[Trilinos-Users] Starting out suggestions
lbloy at seas.upenn.edu
Thu Dec 30 11:21:59 MST 2010
Sorry about that my matrix A is roughly 2,000,000 square but with only
30,000,000 non zero elements.
On 12/30/2010 01:10 PM, Luke Bloy wrote:
> I'm new to trilinos and am looking for some suggestions on where to start.
> My immediate application is to repeatedly ( 10,000 - 500,000 times)
> solve a sparse linear system defined by a non-symmetric matrix A. The
> size of A is roughly 2,000,000 square but with only ~ 30,000,000
> unknowns. The RHS of these systems will also generally be fairly sparse.
> In my head the procedure would be.
> 1) Convert ublas csr matrix to Eperta format.
> 2) compute an ILU or other preconditioner (ifpack)
> 3) then solve each RHS
> I've just begun to go through the tutorials and documentation. At first
> if seemed I should be looking at Belos and ifpack or perhaps Amesos. but
> then I came across Stratimikos and thought that looked promissing.
> So i guess my question is where should i start?
> Thanks in advance.
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