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<p class="MsoNormal">Dear Sir/Madam,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></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.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">This is what I included in the code<o:p></o:p></p>
<p class="MsoNormal">***************************************************************************************************<o:p></o:p></p>
<p class="MsoNormal">// Allocate A<o:p></o:p></p>
<p class="MsoNormal"> ierr = MatCreate(PETSC_COMM_WORLD,&A); CHKERRQ(ierr);<o:p></o:p></p>
<p class="MsoNormal"> ierr = MatSetSizes(A,PETSC_DECIDE,PETSC_DECIDE,4*ngen,4*ngen); CHKERRQ(ierr);<o:p></o:p></p>
<p class="MsoNormal"> ierr = MatSetFromOptions(A); CHKERRQ(ierr);<o:p></o:p></p>
<p class="MsoNormal"> ierr = MatSetUp(A); CHKERRQ(ierr);<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"> ierr = MatGetOwnershipRange(A, &xstart, &xend); CHKERRQ(ierr);<o:p></o:p></p>
<p class="MsoNormal"> if (iteration > 0) {<o:p></o:p></p>
<p class="MsoNormal"> ierr = MatRetrieveValues(A); CHKERRQ(ierr);<o:p></o:p></p>
<p class="MsoNormal"> }<o:p></o:p></p>
<p class="MsoNormal">***************************************************************************************************<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">This is the error message<o:p></o:p></p>
<p class="MsoNormal">***************************************************************************************************<o:p></o:p></p>
<p class="MsoNormal">[0]PETSC ERROR: --------------------- Error Message --------------------------------------------------------------<o:p></o:p></p>
<p class="MsoNormal">[0]PETSC ERROR: Object is in wrong state<o:p></o:p></p>
<p class="MsoNormal">[0]PETSC ERROR: Not for unassembled matrix<o:p></o:p></p>
<p class="MsoNormal">[0]PETSC ERROR: See http://www.mcs.anl.gov/petsc/documentation/faq.html for trouble shooting.<o:p></o:p></p>
<p class="MsoNormal">[0]PETSC ERROR: Petsc Release Version 3.5.3, unknown<o:p></o:p></p>
<p class="MsoNormal">[0]PETSC ERROR: ./dynSim on a arch-complex named olympus.local by lixi729 Wed May 27 09:46:05 2015<o:p></o:p></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<o:p></o:p></p>
<p class="MsoNormal">[0]PETSC ERROR: #1 MatGetOrdering() line 189 in /people/lixi729/petsc/src/mat/order/sorder.c<o:p></o:p></p>
<p class="MsoNormal">[0]PETSC ERROR: #2 PCSetUp_ILU() line 196 in /people/lixi729/petsc/src/ksp/pc/impls/factor/ilu/ilu.c<o:p></o:p></p>
<p class="MsoNormal">[0]PETSC ERROR: #3 PCSetUp() line 902 in /people/lixi729/petsc/src/ksp/pc/interface/precon.c<o:p></o:p></p>
<p class="MsoNormal">[0]PETSC ERROR: #4 KSPSetUp() line 306 in /people/lixi729/petsc/src/ksp/ksp/interface/itfunc.c<o:p></o:p></p>
<p class="MsoNormal">[0]PETSC ERROR: #5 KSPSolve() line 418 in /people/lixi729/petsc/src/ksp/ksp/interface/itfunc.c<o:p></o:p></p>
<p class="MsoNormal">[0]PETSC ERROR: #6 SNESSolve_NEWTONLS() line 232 in /people/lixi729/petsc/src/snes/impls/ls/ls.c<o:p></o:p></p>
<p class="MsoNormal">[0]PETSC ERROR: #7 SNESSolve() line 3743 in /people/lixi729/petsc/src/snes/interface/snes.c<o:p></o:p></p>
<p class="MsoNormal">[0]PETSC ERROR: #8 TSStep_Theta() line 194 in /people/lixi729/petsc/src/ts/impls/implicit/theta/theta.c<o:p></o:p></p>
<p class="MsoNormal">[0]PETSC ERROR: #9 TSStep() line 2629 in /people/lixi729/petsc/src/ts/interface/ts.c<o:p></o:p></p>
<p class="MsoNormal">[0]PETSC ERROR: #10 TSSolve() line 2748 in /people/lixi729/petsc/src/ts/interface/ts.c<o:p></o:p></p>
<p class="MsoNormal">[0]PETSC ERROR: #11 simu() line 638 in simulation.C<o:p></o:p></p>
<p class="MsoNormal">[0]PETSC ERROR: #12 runSimulation() line 99 in dynSim.h<o:p></o:p></p>
<p class="MsoNormal">****************************************************************************************************<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thank you very much. I really appreciate your help and time.<o:p></o:p></p>
<p class="MsoNormal">Regards<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><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"">
<o:p></o:p></span></p>
<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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<span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black">902 Battelle Boulevard</span>
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<span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black">P.O. Box 999, MSIN K9-33</span><br>
<span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black">Richland, WA 99352 USA</span>
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<span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black">Tel: 509-372-6248</span><br>
<span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black">Fax: 509-372-6089</span>
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<u><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:blue">Xinya.Li@pnl.gov</span></u>
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