From 36c2adfc81fba7f374be8051f6a6ef4102f764b0 Mon Sep 17 00:00:00 2001
From: Georg Hager <georg.hager@rrze.uni-erlangen.de>
Date: Tue, 12 Mar 2019 16:56:51 +0100
Subject: [PATCH] OpenMP Error fix

---
 Makefile  | 2 +-
 src/sum.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index d9603f4..728522f 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 # Supported: GCC, CLANG, ICC
-TAG = GCC
+TAG ?= GCC
 
 #CONFIGURE BUILD SYSTEM
 TARGET	   = bwbench-$(TAG)
diff --git a/src/sum.c b/src/sum.c
index 6a6698e..b31074b 100644
--- a/src/sum.c
+++ b/src/sum.c
@@ -36,7 +36,7 @@ double sum(
     double sum = 0.0;
 
     S = getTimeStamp();
-#pragma omp parallel for
+#pragma omp parallel for simd reduction(+:sum) 
     for (int i=0; i<N; i++) {
         sum += a[i];
     }