[Trilinos-Users] How to test scaling from a trilinos build

John Cary cary at colorado.edu
Tue Mar 23 17:08:10 MST 2021

We are still using the old stack: ML, Epetra, ...

When we run a simple Poisson solve on our cluster (32 cores/node), we
see parallel efficiency drop to 4% on one node with 32 cores.  So we
naturally believe we are doing something wrong.

Does trilinos come with a simple Poisson-solve executable that we could
use to test scaling (to get around the uncertainties of our use of 

Thx.......John Cary

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