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klaij/fieldsplit-simple-ex70

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klaij/fieldsplit-simple-ex70
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250+ commits behind master.
Jed Brown
SNES ex70.c: free array returned by PCFieldSplitGetSubKSP()
Jed Brown
SNES ex70.c: formatting: remove "/*" within comment
Christiaan Klaij
SNES ex70.c: compare iteration counts to custom SIMPLE From [petsc-maint #155997]: When I compare my version of SIMPLE with the out-of-the-box version, I see that the latter requires too many iterations for the fieldsplit_1 solve because it only uses the jacobi preconditioner, see below. In order to reproduce the results from Elman e.a. Taxonomy paper, we will need to replace "-fieldsplit_1_pc_type jacobi" by something more powerful such as "-fieldsp…