From 3dc92f7b54b9108559e334c2fbd09cbe1eefdfe9 Mon Sep 17 00:00:00 2001
From: gobwas <gobwas@gmail.com>
Date: Wed, 24 Feb 2016 00:49:41 +0300
Subject: [PATCH] benchmarking script

---
 bench.sh | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100755 bench.sh

diff --git a/bench.sh b/bench.sh
new file mode 100755
index 0000000..5264052
--- /dev/null
+++ b/bench.sh
@@ -0,0 +1,25 @@
+#! /bin/bash
+
+bench() {
+    filename="/tmp/$1-$2.bench"
+    if test -e "${filename}";
+    then
+        echo "Already exists ${filename}"
+    else
+        backup=`git rev-parse --abbrev-ref HEAD`
+        git checkout $1 &>/dev/null
+        echo -n "Creating ${filename}... "
+        go test ./... -run=NONE -bench=$2 > "${filename}" -benchmem
+        echo "OK"
+        git checkout ${backup} &>/dev/null
+    fi
+}
+
+
+to=$1
+current=`git rev-parse --abbrev-ref HEAD`
+
+bench ${to} $2
+bench ${current} $2
+
+benchcmp $3 "/tmp/${to}-$2.bench" "/tmp/${current}-$2.bench"