Hong, in petsc-dev, default is interlaced. I ran some tests, I got malloc errors when inserting mat values using subcomm of contiguous type. I think that PCRedundant with PETSC_SUBCOMM_CONTIGUOUS is buggy.<br><br><div class="gmail_quote">
2012/10/15 Hong Zhang <span dir="ltr"><<a href="mailto:hzhang@mcs.anl.gov" target="_blank">hzhang@mcs.anl.gov</a>></span><br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Stefano :<div class="gmail_quote"><div class="im"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><br>is it possible to use PCRedundant with PETSC_SUBCOMM_CONTIGUOUS as subcomm type?<br>
</blockquote></div><div>I think "PETSC_SUBCOMM_CONTIGUOUS" is the default for PCRedundant.</div><span class="HOEnZb"><font color="#888888"><div><br></div><div>Hong</div></font></span></div>
</blockquote></div><br><br clear="all"><br>-- <br>Stefano<br>