On Wed, 30 May 2012, Hui Zhang wrote: > I suspect there are some randomness from external matsolverpackage. I use a > parallel matrix > as preconditioner, and the preconditioner is exactly LU factored, then I saw > the KSP (gmres) > residuals are different from different runs. > > Is it true of randomness from matsolverpackage? Thanks a lot!
Which package? I've seen mumps showing some differences between runs - but not others.. Satish
