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Set the CMAKE GPU architectures to what is used for Kokkos #3517

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merged 2 commits into from
Mar 2, 2023
Merged

Set the CMAKE GPU architectures to what is used for Kokkos #3517

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3cae7a3
Setting the CUDA architecture to what Kokkos is using
anagainaru Mar 2, 2023
e6a0702
Setting the HIP architecture to what Kokkos is using
anagainaru Mar 2, 2023
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12 changes: 10 additions & 2 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -173,11 +173,19 @@ if(ADIOS2_HAVE_CUDA OR ADIOS2_HAVE_Kokkos_CUDA)
set(CMAKE_CUDA_STANDARD 11)
set(CMAKE_CUDA_STANDARD_REQUIRED TRUE)
if(NOT DEFINED CMAKE_CUDA_ARCHITECTURES)
# Mininum common non-deprecated architecture
set(CMAKE_CUDA_ARCHITECTURES 52)
if(DEFINED Kokkos_CUDA_ARCHITECTURES)
set(CMAKE_CUDA_ARCHITECTURES Kokkos_CUDA_ARCHITECTURES)
else()
# Mininum common non-deprecated architecture
set(CMAKE_CUDA_ARCHITECTURES 52)
endif()
endif()
endif()

if(NOT DEFINED CMAKE_HIP_ARCHITECTURES AND DEFINED Kokkos_HIP_ARCHITECTURES)
set(CMAKE_HIP_ARCHITECTURES Kokkos_HIP_ARCHITECTURES)
endif()

if(ADIOS2_HAVE_MPI)
if(MPIEXEC_MAX_NUMPROCS LESS 4 AND "$ENV{OMPI_MCA_rmaps_base_oversubscribe}")
message(STATUS "OpenMPI oversubscribe detected: raising MPIEXEC_MAX_NUMPROCS to 4 for testing")
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