EPSLOBPCGSetLocking#

Choose between locking and non-locking variants of the LOBPCG method.

Synopsis#

#include "slepceps.h" 
PetscErrorCode EPSLOBPCGSetLocking(EPS eps,PetscBool lock)

Logically Collective

Input Parameters#

  • eps - the linear eigensolver context

  • lock - true if the locking variant must be selected

Options Database Key#

  • -eps_lobpcg_locking - Sets the locking flag

Notes#

This flag refers to soft locking (converged vectors within the current block iterate), since hard locking is always used (when nev is larger than the block size).

See Also#

EPS: Eigenvalue Problem Solver, EPSLOBPCGGetLocking()

Level#

advanced

Location#

src/eps/impls/cg/lobpcg/lobpcg.c

Implementations#

EPSLOBPCGSetLocking_LOBPCG() in src/eps/impls/cg/lobpcg/lobpcg.c

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