From ebf517e825cbc6d36874f84cc3292e7fe2448cfd Mon Sep 17 00:00:00 2001
From: Tj Holowaychuk <tj@vision-media.ca>
Date: Fri, 17 Sep 2010 17:49:47 -0700
Subject: [PATCH] Started ./bench.js

---
 bench.js | 45 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 bench.js

diff --git a/bench.js b/bench.js
new file mode 100644
index 0000000000..6b8874d57b
--- /dev/null
+++ b/bench.js
@@ -0,0 +1,45 @@
+
+/**
+ * Module dependencies.
+ */
+
+var redis = require('./index')
+  , fs = require('fs');
+
+var client = redis.createClient()
+  , path = '/tmp/redis-bench'
+  , times = 20000;
+
+client.on('connect', function(){
+  try {
+    var prev = JSON.parse(fs.readFileSync(path, 'ascii'));
+  } catch (err) {
+    var prev = {};
+  }
+  benchmark(prev, {});
+});
+
+function benchmark(prev, curr) {
+  var n = times
+    , start = new Date;
+  console.log('\n  %d:', times);
+  while (n--) client.lpush('list', 'foo');
+  client.lpush("list", "bar", function(err, res) {
+      curr.lpush = new Date - start;
+      report(prev, curr);
+  });
+}
+
+function report(prev, curr) {
+  for (var label in curr) {
+    var p = prev[label] || 0
+      , c = curr[label]
+      , col = c > p ? 31 : 32;
+    console.log('    \x1b[' + col + 'm%s\x1b[0m:', label);
+    console.log('      \x1b[33mprev\x1b[0m: %d ms', p);
+    console.log('      \x1b[33mcurr\x1b[0m: %d ms', c);
+  }
+  fs.writeFileSync(path, JSON.stringify(curr), 'ascii');
+  console.log();
+  client.end();
+}
\ No newline at end of file