[Trilinos-Users] Ifpack to Belos+Tpetra

GUEDON Stéphane stephane.guedon at doceapower.com
Tue Mar 24 02:25:49 MDT 2015


Hello,

I need to use Belos with Tpetra because I want to solve A.X/j/ = B/j/ in 
multithreading on /j/ columns.
The preconditioner is Ifpack. Then, I must use Ifpack2. However, A is 
symmetric, then IC is more relevant than LU
and reordering must be AMD against RCM.
Ifpack2 does not address this configuration of computing. Then, I need 
to use Ifpack and transfer the result to Belos with Tpetra.
So my question is, how to transfer the Ifpack_Preconditioner resulting 
from Ifpack' precond to Ifpack2::Preconditioner<ST,ORD,ORD,NOD> ?
Thank you for any suggestion,

Steph



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