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Thank you Barry and Satish. Trying it now. From: Barry Smith <bsmith@ petsc. dev> Sent: Monday, April 29, 2024 12: 15 PM To: Vanella, Marcos (Fed) <marcos. vanella@ nist. gov> Cc: balay@ mcs. anl. gov <balay@ mcs. anl. gov>; petsc-users
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Thank you Barry and Satish. </div>
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Trying it now.</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Barry Smith <bsmith@petsc.dev><br>
<b>Sent:</b> Monday, April 29, 2024 12:15 PM<br>
<b>To:</b> Vanella, Marcos (Fed) <marcos.vanella@nist.gov><br>
<b>Cc:</b> balay@mcs.anl.gov <balay@mcs.anl.gov>; petsc-users <petsc-users@mcs.anl.gov><br>
<b>Subject:</b> Re: [petsc-users] Asking SuiteSparse to use Metis at PETSc config time</font>
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<div>On Apr 29, 2024, at 12:05 PM, Vanella, Marcos (Fed) via petsc-users <petsc-users@mcs.anl.gov> wrote:</div>
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Hi Satish, </div>
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Ok thank you for clarifying. I don't need to include Metis in the config phase then (not using anywhere else).</div>
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Is there a way I can configure PETSc to not require X11 (Xgraph functions, etc.)?</div>
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Thank you,</div>
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Marcos</div>
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<font face="Calibri, sans-serif" style="font-size:11pt"><b>From:</b><span class="x_Apple-converted-space"> </span>Satish Balay <<a href="mailto:balay@mcs.anl.gov">balay@mcs.anl.gov</a>><br>
<b>Sent:</b><span class="x_Apple-converted-space"> </span>Monday, April 29, 2024 12:00 PM<br>
<b>To:</b><span class="x_Apple-converted-space"> </span>Vanella, Marcos (Fed) <<a href="mailto:marcos.vanella@nist.gov">marcos.vanella@nist.gov</a>><br>
<b>Cc:</b><span class="x_Apple-converted-space"> </span><a href="mailto:petsc-users@mcs.anl.gov">petsc-users@mcs.anl.gov</a><span class="x_Apple-converted-space"> </span><<a href="mailto:petsc-users@mcs.anl.gov">petsc-users@mcs.anl.gov</a>><br>
<b>Subject:</b><span class="x_Apple-converted-space"> </span>Re: [petsc-users] Asking SuiteSparse to use Metis at PETSc config time</font>
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# Other CMakeLists.txt files inside SuiteSparse are from dependent packages<br>
# (LAGraph/deps/json_h, GraphBLAS/cpu_features, and CHOLMOD/SuiteSparse_metis<br>
# which is a slightly revised copy of METIS 5.0.1) but none of those<br>
# CMakeLists.txt files are used to build any package in SuiteSparse.<br>
<br>
<br>
So suitesparse includes a copy of metis sources - i.e does not use external metis library?<br>
<br>
>><br>
balay@pj01:~/petsc/arch-linux-c-debug/lib$ nm -Ao *.so |grep METIS_PartGraphKway<br>
<a href="https://urldefense.us/v3/__http://libcholmod.so/__;!!G_uCfscf7eWS!YIYZ1vTytYFBE5oIEuet3ePXOjBBGc_S-RV9ifF34mCwbBIPNMHUWhE0UXHsPrrNvUcv_j84iDub1KspAUwetDdPCYFkOISg$" originalsrc="http://libcholmod.so/" shash="Nb7M/pNn/Oa+sRalmHujPU+B33uoK6Hll3vger06I6TerL7mXdknopBwzkhsoRVN02fnrt743pHjpyzCYdC8PiygvIuYwCZ4LC6y8yIseqkK8beowow+QgrHGId63M/s92Lu/e2Y5aDSlYI+uQEN3KCeDK2e7ACqNM8uIBAc/pk=">libcholmod.so</a>:000000000026e500
T SuiteSparse_metis_METIS_PartGraphKway<br>
<<<<br>
<br>
And metis routines are already in -lcholmod [with some namespace fixes]<br>
<br>
Satish<br>
<br>
On Mon, 29 Apr 2024, Vanella, Marcos (Fed) via petsc-users wrote:<br>
<br>
> Hi all, I'm wondering.. Is it possible to get SuiteSparse to use Metis at configure time with PETSc? Using Metis for reordering at symbolic factorization phase gives lower filling for factorization matrices than AMD in some cases (faster solution phase).<br>
> I tried this with gcc compilers and openmpi:<br>
><span class="x_Apple-converted-space"> </span><br>
> $./configure LDFLAGS="-ld_classic" COPTFLAGS="-O2 -g" CXXOPTFLAGS="-O2 -g" FOPTFLAGS="-O2 -g" --with-debugging=0 --with-shared-libraries=0 --download-metis --download-suitesparse --download-hypre --download-fblaslapack --download-make --force<br>
><span class="x_Apple-converted-space"> </span><br>
> and get for SuiteSparse:<br>
><span class="x_Apple-converted-space"> </span><br>
> metis:<br>
> Version: 5.1.0<br>
> Includes: -I/Users/mnv/Documents/Software/petsc/arch-darwin-opt-gcc/include<br>
> Libraries: -Wl,-rpath,/Users/mnv/Documents/Software/petsc/arch-darwin-opt-gcc/lib -L/Users/mnv/Documents/Software/petsc/arch-darwin-opt-gcc/lib -lmetis<br>
> SuiteSparse:<br>
> Version: 7.7.0<br>
> Includes: -I/Users/mnv/Documents/Software/petsc/arch-darwin-opt-gcc/include/suitesparse -I/Users/mnv/Documents/Software/petsc/arch-darwin-opt-gcc/include<br>
> Libraries: -Wl,-rpath,/Users/mnv/Documents/Software/petsc/arch-darwin-opt-gcc/lib -L/Users/mnv/Documents/Software/petsc/arch-darwin-opt-gcc/lib -lspqr -lumfpack -lklu -lcholmod -lbtf -lccolamd -lcolamd -lcamd -lamd -lsuitesparseconfig<br>
><span class="x_Apple-converted-space"> </span><br>
> for which I see Metis will be compiled but I don't have -lmetis linking in the SuiteSparse Libraries.<br>
> Thank you for your time!<br>
> Marcos<br>
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