From 8c8473998df2ae7beb22d9bd188e6f6cadd7d5d9 Mon Sep 17 00:00:00 2001
From: paboyle <paboyle@ph.ed.ac.uk>
Date: Tue, 21 Mar 2017 22:29:51 -0400
Subject: [PATCH] Average over whole cluster the comm time.

---
 lib/stencil/Stencil.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/stencil/Stencil.h b/lib/stencil/Stencil.h
index d833c53b..479cd979 100644
--- a/lib/stencil/Stencil.h
+++ b/lib/stencil/Stencil.h
@@ -388,6 +388,7 @@ class CartesianStencil { // Stencil runs along coordinate axes only; NO diagonal
     RealD NP = _grid->_Nprocessors;
     RealD NN = _grid->NodeCount();
 
+    _grid->GlobalSum(commtime);    commtime/=NP;
     if ( calls > 0. ) {
       std::cout << GridLogMessage << " Stencil calls "<<calls<<std::endl;
       PRINTIT(halogtime);