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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Hello people,</span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'> </span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>I have exactly the same problem as Faiza...
</span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>In sequential it runs ok but in parallel
not.</span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'> </span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Greetings.</span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'> </span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Guilherme</span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'> </span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 face=Tahoma><span
style='font-size:10.0pt;font-family:Tahoma'>-----Original Message-----<br>
<b><span style='font-weight:bold'>From:</span></b>
owner-petsc-users@mcs.anl.gov [mailto:owner-petsc-users@mcs.anl.gov] <b><span
style='font-weight:bold'>On Behalf Of </span></b>Boulahya Faïza<br>
<b><span style='font-weight:bold'>Sent:</span></b> </span></font><font size=2 face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'>10 May 2006</span></font><font
size=2 face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'> </span></font><font size=2 face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'>10:39</span></font><font
size=2 face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'><br>
<b><span style='font-weight:bold'>To:</span></b> 'petsc-users@mcs.anl.gov'<br>
<b><span style='font-weight:bold'>Subject:</span></b> RE: Petsc + BlockSolve95</span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>Thanks.</span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'> I tried something else :</span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'> - creation
of the matrix with MatCreateMPIAIJ</span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'> </span></font><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'>- initialization</span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'> </span></font><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'>- adding
of the options MAT_SYMMETRIC and MAT_SYMMETRY_ETERNAL </span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>When solving in sequential CG + ICC,
everything is ok. When I tried in parallel the same code the options lead to
the same error :</span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>[0]PETSC ERROR:
MatSetOption_MPIAIJ() line 1251 in src/mat/impls/aij/mpi/mpiaij.c<br>
[0]PETSC ERROR: No support for this operation for this object type!<br>
[0]PETSC ERROR: unknown option!<br>
[0]PETSC ERROR: MatSetOption() line 4137 in src/mat/interface/matrix.c</span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>Can MatSetOption be only used
in sequential?</span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>Faïza</span></font></p>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p>
</div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p>
<div class=MsoNormal align=center style='margin-left:36.0pt;text-align:center'><font
size=3 face="Times New Roman"><span lang=FR style='font-size:12.0pt'>
<hr size=2 width="100%" align=center>
</span></font></div>
<p class=MsoNormal style='margin-right:0cm;margin-bottom:12.0pt;margin-left:
36.0pt'><b><font size=2 face=Tahoma><span lang=FR style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>De :</span></font></b><font size=2
face=Tahoma><span lang=FR style='font-size:10.0pt;font-family:Tahoma'> Matthew
Knepley [mailto:knepley@gmail.com] <br>
<b><span style='font-weight:bold'>Envoyé :</span></b> mardi 9 mai 2006
18:19<br>
<b><span style='font-weight:bold'>À :</span></b> petsc-users@mcs.anl.gov<br>
<b><span style='font-weight:bold'>Objet :</span></b> Re: Petsc +
BlockSolve95</span></font></p>
<p class=MsoNormal style='margin-right:0cm;margin-bottom:12.0pt;margin-left:
36.0pt'><font size=3 face="Times New Roman"><span style='font-size:12.0pt'>I
believe there is a problem with the option that you specified. All these<br>
are integers, and it is complaining that the integer does not match<br>
MAT_SYMMETRIC. I will fix the error message to print the offending<br>
option, but please check the code.<br>
<br>
Thanks,<br>
<br>
Matt</span></font></p>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><span class=gmailquote><font
size=3 face="Times New Roman"><span style='font-size:12.0pt'>On 5/9/06, <b><span
style='font-weight:bold'>Boulahya Faïza</span></b> <<a
href="mailto:F.Boulahya@brgm.fr">F.Boulahya@brgm.fr</a>> wrote:</span></font></span>
</p>
<div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>Hi All,</span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>Has anyone used Conjugate Gradient
Solver + Icomplete Cholesky Preconditionner in parallel case? I tried as said
in the manual : I use MATMPIROWBS for the storage of the matrice. However
I get this message :</span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>PETSC ERROR: To use incomplete
Cholesky<br>
preconditioning with a MATMPIROWBS matrix you must declare it to be<br>
symmetric using the option MatSetOption(A,MAT_SYMMETRIC)!</span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>So I tried adding this option (even
if in the namual it is written that it is not required). Then I obtained this
message</span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>PETSC ERROR: MatSetOption_MPIRowbs()
line 1411 in src/mat/impls/rowbs/mpi/mpirowbs.c<br>
PETSC ERROR: No support for this operation for this object type!<br>
PETSC ERROR: unknown option!<br>
PETSC ERROR: MatSetOption() line 4137 in src/mat/interface/matrix.c</span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>In advance thanks,</span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p>
</div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>Faïza</span></font></p>
<div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p>
</div>
</div>
</div>
<pre style='margin-left:36.0pt'><font size=2 color=blue face="Courier New"><span
style='font-size:10.0pt;color:blue'> </span></font></pre><pre
style='margin-left:36.0pt'><font size=2 color=blue face="Courier New"><span
style='font-size:10.0pt;color:blue'>Pensez à visiter le site BRGM sur.... http://www.brgm.fr/</span></font></pre><pre
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style='font-size:10.0pt;color:blue'> </span></font></pre><pre
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