If ILU(0, 1, or 2) doesn't work well then ILU( n > 2) generally doesn't work well.
> On Jan 21, 2016, at 6:52 PM, Bhalla, Amneet Pal S <[email protected]> > wrote: > > > Hi Folks, > > Is there a general rule for runtime of ILU(k) vs. LU for some higher level k? > In other words, after what value of 'k' one > would be better off using LU in the preconditioner than ILU(k). > > Thanks, > --Amneet
