<div dir="ltr"><br><div class="gmail_extra">Starting Firefox in safe mode also disables the JIT compilers. You should try it with a fresh profile instead (I tend to use the -profile switch to make it use a specific directory).<br>
</div><div class="gmail_extra"><div class="gmail_quote"><br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">From: Brunoais <<a href="mailto:brunoaiss@gmail.com">brunoaiss@gmail.com</a>><br>
To: <a href="mailto:firefox-dev@mozilla.org">firefox-dev@mozilla.org</a><br>Cc: <br>Date: Sat, 27 Apr 2013 10:50:42 +0100<br>Subject: Is the current aurora (v.22) js engine slower than the current stable release (v.20)?<br>
Firefox 20 seems to be faster in some key situations where firefox 22 is way slower.<br>
Here's an example:<br>
<br>
<a href="http://jsperf.com/fastest-way-to-get-index-of-element-in-a-nodelist" target="_blank">http://jsperf.com/fastest-way-<u></u>to-get-index-of-element-in-a-<u></u>nodelist</a><br>
<br>
You may also see the charts for the current results.<br>
<br>
Is there any clue about why this is happening?<br>
<br>
Note: I'm using both browser instances in both -no-remote mode and in -safe-mode mode and with only 1 tab open.<br></blockquote></div></div></div>