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Update documentation with instructions on building Kokkos
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anagainaru committed Feb 22, 2023
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Expand Up @@ -37,7 +37,7 @@ When building ADIOS2 with CUDA enabled, the user is responsible with setting the
Building with Kokkos enabled
--------------------------

The Kokkos library can be used to enable GPU within ADIOS2. Based on how Kokkos is build, either the CUDA or HIP backend will be enabled. Building with Kokkos requires ``-DADIOS2_USE_Kokkos=ON``. The user is not responsible to set the ``CMAKE_CUDA_ARCHITECTURES`` since it will be detected from the Kokkos installation.
The Kokkos library can be used to enable GPU within ADIOS2. Based on how Kokkos is build, either the CUDA or HIP backend will be enabled. Building with Kokkos requires ``-DADIOS2_USE_Kokkos=ON``. The user is responsible to set the ``CMAKE_CUDA_ARCHITECTURES`` to the same architecture used when configuring the Kokkos library it links against.

.. note::
Kokkos version >= 3.7 is required to enable the GPU backend in ADIOS2
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