[petsc-users] SuperLU + GPUs

[Junchao Zhang]

I remember Barry said superlu gpu support is broken.
--Junchao Zhang


On Wed, Apr 15, 2020 at 3:47 PM Mark Adams <mfadams at lbl.gov> wrote:

> 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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