<div dir="ltr"><div>I would just read the source (found here)<br><a href="http://www.mcs.anl.gov/petsc/petsc-current/src/ksp/pc/impls/pbjacobi/pbjacobi.c.html#PCPBJACOBI">http://www.mcs.anl.gov/petsc/petsc-current/src/ksp/pc/impls/pbjacobi/pbjacobi.c.html#PCPBJACOBI</a><br><br></div>The implementation supports blocks sizes from 1 through to 7.<br><br><br></div><div class="gmail_extra"><br><div class="gmail_quote">On 8 December 2014 at 15:42, paul zhang <span dir="ltr"><<a href="mailto:paulhuaizhang@gmail.com" target="_blank">paulhuaizhang@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small">Is there some document or reference I can access to see how it works? </div><div class="gmail_default" style="font-size:small"><br>Thanks,<br>Paul</div><div><div class="h5"><div class="gmail_extra"><div><div><br><div style="color:rgb(255,102,102)"><font size="1"><span style="text-indent:0px;letter-spacing:normal;font-variant:normal;font-style:normal;font-weight:normal;line-height:normal;border-collapse:separate;text-transform:none;white-space:normal;font-family:Helvetica;word-spacing:0px"><span style="text-indent:0px;letter-spacing:normal;font-variant:normal;font-style:normal;font-weight:normal;line-height:normal;border-collapse:separate;text-transform:none;white-space:normal;font-family:Helvetica;word-spacing:0px"><span style="text-indent:0px;letter-spacing:normal;font-variant:normal;font-style:normal;font-weight:normal;line-height:normal;border-collapse:separate;text-transform:none;white-space:normal;font-family:Helvetica;word-spacing:0px"><span style="text-indent:0px;letter-spacing:normal;font-variant:normal;font-style:normal;font-weight:normal;line-height:normal;border-collapse:separate;text-transform:none;white-space:normal;font-family:Helvetica;word-spacing:0px"><span style="text-indent:0px;letter-spacing:normal;font-variant:normal;font-style:normal;font-weight:normal;line-height:normal;border-collapse:separate;text-transform:none;white-space:normal;font-family:Helvetica;word-spacing:0px"><span style="font-family:Tahoma"><span style="font-family:Verdana"><font face="Helvetica"><span></span></font></span></span></span></span></span></span></span></font></div></div></div>
<br><div class="gmail_quote">On Mon, Dec 8, 2014 at 9:28 AM, Jed Brown <span dir="ltr"><<a href="mailto:jed@jedbrown.org" target="_blank">jed@jedbrown.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span>paul zhang <<a href="mailto:paulhuaizhang@gmail.com" target="_blank">paulhuaizhang@gmail.com</a>> writes:<br>
<br>
> Hi all,<br>
><br>
> I was wondering if PETSc has a point implicit method solver or similar<br>
> implemented.<br>
<br>
</span>-pc_type pbjacobi<br>
</blockquote></div><br></div></div></div></div>
</blockquote></div><br></div>