[petsc-users] Unable to Install Kokkos and Find Cuda Compiler

[Ted Kord]

Hi Junchao

Thanks, I will try that.

On Mon, 15 Nov 2021 at 04:19, Junchao Zhang <junchao.zhang at gmail.com> wrote:

> Hi Ted,
>   I saw in configure.log,
>       --with-cudac=/usr/local/cuda-11.4/bin/nvcc
> --with-cuda-dir=/usr/local/cuda
>   I suppose /usr/local/cuda is just a symbol link to /usr/local/cuda-11.4/
>   I don't know why this error
>       /usr/include/c++/11/cmath:45:15: fatal error: math.h: No such file
> or directory
>   To know whether it was because petsc did not configure Kokkos correctly,
> or there was something wrong with your environment,  you can download
> Kokkos and install yourself to see if you can succeed.  Make sure
> /usr/local/cuda-11.4/bin/nvcc on your $PATH.
>
>   For example, I download kokkos under my $HOME and install to
> $HOME/tmp/kokkos
>
> $ cd $HOME
> $ git clone https://github.com/kokkos/kokkos.git
> $ cd kokkos
> $ mkdir build
> $ cd build
> $ cmake ../ -DCMAKE_INSTALL_PREFIX=$HOME/tmp/kokkos
> -DCMAKE_CXX_COMPILER=g++ -DKokkos_ENABLE_SERIAL=ON -DKokkos_ENABLE_CUDA=ON
> -DKokkos_ARCH_VOLTA75=ON -DKokkos_ENABLE_CUDA_LAMBDA=ON
> -DCMAKE_CXX_STANDARD=17
> $ make -j install
>
> --Junchao Zhang
>
>
> On Sun, Nov 14, 2021 at 10:15 AM Ted Kord <teddy.kord at gmail.com> wrote:
>
>> Dear all
>>
>> I am trying to install PETSc with Kokkos and with the CUDA option but I
>> keep getting the following error:
>>
>> "UNABLE to CONFIGURE with GIVEN OPTIONS    (see configure.log for
>> details):
>>
>> -------------------------------------------------------------------------------
>> Could not find a CUDA compiler. Please set with the option --with-cudac
>> or -CUDAC and load the config.compilers module.
>> "
>> 'nvcc' is on my path and works fine.
>>
>> I have also tried specifying --with-cudac=/usr/local/cuda/bin/nvcc still
>> with the same error.
>>
>> This is my 'configure line:'
>>
>> ./configure --download-openmpi --download-kokkos-kernels
>> --download-kokkos-kernels-shared=1 --download-kokkos --with-cuda=1
>> --with-cudac=/usr/local/cuda/bin/nvcc --with-cuda-dir=/usr/local/cuda
>> --download-viennacl --download-fblaslapack --download-adios-shared=1
>> --download-hdf5 --download-hdf5-shared-libraries=1 --download-adolc
>> --download-colpack --download-hypre --download-hypre-shared=1
>> --download-codipack --download-metis --download-slepc --download-libceed
>> --download-eigen --download-parmetis --download-ptscotch --download-mumps
>> --download-scalapack --download-hwloc --download-pastix
>> --download-random123 --download-suitesparse --download-superlu
>> --download-superlu-shared=1 --download-superlu_dist
>> --download-superlu_dist-shared=1 --download-trilinos
>> --download-trilinos-shared=1 --download-ml --download-ml-shared=1
>> --download-fftw --download-fftw-shared=1 --download-gsl --download-magma
>> --download-radau5 --download-sundials2 --download-tchem
>>
>>
>> --
>> Best regards,
>>
>> Theodore
>>
>>

-- 
Best regards,

Theodore
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