[petsc-users] SuperLU + GPUs

Mark Adams mfadams at lbl.gov
Wed Apr 15 15:47:33 CDT 2020


How does one use SuperLU with GPUs. I don't seem to get any GPU performance
data so I assume GPUs are not getting turned on. Am I wrong about that?

I configure with:
configure options: --with-fc=0 --COPTFLAGS="-g -O2 -fPIC -fopenmp"
--CXXOPTFLAGS="-g -O2 -fPIC -fopenmp" --FOPTFLAGS="-g -O2 -fPIC -fopenmp"
--CUDAOPTFLAGS="-O2 -g" --with-ssl=0 --with-batch=0 --with-cxx=mpicxx
--with-mpiexec="jsrun -g1" --with-cuda=1 --with-cudac=nvcc
--download-p4est=1 --download-zlib --download-hdf5=1 --download-metis
--download-superlu --download-superlu_dist --with-make-np=16
--download-parmetis --download-triangle
--with-blaslapack-lib="-L/autofs/nccs-svm1_sw/summit/.swci/1-compute/opt/spack/20180914/linux-rhel7-ppc64le/gcc-6.4.0/netlib-lapack-3.8.0-wcabdyqhdi5rooxbkqa6x5d7hxyxwdkm/lib64
-lblas -llapack" --with-cc=mpicc --with-shared-libraries=1 --with-x=0
--with-64-bit-indices=0 --with-debugging=0
PETSC_ARCH=arch-summit-opt-gnu-cuda-omp --with-openmp=1
--with-threadsaftey=1 --with-log=1

Thanks,
Mark
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