From 2cc07450f4ec7299543a46cebf3fd4138741473e Mon Sep 17 00:00:00 2001
From: Peter Boyle <paboyle@ph.ed.ac.uk>
Date: Thu, 5 Jul 2018 09:57:55 -0400
Subject: [PATCH] Fastest option for the dslash

---
 lib/simd/Grid_gpu_vec.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/simd/Grid_gpu_vec.h b/lib/simd/Grid_gpu_vec.h
index 9b18ecfa..3850e403 100644
--- a/lib/simd/Grid_gpu_vec.h
+++ b/lib/simd/Grid_gpu_vec.h
@@ -36,7 +36,7 @@ Author: Peter Boyle <paboyle@ph.ed.ac.uk>
 
 namespace Grid {
 
-#define COALESCE_GRANULARITY (32) // bytes for coalesce granularity of target: Pascal, Volta
+#define COALESCE_GRANULARITY (16) // bytes for coalesce granularity of target: Pascal, Volta
 
 template<class pair>
 class GpuComplex {