<html><body bgcolor="#FFFFFF"><div>Thanks, Matt! Let me re-iterate on the question... are there other available preconditioners already ported to GPU, which are not based on AMG (which is typically not suitable for my convection-dominated CFD problems) and apart from BICGSTABCUSP? </div><div><br></div><div>Andrea<br><br>On May 5, 2013, at 9:53 PM, Matthew Knepley <<a href="mailto:knepley@gmail.com">knepley@gmail.com</a>> wrote:<br><br></div><div></div><blockquote type="cite"><div><div dir="ltr">On Sun, May 5, 2013 at 2:48 PM, Andrea Lani <span dir="ltr"><<a href="mailto:andrea.lani@gmail.com" target="_blank"><a href="mailto:andrea.lani@gmail.com">andrea.lani@gmail.com</a></a>></span> wrote:<br><div class="gmail_extra"><div class="gmail_quote">
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Dear Developers,<br>
<br>
Could you please tell me the list of preconditioners for non-symmetric systems fully ported to multi-GPU and available in the current development version?<br></blockquote><div><br></div><div style="">In my opinion, there are no truly multi-GPU preconditioners anywhere. We can imagine them, like AMG with Chebychev smoothers, but</div>
<div style="">I have not really seen any of them reliably work. The CUSP SA-AMG is the closest one in this category, and Steve Dalton is working on</div><div style="">it this summer at ANL.</div><div style=""><br></div><div style="">
Matt</div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Thanks in advance<br>
<span class="HOEnZb"><font color="#888888"><br>
Andrea</font></span></blockquote></div><br><br clear="all"><div><br></div>-- <br>What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead.<br>
-- Norbert Wiener
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