<div class="gmail_quote">On Wed, Jan 18, 2012 at 14:03, Ravi Kannan <span dir="ltr"><<a href="mailto:rxk@cfdrc.com">rxk@cfdrc.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<p class="MsoNormal"><span style="font-size:14.0pt;font-family:"Calibri","sans-serif";color:#1f497d">We did have Hypre Boomer amg. This did not scale, but gives correct solution. So we wanted an alternative; hence we approached you for gamg.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:14.0pt;font-family:"Calibri","sans-serif";color:#1f497d">However for certain cases, gamg crashes. Even for the working cases, it takes about 15-20 times more sweeps than the boomer-hypre. Hence it is cost-prohibitive.</span></p>
</blockquote></div><br><div>It would help to have a representative test matrix for us to test aggregation and smoothing strategies.</div>