From e23d565fd2747b3eb8a8afa20b4178bf22e463b0 Mon Sep 17 00:00:00 2001
From: Stefano Pigozzi <me@steffo.eu>
Date: Wed, 16 Nov 2022 17:39:09 +0100
Subject: [PATCH] Create `bench` target for calculating the average of 9 runs

---
 OpenMP/linear-algebra/kernels/atax/.bench.sh | 14 ++++++++++++++
 OpenMP/linear-algebra/kernels/atax/Makefile  |  2 +-
 2 files changed, 15 insertions(+), 1 deletion(-)
 create mode 100755 OpenMP/linear-algebra/kernels/atax/.bench.sh

diff --git a/OpenMP/linear-algebra/kernels/atax/.bench.sh b/OpenMP/linear-algebra/kernels/atax/.bench.sh
new file mode 100755
index 0000000..b79e6c0
--- /dev/null
+++ b/OpenMP/linear-algebra/kernels/atax/.bench.sh
@@ -0,0 +1,14 @@
+#!/bin/bash
+
+runs=9
+totalt=0.0
+
+for i in $(seq $runs)
+do
+    exet=$(./atax_acc)
+    totalt=$(awk "BEGIN{print $totalt+$exet}")
+    echo " Run #$i: $exet seconds"
+done
+
+avgt=$(awk "BEGIN{print $totalt/$runs}")
+echo "Average: $avgt seconds"
diff --git a/OpenMP/linear-algebra/kernels/atax/Makefile b/OpenMP/linear-algebra/kernels/atax/Makefile
index b0afc30..96c7b77 100644
--- a/OpenMP/linear-algebra/kernels/atax/Makefile
+++ b/OpenMP/linear-algebra/kernels/atax/Makefile
@@ -21,4 +21,4 @@ MAKEFLAGS+= --silent
 
 bench:
 	make clean all
-	./atax_acc
+	./.bench.sh