From cc753670d9abfc44602c447c62c14425beb8bbb5 Mon Sep 17 00:00:00 2001
From: Peter Boyle <paboyle@ph.ed.ac.uk>
Date: Tue, 4 Apr 2023 07:39:14 -0700
Subject: [PATCH] Barrier elimination, surface list build

---
 Grid/stencil/Stencil.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Grid/stencil/Stencil.h b/Grid/stencil/Stencil.h
index 92c229ab..5c70848f 100644
--- a/Grid/stencil/Stencil.h
+++ b/Grid/stencil/Stencil.h
@@ -348,7 +348,7 @@ public:
   ////////////////////////////////////////
   // Stencil query
   ////////////////////////////////////////
-#ifdef SHM_FAST_PATH
+#if 1
   inline int SameNode(int point) {
 
     int dimension    = this->_directions[point];
@@ -434,7 +434,6 @@ public:
   ////////////////////////////////////////////////////////////////////////
   void CommunicateBegin(std::vector<std::vector<CommsRequest_t> > &reqs)
   {
-    accelerator_barrier();
     for(int i=0;i<Packets.size();i++){
       _grid->StencilSendToRecvFromBegin(MpiReqs,
 					Packets[i].send_buf,
@@ -708,6 +707,7 @@ public:
 	}
       }
     }
+    std::cout << "BuildSurfaceList size is "<<surface_list.size()<<std::endl;
   }
   /// Introduce a block structure and switch off comms on boundaries
   void DirichletBlock(const Coordinate &dirichlet_block)