[petsc-users] Runtime for ILU(k) vs. LU

Bhalla, Amneet Pal S amneetb at live.unc.edu
Thu Jan 21 18:52:56 CST 2016

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).


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