From cf324b0fa10e734962071f067dc274aa256175b4 Mon Sep 17 00:00:00 2001
From: Peter Boyle <paboyle@ph.ed.ac.uk>
Date: Mon, 18 May 2026 14:54:08 -0400
Subject: [PATCH] Lattice_reduction_gpu_cub: define GRID_REDUCTION_TIMING in
 header

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
---
 Grid/lattice/Lattice_reduction_gpu_cub.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Grid/lattice/Lattice_reduction_gpu_cub.h b/Grid/lattice/Lattice_reduction_gpu_cub.h
index e104a6f2..6a732de4 100644
--- a/Grid/lattice/Lattice_reduction_gpu_cub.h
+++ b/Grid/lattice/Lattice_reduction_gpu_cub.h
@@ -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).