petsc-3.14.6 2021-03-30
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KSPPIPEGCRSetUnrollW

Set to PETSC_TRUE to use PIPEGCR with unrolling of the w vector

Synopsis

#include "petscksp.h"  
PetscErrorCode KSPPIPEGCRSetUnrollW(KSP ksp,PetscBool unroll_w)
Logically Collective on ksp

Input Parameters

ksp - the Krylov space context
unroll_w - use unrolling

Options Database

-ksp_pipegcr_unroll_w

See Also

KSPPIPEGCR, KSPPIPEGCRSetTruncationType(), KSPPIPEGCRSetNprealloc(),KSPPIPEGCRGetUnrollW()

Level

intermediate

Location

src/ksp/ksp/impls/gcr/pipegcr/pipegcr.c
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages