Compile on Gaya

This page gathers the steps to compile a program with Kokkos and Feel++ on the cluster Gaya.

The code can be compiled either with the ROCM support (to run on the GPU) or without it. On this page, we present the two methods.

1. Load the spack environment

To compile a program with Kokkos and Feel++ on Gaya, you need to load the spack environment.

source /data/cemosis/spack/share/spack/setup-env.sh (1)
spacktivate feelpp-openmpi4-rocm-kokkos (2)
spacktivate feelpp-openmpi4-kokkos (3)

1	Setup the bash environment, and load spack commands.
2	Load the environment with ROCM support.
3	Load the environment without ROCM support.

2. Set-up CMake

cmake --preset feelpp-clang-cpp20-spack-rocm-kokkos-none-release (1)
cmake --preset feelpp-clang-cpp20-spack-kokkos-none-release (2)

1	Set-up the CMake configuration with ROCM support.
2	Set-up the CMake configuration without ROCM support.

3. Compile the code

cmake --build --preset feelpp-clang-cpp20-spack-rocm-kokkos-none-release [-t <TARGET_NAME>]
cmake --build --preset feelpp-clang-cpp20-spack-kokkos-none-release [-t <TARGET_NAME>]

(or make indie the corresponding build directory)

4. Execute the code

If you compiled the code with ROCM support, you need to execute it on a GPU node, namely gaya-gpu.