PCBJKOKKOS

Defines a preconditioner that applies a Krylov solver and preconditioner to the blocks in a MATSEQAIJ matrix on the GPU using Kokkos

Options Database Key

• -pc_bjkokkos_ - options prefix for its KSP options

Note

For use with -ksp_type preonly to bypass any computation on the CPU

Developer Notes

The documentation is incomplete. Is this a block Jacobi preconditioner?

Why does it have its own KSP? Where is the KSP run if used with -ksp_type preonly?

See Also

KSP: Linear System Solvers, PCCreate(), PCSetType(), PCType, PC, PCBJACOBI, PCSHELL, PCCOMPOSITE, PCSetUseAmat(), PCBJKOKKOSGetKSP()

Level

intermediate

Location

src/ksp/pc/impls/bjacobi/bjkokkos/bjkokkos.kokkos.cxx

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Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages