1 2 #include <../src/ksp/ksp/impls/gmres/gmresimpl.h> /*I "petscksp.h" I*/ 3 4 /*@ 5 KSPGMRESSetPreAllocateVectors - Causes GMRES and FGMRES to preallocate all its 6 needed work vectors at initial setup rather than the default, which 7 is to allocate them in chunks when needed. 8 9 Logically Collective on KSP 10 11 Input Parameter: 12 . ksp - iterative context obtained from KSPCreate 13 14 Options Database Key: 15 . -ksp_gmres_preallocate - Activates KSPGmresSetPreAllocateVectors() 16 17 Level: intermediate 18 19 .keywords: GMRES, preallocate, vectors 20 21 .seealso: KSPGMRESSetRestart(), KSPGMRESSetOrthogonalization(), KSPGMRESGetOrthogonalization() 22 @*/ 23 PetscErrorCode KSPGMRESSetPreAllocateVectors(KSP ksp) 24 { 25 PetscErrorCode ierr; 26 27 PetscFunctionBegin; 28 ierr = PetscTryMethod(ksp,"KSPGMRESSetPreAllocateVectors_C",(KSP),(ksp));CHKERRQ(ierr); 29 PetscFunctionReturn(0); 30 } 31 32