Adding AlbanyLaunchBounds to control Kokkos Launch Bounds configurations for GPU kernel optimization #1126
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…ons for GPU kernel optimization
jewatkins
approved these changes
May 16, 2025
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By adding AlbanyLaunchBounds, we can control the default behavior of Kokkos launchbounds for AMD GPUs.
We found that by using Kokkos::LaunchBounds<128,2> on AMD MI250X GPUs, we could improve performance of the StokesFOResid-Jacobian kernel by 1.54x