On Sat, Mar 23, 2013 at 3:43 PM, Carsten Urbach <notifications@github.com>wrote:

> In sample-input/sample-incr-eigcg-invert.input:
>
> > +
> > +
> > +BeginOperator TMWILSON
> > +
> > +  2kappaMu = 0.0024135
> > +  kappa = 0.160900
> > +  UseEvenOdd = yes
> > +  Solver = INCREIGCG
> > +  SolverPrecision = 1.e-8
> > +  MaxSolverIterations = 2000
> > +  EigCGnrhs = 12
> > +  EigCGnev  = 10
> > +  EigCGvmax = 40
> > +  EigCGldh  = 100
> > +  EigCGplvl = 2
> > +  EigCGrestolsq = 1e-4
>
> Whats the difference to SolverPrecision?
>

This tolerance is for restarting deflated CG it is different from
SolverPrecision. It has to be higher and usually sqrt of it. Actually to be
realistic, I should set SolverPrecision to 1e-16 and EigCGrestolsq to 1e-8.


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