Hi Satish, Ok thank you for clarifying. I don't need to include Metis in the config phase then (not using anywhere else). Is there a way I can configure PETSc to not require X11 (Xgraph functions, etc.)? Thank you, Marcos ________________________________ From: Satish Balay <ba...@mcs.anl.gov> Sent: Monday, April 29, 2024 12:00 PM To: Vanella, Marcos (Fed) <marcos.vane...@nist.gov> Cc: petsc-users@mcs.anl.gov <petsc-users@mcs.anl.gov> Subject: Re: [petsc-users] Asking SuiteSparse to use Metis at PETSc config time
# Other CMakeLists.txt files inside SuiteSparse are from dependent packages # (LAGraph/deps/json_h, GraphBLAS/cpu_features, and CHOLMOD/SuiteSparse_metis # which is a slightly revised copy of METIS 5.0.1) but none of those # CMakeLists.txt files are used to build any package in SuiteSparse. So suitesparse includes a copy of metis sources - i.e does not use external metis library? >> balay@pj01:~/petsc/arch-linux-c-debug/lib$ nm -Ao *.so |grep METIS_PartGraphKway libcholmod.so:000000000026e500 T SuiteSparse_metis_METIS_PartGraphKway <<< And metis routines are already in -lcholmod [with some namespace fixes] Satish On Mon, 29 Apr 2024, Vanella, Marcos (Fed) via petsc-users wrote: > 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). > I tried this with gcc compilers and openmpi: > > $./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 > > and get for SuiteSparse: > > metis: > Version: 5.1.0 > Includes: > -I/Users/mnv/Documents/Software/petsc/arch-darwin-opt-gcc/include > 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 > SuiteSparse: > Version: 7.7.0 > Includes: > -I/Users/mnv/Documents/Software/petsc/arch-darwin-opt-gcc/include/suitesparse > -I/Users/mnv/Documents/Software/petsc/arch-darwin-opt-gcc/include > 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 > > for which I see Metis will be compiled but I don't have -lmetis linking in > the SuiteSparse Libraries. > Thank you for your time! > Marcos >
