Firefox to get massive JavaScript performance boost

Mozilla is leveraging an impressive new optimization technique to bring a big performance boost to the Firefox JavaScript engine (and we are talking about 20 times more speed and more). The code was merged today but is not yet ready to be enabled by default in the nightly builds.

Read more: Firefox to get massive JavaScript performance boost

This page explains how to enable the new “compiler” in Firefox 3.1 latest Nightly Build.

But don’t expect too much from it yet for most standard Javascript/jQuery projects in Web browsers:

Right now there isn’t any tracing being done into DOM methods (only across pure-JavaScript objects) – but that is something that will be rectified. Being able to trace through a DOM method would successfully speed up, not only, math and object-intensive applications (as it does now) but also regular DOM manipulation and property access.

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One Response to “Firefox to get massive JavaScript performance boost”

  1. Google Chrome - A Fresh New Approach to Surfing « Hotware: Dirk’s Software Blog Says:

    […] javascript functions are much faster than IE7’s and still at least as fast as <a href=https://hotware.wordpress.com/2008/08/24/firefox-to-get-massive-javascript-performance-boost/>Firefox 3.01 Beta</a> with the new JIT compiler enabled, actually it feels […]


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