On 4/8/06, <b class="gmail_sendername"><a href="mailto:buket@be.itu.edu.tr">buket@be.itu.edu.tr</a></b> <<a href="mailto:buket@be.itu.edu.tr">buket@be.itu.edu.tr</a>> wrote:<div><span class="gmail_quote"></span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
Hi,<br><br>I have several questions;<br><br>Which ordering method does petsc use by default before matrix factorization?</blockquote><div><br>
None, but external packages may use a default ordering. <br>
</div><br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">How can I change the restarted value of Gmres(m)?</blockquote><div><br>
-ksp_gmres_restart <br>
</div><br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">Is there any parallel overhead when I run petsc program on single<br>processor (with mprun -np 1)?
</blockquote><div><br>
Not normally, since all classes are Seq by default.<br>
<br>
Matt <br>
</div><br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">Thank you,<br>Best Regards,<br>Buket Benek<br><br><br><br><br></blockquote></div>
<br><br clear="all"><br>-- <br>"Failure has a thousand explanations. Success doesn't need one" -- Sir Alec Guiness