS doesn't perform nearly as well as PETSc/HYPRE do for the Inexact Newton-Krylov solvers we've implemented. We did apply a patch to LIS for convergence criteria, so it's possible that we have taken …
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Greetings,
I believe there is a memory leak in Albany. I see this with medium size jobs (< 200,000 nodes) on machines with 256 Gb of memory. The job just dies as memory requirements go through the …
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I have a couple of failures on `master` when building with MKL:
```
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ERROR: test_nonlin.TestNonlin.test_problem_nonlin(, )
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Right now, we report KryIter in our slightly more verbose output. This is the number of Krylov iterations we used in the linear system solve related to something like Newton-CG. Now, when we fail a …
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Let us try implementing a Jacobian-Free Newton-Krylov solver.Migrated from http://code.google.com/p/sfepy/issues/detail?id=76earlier comments
ondrej.certik said, at 2009-01-21T21:14:46.000Z:
This lo…
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When a trust-region method rejects a step, we don't move, reduce the size of the trust-region, and then compute the Krylov solve again. Unless the trust-region starts cutting into the Cauchy point, i…
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A new input parser/dictionary thing was added ff39749 (see file input.jl). I think we should use this for getting/setting _all_ runtime options, for consistency and clarity. The `opts` dictionary sh…