MatLMVMDenseSetType#

Sets the memory storage type for dense MATLMVM

Synopsis#

#include "petscksp.h" 
PetscErrorCode MatLMVMDenseSetType(Mat B, MatLMVMDenseType type)

Input Parameters#

B - the MATLMVM matrix
type - scale type, see MatLMVMDenseSetType

Options Database Keys#

-mat_lqn_type <reorder,inplace> - set the strategy
-mat_lbfgs_type <reorder,inplace> - set the strategy
-mat_ldfp_type <reorder,inplace> - set the strategy

MatLMVMDenseTypes:

MAT_LMVM_DENSE_REORDER - reorders memory to minimize kernel launch
MAT_LMVM_DENSE_INPLACE - launches kernel inplace to minimize memory movement

See Also#

KSP: Linear System Solvers, MATLMVMDQN, MATLMVMDBFGS, MATLMVMDDFP, MatLMVMDenseType

Level#

intermediate

Location#

src/ksp/ksp/utils/lmvm/dense/denseqn.c

Index of all KSP routines
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Index of all manual pages