Lines Matching refs:grids

1116 …>   This option and the previous option work to determine how aggressively the grids are coarsened.
1131 …rs` \<rn,rn-1,...,r1:int> Set a schedule for MPI rank reduction on coarse grids. `See PCGAMGSetRan…
1209 number of active processes on coarse grids to reduce communication costs
1216 reducing the active number of processes on other coarse grids.
1223 repartition the coarse grids with `-pc_gamg_repartition <true>`,
1249 are additional parameters for changing the weights on coarse grids.
1290 grids or highly anisotropic problems, large jumps in material
1314 coarse grids and generally decreasing the solver convergence rate.
1323 larger coarse grids and is more expensive, but generally improves
1325 If the coarse grids are expensive to compute, and use a lot of memory,
1333 result in large numbers of non-zeros per row on coarse grids (this is