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Lattice_reduction_gpu_cub: define GRID_REDUCTION_TIMING in header

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Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Peter Boyle
2026-05-18 14:54:08 -04:00
parent e12bc7f07c
commit fca2c5dba0
1 changed files with 2 additions and 0 deletions
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Grid/lattice/Lattice_reduction_gpu_cub.h
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@@ -52,6 +52,8 @@ NAMESPACE_BEGIN(Grid);
#if defined(GRID_CUDA) || defined(GRID_HIP)
#define GRID_REDUCTION_TIMING
// Direct CUB reduction on the full scalar_objectD.
// Only safe when sizeof(sobjD)*64 <= device sharedMemPerBlock.
// Do not call directly for large composite types (e.g. LatticePropagator).