From 76104f3414f10bd5df1aa8cdc69cff9f73e64b9d Mon Sep 17 00:00:00 2001
From: Shigeki Ohtsu <ohtsu@iij.ad.jp>
Date: Wed, 11 Jul 2012 02:39:41 +0900
Subject: [PATCH] timer: change new Date to Date.now for performance

Speeds up benchmark/settimeout.js by about 30%.
---
 lib/timers.js | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/lib/timers.js b/lib/timers.js
index 9e2336d058b..f906a4283b8 100644
--- a/lib/timers.js
+++ b/lib/timers.js
@@ -51,7 +51,7 @@ var lists = {};
 // the main function - creates lists on demand and the watchers associated
 // with them.
 function insert(item, msecs) {
-  item._idleStart = new Date();
+  item._idleStart = Date.now();
   item._idleTimeout = msecs;
 
   if (msecs < 0) return;
@@ -71,8 +71,8 @@ function insert(item, msecs) {
     list.ontimeout = function() {
       debug('timeout callback ' + msecs);
 
-      var now = new Date();
-      debug('now: ' + now);
+      var now = Date.now();
+      debug('now: ' + (new Date(now)));
 
       var first;
       while (first = L.peek(list)) {
@@ -155,7 +155,7 @@ exports.active = function(item) {
     if (!list || L.isEmpty(list)) {
       insert(item, msecs);
     } else {
-      item._idleStart = new Date();
+      item._idleStart = Date.now();
       L.append(list, item);
     }
   }