From 32e6d583568a3ca95df43fb28f970a24ec4c1e6d Mon Sep 17 00:00:00 2001
From: Ed Bennett <e.j.bennett@swansea.ac.uk>
Date: Wed, 22 Dec 2021 16:07:59 +0000
Subject: [PATCH] use accelerator for setCheckerboard in RHMC

---
 .../action/pseudofermion/EvenOddSchurDifferentiable.h  | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/Grid/qcd/action/pseudofermion/EvenOddSchurDifferentiable.h b/Grid/qcd/action/pseudofermion/EvenOddSchurDifferentiable.h
index 0d74a560..c3bb8fd5 100644
--- a/Grid/qcd/action/pseudofermion/EvenOddSchurDifferentiable.h
+++ b/Grid/qcd/action/pseudofermion/EvenOddSchurDifferentiable.h
@@ -86,8 +86,13 @@ public:
     assert(ForceE.Checkerboard()==Even);
     assert(ForceO.Checkerboard()==Odd);
 
+#if defined(GRID_CUDA) || defined(GRID_HIP)  || defined(GRID_SYCL)
+    acceleratorSetCheckerboard(Force,ForceE);
+    acceleratorSetCheckerboard(Force,ForceO);
+#else
     setCheckerboard(Force,ForceE); 
     setCheckerboard(Force,ForceO);
+#endif
     Force=-Force;
 
     delete forcecb;
@@ -130,8 +135,13 @@ public:
     assert(ForceE.Checkerboard()==Even);
     assert(ForceO.Checkerboard()==Odd);
 
+#if defined(GRID_CUDA) || defined(GRID_HIP)  || defined(GRID_SYCL)
+    acceleratorSetCheckerboard(Force,ForceE);
+    acceleratorSetCheckerboard(Force,ForceO);
+#else
     setCheckerboard(Force,ForceE); 
     setCheckerboard(Force,ForceO);
+#endif
     Force=-Force;
 
     delete forcecb;