<div class="gmail_quote">On Mon, May 2, 2011 at 18:03, Travis Austin <span dir="ltr"><<a href="mailto:austin@txcorp.com">austin@txcorp.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
<div style="word-wrap:break-word"><div><br></div>I'm looking for an option to ML that gives information about the hierarchy of matrices constructed by ML<div>like that which is available with BoomerAMG using the -pc_hypre_print_boomeramg_statistics. </div>
<div><br></div><div>In HYPRE one can use this to get operator complexity etc that tells you the cost of the AMG algorithm. </div></div></blockquote><div><br></div><div>This estimate is mostly because Hypre gives you almost no choices about smoothers. You can get some information by increasing -pc_ml_PrintLevel. The hierarchy itself is managed by PETSc, so you can control all aspects of smoothers on levels, etc., -ksp_view will show you the whole hierarchy.</div>
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