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JavaScript performance boost coming to Firefox 3.1

The Mozilla Foundation is hard at work on the next version of their web browser and one thing users can look forward to in version 3.1 is a significant JavaScript performance boost.

How big?

Pretty significant.

The JavaScript engine will “take JavaScript performance into the next tier” thanks to a new optimization technique called tracing which can produce performance gains to the order of 20 to 40 times in some cases.

Mozilla has adopted this new tracing technology and Adobe’s nanojit directly into the JavaScript interpreter that is used in Firefox 3 called SpiderMonkey.

(charts below courtesy of Ars Technica)


ars_javascript_01.jpg


ars_javascript_02.jpg

[Via Ars Technica]

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