El 20/06/2014, a las 18:15, jifeng zhao escribió: > Hi Jose, > > Thank you very much. The instruction you gave is of particular useful. I do > think I can use deflation feature to reduce my subspace a lot. I will let you > know if I made further progress. > > One more thing to check with you. I am right now using bJacobi as > preconditioner. I know it is among one of the simplest preconditioners, but > it turns out it gives faster convergence than SOR (maybe ASM). Is Hypre or > pARMS designed to be suited for FEM model, and will usually be faster than > bjacobi? > > Since Hypre or pARMS is external packages not readily available in SLEPc, I > need ask my server administrator to install it. So it is a not-so-easy job > for me. > > Thank you so much, > Jifeng Zhao
I don't know if they will be faster than block Jacobi. Jose
