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timer: change new Date to Date.now for performance

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Speeds up benchmark/settimeout.js by about 30%.
This commit is contained in:
Shigeki Ohtsu 2012-07-11 02:39:41 +09:00 committed by Ben Noordhuis
parent f210530f46
commit 76104f3414
1 changed files with 4 additions and 4 deletions
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8
lib/timers.js
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@ -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);
}
}