<div dir="ltr"><div class="gmail_extra"><div class="gmail_quote">On Wed, May 27, 2015 at 11:58 AM, Li, Xinya <span dir="ltr"><<a href="mailto:Xinya.Li@pnnl.gov" target="_blank">Xinya.Li@pnnl.gov</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<p class="MsoNormal">Dear Sir/Madam,<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">I am trying to assembling a large sparse complex matrix for parallel computing. I need to pre-allocate for this sparse matrix A.<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">This is what I included in the code<u></u><u></u></p>
<p class="MsoNormal">***************************************************************************************************<u></u><u></u></p>
<p class="MsoNormal">// Allocate A<u></u><u></u></p>
<p class="MsoNormal"> ierr = MatCreate(PETSC_COMM_WORLD,&A); CHKERRQ(ierr);<u></u><u></u></p>
<p class="MsoNormal"> ierr = MatSetSizes(A,PETSC_DECIDE,PETSC_DECIDE,4*ngen,4*ngen); CHKERRQ(ierr);<u></u><u></u></p>
<p class="MsoNormal"> ierr = MatSetFromOptions(A); CHKERRQ(ierr);<u></u><u></u></p>
<p class="MsoNormal"> ierr = MatSetUp(A); CHKERRQ(ierr);<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal"> ierr = MatGetOwnershipRange(A, &xstart, &xend); CHKERRQ(ierr);<u></u><u></u></p>
<p class="MsoNormal"> if (iteration > 0) {<u></u><u></u></p>
<p class="MsoNormal"> ierr = MatRetrieveValues(A); CHKERRQ(ierr);<u></u><u></u></p>
<p class="MsoNormal"> }</p></div></div></blockquote><div><br></div><div>Call MatAssemblyBeginEnd().</div><div><br></div><div> Thanks,</div><div><br></div><div> Matt</div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div lang="EN-US" link="blue" vlink="purple"><div><p class="MsoNormal"><u></u><u></u></p>
<p class="MsoNormal">***************************************************************************************************<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">This is the error message<u></u><u></u></p>
<p class="MsoNormal">***************************************************************************************************<u></u><u></u></p>
<p class="MsoNormal">[0]PETSC ERROR: --------------------- Error Message --------------------------------------------------------------<u></u><u></u></p>
<p class="MsoNormal">[0]PETSC ERROR: Object is in wrong state<u></u><u></u></p>
<p class="MsoNormal">[0]PETSC ERROR: Not for unassembled matrix<u></u><u></u></p>
<p class="MsoNormal">[0]PETSC ERROR: See <a href="http://www.mcs.anl.gov/petsc/documentation/faq.html" target="_blank">http://www.mcs.anl.gov/petsc/documentation/faq.html</a> for trouble shooting.<u></u><u></u></p>
<p class="MsoNormal">[0]PETSC ERROR: Petsc Release Version 3.5.3, unknown<u></u><u></u></p>
<p class="MsoNormal">[0]PETSC ERROR: ./dynSim on a arch-complex named olympus.local by lixi729 Wed May 27 09:46:05 2015<u></u><u></u></p>
<p class="MsoNormal">[0]PETSC ERROR: Configure options --with-cc=gcc --with-fc=gfortran --with-cxx=g++ --with-scalar-type=complex --with-clanguage=C++ --with-fortran-kernels=generic --with-cxx-dialect=C++11 --download-fblaslapack --download-mpich --download-superlu_dist
--download-mumps --download-scalapack --download-parmetis --download-metis --download-elemental<u></u><u></u></p>
<p class="MsoNormal">[0]PETSC ERROR: #1 MatGetOrdering() line 189 in /people/lixi729/petsc/src/mat/order/sorder.c<u></u><u></u></p>
<p class="MsoNormal">[0]PETSC ERROR: #2 PCSetUp_ILU() line 196 in /people/lixi729/petsc/src/ksp/pc/impls/factor/ilu/ilu.c<u></u><u></u></p>
<p class="MsoNormal">[0]PETSC ERROR: #3 PCSetUp() line 902 in /people/lixi729/petsc/src/ksp/pc/interface/precon.c<u></u><u></u></p>
<p class="MsoNormal">[0]PETSC ERROR: #4 KSPSetUp() line 306 in /people/lixi729/petsc/src/ksp/ksp/interface/itfunc.c<u></u><u></u></p>
<p class="MsoNormal">[0]PETSC ERROR: #5 KSPSolve() line 418 in /people/lixi729/petsc/src/ksp/ksp/interface/itfunc.c<u></u><u></u></p>
<p class="MsoNormal">[0]PETSC ERROR: #6 SNESSolve_NEWTONLS() line 232 in /people/lixi729/petsc/src/snes/impls/ls/ls.c<u></u><u></u></p>
<p class="MsoNormal">[0]PETSC ERROR: #7 SNESSolve() line 3743 in /people/lixi729/petsc/src/snes/interface/snes.c<u></u><u></u></p>
<p class="MsoNormal">[0]PETSC ERROR: #8 TSStep_Theta() line 194 in /people/lixi729/petsc/src/ts/impls/implicit/theta/theta.c<u></u><u></u></p>
<p class="MsoNormal">[0]PETSC ERROR: #9 TSStep() line 2629 in /people/lixi729/petsc/src/ts/interface/ts.c<u></u><u></u></p>
<p class="MsoNormal">[0]PETSC ERROR: #10 TSSolve() line 2748 in /people/lixi729/petsc/src/ts/interface/ts.c<u></u><u></u></p>
<p class="MsoNormal">[0]PETSC ERROR: #11 simu() line 638 in simulation.C<u></u><u></u></p>
<p class="MsoNormal">[0]PETSC ERROR: #12 runSimulation() line 99 in dynSim.h<u></u><u></u></p>
<p class="MsoNormal">****************************************************************************************************<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">Thank you very much. I really appreciate your help and time.<u></u><u></u></p>
<p class="MsoNormal">Regards<u></u><u></u></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#d47500">__________________________________________________</span></b><b><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">
</span></b><span style="font-size:12.0pt;font-family:"Times New Roman","serif""><br>
</span><b><span style="font-size:12.0pt;font-family:"Verdana","sans-serif";color:black">Xinya Li</span></b><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">
<br>
</span><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black">Scientist</span><span style="font-size:12.0pt;font-family:"Times New Roman","serif""><br>
</span><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black">EED/Hydrology</span><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black">Pacific Northwest National Laboratory</span>
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<u><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:blue"><a href="mailto:Xinya.Li@pnl.gov" target="_blank">Xinya.Li@pnl.gov</a></span></u>
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</blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature">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</div>
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