[petsc-users] Kokkos error at NERSC

[Junchao Zhang]

Hi, Mark,
  It is because in configure check of CUDA, we compile conftest.cc (which
includes kokkos headers) with mpicxx. Kokkos complains it was configured
with cuda but now is not compiled with cudac.

  A workaround is in kokkos.py and kokkos-kernels.py, comment out lines as
follows, to disable the check.
#self.includes = ['Kokkos_Macros.hpp']

--Junchao Zhang


On Fri, Apr 23, 2021 at 1:59 PM Mark Adams <mfadams at lbl.gov> wrote:

> I had Kokkos working here but I seemed to have broken it:
>
> global/homes/m/madams/petsc/arch-cori-gpu-opt-kokkos-gcc/include/setup/Kokkos_Setup_Cuda.hpp:54:2:
> error: #error "KOKKOS_ENABLE_CUDA defined but the compiler is not defining
> the __CUDACC__ macro as expected"
>  #error \
>
> Any ideas?
>
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