[petsc-users] SuperLU + GPUs
Mark Adams
mfadams at lbl.gov
Sat Apr 18 18:54:08 CDT 2020
On Sat, Apr 18, 2020 at 3:05 PM Xiaoye S. Li <xsli at lbl.gov> wrote:
> Mark,
>
> It seems you are talking about serial superlu? There is no GPU support
> in it. Only superlu_dist has GPU.
>
I am using superlu_dist on one processor. Should that work?
>
> But I don't know why there is a crash.
>
> Sherry
>
> On Sat, Apr 18, 2020 at 11:44 AM Mark Adams <mfadams at lbl.gov> wrote:
>
>> Sherry, I did rebase with master this week:
>>
>> SuperLU:
>> Version: 5.2.1
>> Includes: -I/ccs/home/adams/petsc/arch-summit-opt-gnu-cuda-omp/include
>> Library:
>> -Wl,-rpath,/ccs/home/adams/petsc/arch-summit-opt-gnu-cuda-omp/lib
>> -L/ccs/home/adams/petsc/arch-summit-opt-gnu-cuda-omp/lib -lsuperlu
>>
>> I see the same thing with a debug build.
>>
>> If anyone is interested in looking at this, I was also able to see that
>> plex/ex10 in my branch, which is a very simple test , also does not crash
>> and also does not seem to use GPUs in SuperLU.
>>
>>
>> On Sat, Apr 18, 2020 at 11:46 AM Xiaoye S. Li <xsli at lbl.gov> wrote:
>>
>>> When you install "-download-superlu_dist", that is from 'master' branch?
>>>
>>> In the error trace, I recognized this:
>>>
>>> > [h50n09:102287] [ 9] /ccs/home/adams/petsc/arch-
>>> summit-opt-gnu-cuda-omp/lib/libsuperlu_dist.so.6(dDestroy_
>>> LU+0xc4)[0x20000195aff4]
>>>
>>> This is to free the L and U data structures at the end of the program.
>>>
>>> Sherry
>>>
>>> On Sat, Apr 18, 2020 at 7:24 AM Mark Adams <mfadams at lbl.gov> wrote:
>>>
>>>> Back to SuperLU + GPUs (adding Sherry)
>>>>
>>>> I get this error (appended) running 'check', as I said before. It looks
>>>> like ex19 is *failing* with CUDA but it is not clear it has anything
>>>> to do with SuperLU. I can not find these diagnostics that got printed after
>>>> the error in PETSc or SuperLU.
>>>>
>>>> So this is a problem, but moving on to my code (plex/ex11 in
>>>> mark/feature-xgc-interface-rebase-v2, configure script appended). It runs.
>>>> I use superlu and GPUs, but they do not seem to be used in SuperLU:
>>>>
>>>>
>>>> ------------------------------------------------------------------------------------------------------------------------
>>>> Event Count Time (sec) Flop
>>>> --- Global --- --- Stage ---- Total GPU - CpuToGpu - -
>>>> GpuToCpu - GPU
>>>> Max Ratio Max Ratio Max Ratio Mess AvgLen
>>>> Reduct %T %F %M %L %R %T %F %M %L %R Mflop/s Mflop/s Count Size
>>>> Count Size %F
>>>>
>>>> ---------------------------------------------------------------------------------------------------------------------------------------------------------------
>>>> ....
>>>> MatLUFactorNum 12 1.0 *2.3416e+01* 1.0 0.00e+00 0.0 0.0e+00
>>>> 0.0e+00 0.0e+00 31 0 0 0 0 31 0 0 0 0 0 0 *0
>>>> 0.00e+00 0 0.00e+00 0*
>>>>
>>>> No CUDA version. The times are the same and no GPU communication above.
>>>> So SuperLU does not seem to be using GPUs.
>>>>
>>>>
>>>> ------------------------------------------------------------------------------------------------------------------------
>>>> Event Count Time (sec) Flop
>>>> --- Global --- --- Stage ---- Total
>>>> Max Ratio Max Ratio Max Ratio Mess AvgLen
>>>> Reduct %T %F %M %L %R %T %F %M %L %R Mflop/s
>>>>
>>>> ------------------------------------------------------------------------------------------------------------------------
>>>> ....
>>>> MatLUFactorNum 12 1.0 *2.3421e+01* 1.0 0.00e+00 0.0 0.0e+00
>>>> 0.0e+00 0.0e+00 5 0 0 0 0 5 0 0 0 0 0
>>>>
>>>> There are some differences: ex19 use DMDA and I use DMPlex, 'check' is
>>>> run in my home directory, where files can not be written, and I run my code
>>>> in the project areas.
>>>>
>>>> The timings are different without superlu so I think superlu is being
>>>> used. THis is how I run this (w and w/o -mat_superlu_equil -dm_mat_type
>>>> sell)
>>>>
>>>> jsrun -n 1 -a 1 -c 2 -g 1 ./ex113d_no_cuda -dim 3 -dm_view
>>>> hdf5:re33d.h5 -vec_view hdf5:re33d.h5::append -test_type spitzer -Ez 0
>>>> -petscspace_degree 2 -mass_petscspace_degree 2 -petscspace_poly_tensor 1
>>>> -mass_petscspace_poly_tensor 1 -dm_type p8est -ion_masses 4 -ion_charges 2
>>>> -thermal_temps 4,4 -n 1,.5 -n_0 1e20 -ts_monitor -ts_adapt_monitor
>>>> -snes_rtol 1.e-6 -snes_stol 1.e-9 -snes_monitor -snes_converged_reason
>>>> -snes_max_it 15 -ts_type arkimex -ts_exact_final_time stepover
>>>> -ts_arkimex_type 1bee -ts_max_snes_failures -1 -ts_rtol 1e-3 -ts_dt 1e-1
>>>> -ts_adapt_clip .25,1.05 -ts_adapt_dt_max 10 -ts_adapt_dt_min 2e-2
>>>> -ts_max_time 3200 -ts_max_steps 1 -ts_adapt_scale_solve_failed 0.75
>>>> -ts_adapt_time_step_increase_delay 5 -pc_type lu -ksp_type preonly
>>>> -amr_levels_max 11 -amr_re_levels 0 -amr_z_refine1 0 -amr_z_refine2 0
>>>> -amr_post_refine 0 -domain_radius -.95 -re_radius 4 -z_radius1 8 -z_radius2
>>>> .1 -plot_dt .10 -impurity_source_type pulse -pulse_start_time 2600
>>>> -pulse_width_time 100 -pulse_rate 1e+0 -t_cold .005 -info :dm,tsadapt:
>>>> -sub_thread_block_size 4 -options_left -log_view -pc_factor_mat_solver_type
>>>> superlu -mat_superlu_equil -dm_mat_type sell
>>>>
>>>> So there is a bug in ex19 on SUMMIT and I am not getting GPUs turned on
>>>> in SuperLU.
>>>> Thoughts?
>>>>
>>>> Thanks,
>>>> Mark
>>>>
>>>> 09:28 mark/feature-xgc-interface-rebase-v2 *= ~/petsc$ make
>>>> PETSC_DIR=/ccs/home/adams/petsc PETSC_ARCH=arch-summit-opt-gnu-cuda-omp
>>>> check
>>>> Running check examples to verify correct installation
>>>> Using PETSC_DIR=/ccs/home/adams/petsc and
>>>> PETSC_ARCH=arch-summit-opt-gnu-cuda-omp
>>>> C/C++ example src/snes/tutorials/ex19 run successfully with 1 MPI
>>>> process
>>>> C/C++ example src/snes/tutorials/ex19 run successfully with 2 MPI
>>>> processes
>>>> 2c2,39
>>>> < Number of SNES iterations = 2
>>>> ---
>>>>
>>>> *> ex19: cudahook.cc:762: CUresult host_free_callback(void*): Assertion
>>>> `cacheNode != __null' failed.*> [h50n09:102287] *** Process received
>>>> signal ***
>>>> > CUDA version: v 10010
>>>> > CUDA Devices:
>>>> >
>>>> > 0 : Tesla V100-SXM2-16GB 7 0
>>>> > Global memory: 16128 mb
>>>> > Shared memory: 48 kb
>>>> > Constant memory: 64 kb
>>>> > Block registers: 65536
>>>> >
>>>> > [h50n09:102287] Signal: Aborted (6)
>>>> > [h50n09:102287] Associated errno: Unknown error 1072693248
>>>> (1072693248)
>>>> > [h50n09:102287] Signal code: User function (kill, sigsend, abort,
>>>> etc.) (0)
>>>> > [h50n09:102287] [ 0] [0x2000000504d8]
>>>> > [h50n09:102287] [ 1] /lib64/libc.so.6(abort+0x2b4)[0x200021bf2094]
>>>> > [h50n09:102287] [ 2] /lib64/libc.so.6(+0x356d4)[0x200021be56d4]
>>>> > [h50n09:102287] [ 3]
>>>> /lib64/libc.so.6(__assert_fail+0x64)[0x200021be57c4]
>>>> > [h50n09:102287] [ 4]
>>>> /autofs/nccs-svm1_sw/summit/.swci/1-compute/opt/spack/20180914/linux-rhel7-ppc64le/gcc-6.4.0/spectrum-mpi-10.3.1.2-20200121-awz2q5brde7wgdqqw4ugalrkukeub4eb/container/../lib/libpami_cudahook.so(_Z18host_free_callbackPv+0x2d8)[0x2000000cd2c8]
>>>> > [h50n09:102287] [ 5]
>>>> /autofs/nccs-svm1_sw/summit/.swci/1-compute/opt/spack/20180914/linux-rhel7-ppc64le/gcc-6.4.0/spectrum-mpi-10.3.1.2-20200121-awz2q5brde7wgdqqw4ugalrkukeub4eb/container/../lib/libpami_cudahook.so(cuMemFreeHost+0xb0)[0x2000000c3cc0]
>>>> > [h50n09:102287] [ 6]
>>>> /sw/summit/cuda/10.1.243/lib64/libcudart.so.10.1(+0x42f50)[0x20000ed02f50]
>>>> > [h50n09:102287] [ 7]
>>>> /sw/summit/cuda/10.1.243/lib64/libcudart.so.10.1(+0x11db8)[0x20000ecd1db8]
>>>> > [h50n09:102287] [ 8]
>>>> /sw/summit/cuda/10.1.243/lib64/libcudart.so.10.1(cudaFreeHost+0x74)[0x20000ed12ea4]
>>>> > [h50n09:102287] [ 9]
>>>> /ccs/home/adams/petsc/arch-summit-opt-gnu-cuda-omp/lib/libsuperlu_dist.so.6(dDestroy_LU+0xc4)[0x20000195aff4]
>>>> > [h50n09:102287] [10]
>>>> /ccs/home/adams/petsc/arch-summit-opt-gnu-cuda-omp/lib/libpetsc.so.3.013(+0x7cdb70)[0x2000008bdb70]
>>>> > [h50n09:102287] [11]
>>>> /ccs/home/adams/petsc/arch-summit-opt-gnu-cuda-omp/lib/libpetsc.so.3.013(MatLUFactorNumeric+0x1ec)[0x2000005f1a8c]
>>>> > [h50n09:102287] [12]
>>>> /ccs/home/adams/petsc/arch-summit-opt-gnu-cuda-omp/lib/libpetsc.so.3.013(+0xbf8270)[0x200000ce8270]
>>>> > [h50n09:102287] [13]
>>>> /ccs/home/adams/petsc/arch-summit-opt-gnu-cuda-omp/lib/libpetsc.so.3.013(PCSetUp+0x1a4)[0x200000d8d5a4]
>>>> > [h50n09:102287] [14]
>>>> /ccs/home/adams/petsc/arch-summit-opt-gnu-cuda-omp/lib/libpetsc.so.3.013(KSPSetUp+0x40c)[0x200000dc498c]
>>>> > [h50n09:102287] [15]
>>>> /ccs/home/adams/petsc/arch-summit-opt-gnu-cuda-omp/lib/libpetsc.so.3.013(+0xcd56fc)[0x200000dc56fc]
>>>> > [h50n09:102287] [16]
>>>> /ccs/home/adams/petsc/arch-summit-opt-gnu-cuda-omp/lib/libpetsc.so.3.013(KSPSolve+0x20)[0x200000dc8260]
>>>> > [h50n09:102287] [17]
>>>> /ccs/home/adams/petsc/arch-summit-opt-gnu-cuda-omp/lib/libpetsc.so.3.013(+0xe0a170)[0x200000efa170]
>>>> > [h50n09:102287] [18]
>>>> /ccs/home/adams/petsc/arch-summit-opt-gnu-cuda-omp/lib/libpetsc.so.3.013(SNESSolve+0x814)[0x200000ebd394]
>>>> > [h50n09:102287] [19] ./ex19[0x10001a6c]
>>>> > [h50n09:102287] [20] /lib64/libc.so.6(+0x25200)[0x200021bd5200]
>>>> > [h50n09:102287] [21]
>>>> /lib64/libc.so.6(__libc_start_main+0xc4)[0x200021bd53f4]
>>>> > [h50n09:102287] *** End of error message ***
>>>> > ERROR: One or more process (first noticed rank 0) terminated with
>>>> signal 6
>>>> /ccs/home/adams/petsc/src/snes/tutorials
>>>> Possible problem with ex19 running with superlu_dist, diffs above
>>>>
>>>>
>>>>
>>>>
>>>> #!/usr/bin/env python
>>>> if __name__ == '__main__':
>>>> import sys
>>>> import os
>>>> sys.path.insert(0, os.path.abspath('config'))
>>>> import configure
>>>> 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',
>>>> # '--with-hwloc=0',
>>>> '--download-parmetis',
>>>> # '--download-hypre',
>>>> '--download-triangle',
>>>> # '--download-amgx',
>>>> # '--download-fblaslapack',
>>>> '--with-blaslapack-lib=-L' + os.environ['OLCF_NETLIB_LAPACK_ROOT']
>>>> + '/lib64 -lblas -llapack',
>>>> '--with-cc=mpicc',
>>>> # '--with-fc=mpif90',
>>>> '--with-shared-libraries=1',
>>>> # '--known-mpi-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'
>>>> ]
>>>> configure.petsc_configure(configure_options)
>>>>
>>>>
>>>>
>>>> On Wed, Apr 15, 2020 at 9:58 PM Satish Balay <balay at mcs.anl.gov> wrote:
>>>>
>>>>> The crash is inside Superlu_DIST - so don't know what to suggest.
>>>>>
>>>>> Might have to debug this via debugger and check with Sherry.
>>>>>
>>>>> Satish
>>>>>
>>>>> On Wed, 15 Apr 2020, Mark Adams wrote:
>>>>>
>>>>> > Ah, OK 'check' will test SuperLU. Semi worked:
>>>>> >
>>>>> > s20:13 mark/feature-xgc-interface-rebase *= ~/petsc$ make
>>>>> > PETSC_DIR=/ccs/home/adams/petsc
>>>>> PETSC_ARCH=arch-summit-dbg-gnu-cuda-omp
>>>>> > check
>>>>> > Running check examples to verify correct installation
>>>>> > Using PETSC_DIR=/ccs/home/adams/petsc and
>>>>> > PETSC_ARCH=arch-summit-dbg-gnu-cuda-omp
>>>>> > C/C++ example src/snes/tutorials/ex19 run successfully with 1 MPI
>>>>> process
>>>>> > C/C++ example src/snes/tutorials/ex19 run successfully with 2 MPI
>>>>> processes
>>>>> > 2c2,38
>>>>> > < Number of SNES iterations = 2
>>>>> > ---
>>>>> > > CUDA version: v 10010
>>>>> > > CUDA Devices:
>>>>> > >
>>>>> > > 0 : Tesla V100-SXM2-16GB 7 0
>>>>> > > Global memory: 16128 mb
>>>>> > > Shared memory: 48 kb
>>>>> > > Constant memory: 64 kb
>>>>> > > Block registers: 65536
>>>>> > >
>>>>> > > ex19: cudahook.cc:762: CUresult host_free_callback(void*):
>>>>> Assertion
>>>>> > `cacheNode != __null' failed.
>>>>> > > [h16n07:78357] *** Process received signal ***
>>>>> > > [h16n07:78357] Signal: Aborted (6)
>>>>> > > [h16n07:78357] Signal code: (1704218624)
>>>>> > > [h16n07:78357] [ 0] [0x2000000504d8]
>>>>> > > [h16n07:78357] [ 1] /lib64/libc.so.6(abort+0x2b4)[0x200023992094]
>>>>> > > [h16n07:78357] [ 2] /lib64/libc.so.6(+0x356d4)[0x2000239856d4]
>>>>> > > [h16n07:78357] [ 3]
>>>>> /lib64/libc.so.6(__assert_fail+0x64)[0x2000239857c4]
>>>>> > > [h16n07:78357] [ 4]
>>>>> >
>>>>> /autofs/nccs-svm1_sw/summit/.swci/1-compute/opt/spack/20180914/linux-rhel7-ppc64le/gcc-6.4.0/spectrum-mpi-10.3.1.2-20200121-awz2q5brde7wgdqqw4ugalrkukeub4eb/container/../lib/libpami_cudahook.so(_Z18host_free_callbackPv+0x2d8)[0x2000000cd2c8]
>>>>> > > [h16n07:78357] [ 5]
>>>>> >
>>>>> /autofs/nccs-svm1_sw/summit/.swci/1-compute/opt/spack/20180914/linux-rhel7-ppc64le/gcc-6.4.0/spectrum-mpi-10.3.1.2-20200121-awz2q5brde7wgdqqw4ugalrkukeub4eb/container/../lib/libpami_cudahook.so(cuMemFreeHost+0xb0)[0x2000000c3cc0]
>>>>> > > [h16n07:78357] [ 6]
>>>>> >
>>>>> /sw/summit/cuda/10.1.243/lib64/libcudart.so.10.1(+0x42f50)[0x200010aa2f50]
>>>>> > > [h16n07:78357] [ 7]
>>>>> >
>>>>> /sw/summit/cuda/10.1.243/lib64/libcudart.so.10.1(+0x11db8)[0x200010a71db8]
>>>>> > > [h16n07:78357] [ 8]
>>>>> >
>>>>> /sw/summit/cuda/10.1.243/lib64/libcudart.so.10.1(cudaFreeHost+0x74)[0x200010ab2ea4]
>>>>> > > [h16n07:78357] [ 9]
>>>>> >
>>>>> /ccs/home/adams/petsc/arch-summit-dbg-gnu-cuda-omp/lib/libsuperlu_dist.so.6(dDestroy_LU+0x150)[0x200003188058]
>>>>> > > [h16n07:78357] [10]
>>>>> >
>>>>> /ccs/home/adams/petsc/arch-summit-dbg-gnu-cuda-omp/lib/libpetsc.so.3.013(+0x12ebc6c)[0x2000013dbc6c]
>>>>> > > [h16n07:78357] [11]
>>>>> >
>>>>> /ccs/home/adams/petsc/arch-summit-dbg-gnu-cuda-omp/lib/libpetsc.so.3.013(MatLUFactorNumeric+0x934)[0x200000d2fae4]
>>>>> > > [h16n07:78357] [12]
>>>>> >
>>>>> /ccs/home/adams/petsc/arch-summit-dbg-gnu-cuda-omp/lib/libpetsc.so.3.013(+0x1cca7a4)[0x200001dba7a4]
>>>>> > > [h16n07:78357] [13]
>>>>> >
>>>>> /ccs/home/adams/petsc/arch-summit-dbg-gnu-cuda-omp/lib/libpetsc.so.3.013(PCSetUp+0xde0)[0x200001f3f990]
>>>>> > > [h16n07:78357] [14]
>>>>> >
>>>>> /ccs/home/adams/petsc/arch-summit-dbg-gnu-cuda-omp/lib/libpetsc.so.3.013(KSPSetUp+0x1848)[0x200001fc5594]
>>>>> > > [h16n07:78357] [15]
>>>>> >
>>>>> /ccs/home/adams/petsc/arch-summit-dbg-gnu-cuda-omp/lib/libpetsc.so.3.013(+0x1ed9908)[0x200001fc9908]
>>>>> > > [h16n07:78357] [16]
>>>>> >
>>>>> /ccs/home/adams/petsc/arch-summit-dbg-gnu-cuda-omp/lib/libpetsc.so.3.013(KSPSolve+0x5d0)[0x200001fcc690]
>>>>> > > [h16n07:78357] [17]
>>>>> >
>>>>> /ccs/home/adams/petsc/arch-summit-dbg-gnu-cuda-omp/lib/libpetsc.so.3.013(+0x21e16ac)[0x2000022d16ac]
>>>>> > > [h16n07:78357] [18]
>>>>> >
>>>>> /ccs/home/adams/petsc/arch-summit-dbg-gnu-cuda-omp/lib/libpetsc.so.3.013(SNESSolve+0x23f4)[0x2000022255c0]
>>>>> > > [h16n07:78357] [19] ./ex19[0x10002ac8]
>>>>> > > [h16n07:78357] [20] /lib64/libc.so.6(+0x25200)[0x200023975200]
>>>>> > > [h16n07:78357] [21]
>>>>> > /lib64/libc.so.6(__libc_start_main+0xc4)[0x2000239753f4]
>>>>> > > [h16n07:78357] *** End of error message ***
>>>>> > > ERROR: One or more process (first noticed rank 0) terminated with
>>>>> signal
>>>>> > 6
>>>>> > /ccs/home/adams/petsc/src/snes/tutorials
>>>>> > Possible problem with ex19 running with superlu_dist, diffs above
>>>>> > =========================================
>>>>> >
>>>>> > On Wed, Apr 15, 2020 at 5:58 PM Satish Balay <balay at mcs.anl.gov>
>>>>> wrote:
>>>>> >
>>>>> > > Please send configure.log
>>>>> > >
>>>>> > > This is what I get on my linux build:
>>>>> > >
>>>>> > > [balay at p1 petsc]$ ./configure
>>>>> > > --with-mpi-dir=/home/petsc/soft/openmpi-4.0.2-cuda --with-cuda=1
>>>>> > > --with-openmp=1 --download-superlu-dist=1 && make && make check
>>>>> > > <snip>
>>>>> > > Running check examples to verify correct installation
>>>>> > > Using PETSC_DIR=/home/balay/petsc and PETSC_ARCH=arch-linux-c-debug
>>>>> > > C/C++ example src/snes/tutorials/ex19 run successfully with 1 MPI
>>>>> process
>>>>> > > C/C++ example src/snes/tutorials/ex19 run successfully with 2 MPI
>>>>> processes
>>>>> > > 1a2,19
>>>>> > > > CUDA version: v 10020
>>>>> > > > CUDA Devices:
>>>>> > > >
>>>>> > > > 0 : Quadro T2000 7 5
>>>>> > > > Global memory: 3911 mb
>>>>> > > > Shared memory: 48 kb
>>>>> > > > Constant memory: 64 kb
>>>>> > > > Block registers: 65536
>>>>> > > >
>>>>> > > > CUDA version: v 10020
>>>>> > > > CUDA Devices:
>>>>> > > >
>>>>> > > > 0 : Quadro T2000 7 5
>>>>> > > > Global memory: 3911 mb
>>>>> > > > Shared memory: 48 kb
>>>>> > > > Constant memory: 64 kb
>>>>> > > > Block registers: 65536
>>>>> > > >
>>>>> > > /home/balay/petsc/src/snes/tutorials
>>>>> > > Possible problem with ex19 running with superlu_dist, diffs above
>>>>> > > =========================================
>>>>> > > Fortran example src/snes/tutorials/ex5f run successfully with 1
>>>>> MPI process
>>>>> > > Completed test examples
>>>>> > >
>>>>> > >
>>>>> > > On Wed, 15 Apr 2020, Mark Adams wrote:
>>>>> > >
>>>>> > > > On Wed, Apr 15, 2020 at 5:17 PM Satish Balay <balay at mcs.anl.gov>
>>>>> wrote:
>>>>> > > >
>>>>> > > > > The build should work. It should give some verbose info [at
>>>>> runtime]
>>>>> > > > > regarding GPUs - from the following code.
>>>>> > > > >
>>>>> > > > >
>>>>> > > > I don't see that and I am running GPUs in my code and have gotten
>>>>> > > cusparse
>>>>> > > > LU to run. Should I use '-info :sys:' ?
>>>>> > > >
>>>>> > > >
>>>>> > > > > >>>>> SRC/cublas_utils.c >>>>>>>>>>>
>>>>> > > > > void DisplayHeader()
>>>>> > > > > {
>>>>> > > > > const int kb = 1024;
>>>>> > > > > const int mb = kb * kb;
>>>>> > > > > // cout << "NBody.GPU" << endl << "=========" << endl <<
>>>>> endl;
>>>>> > > > >
>>>>> > > > > printf("CUDA version: v %d\n",CUDART_VERSION);
>>>>> > > > > //cout << "Thrust version: v" << THRUST_MAJOR_VERSION <<
>>>>> "." <<
>>>>> > > > > THRUST_MINOR_VERSION << endl << endl;
>>>>> > > > >
>>>>> > > > > int devCount;
>>>>> > > > > cudaGetDeviceCount(&devCount);
>>>>> > > > > printf( "CUDA Devices: \n \n");
>>>>> > > > > <snip>
>>>>> > > > > <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
>>>>> > > > >
>>>>> > > > > Satish
>>>>> > > > >
>>>>> > > > > On Wed, 15 Apr 2020, Junchao Zhang wrote:
>>>>> > > > >
>>>>> > > > > > 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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