Good news for all Firefox users, especially those running the latest Nightly builds of Firefox 9 or those planning to upgrade to the new version of the web browser once it becomes available in other Firefox release channels.
Type inference now refers to an algorithm that is automatically deducting the type of an expression.
On my machine, TI takes our Kraken score from about 4900 to about 3400, a 1.44x speedup. And on V8-v6, our score goes from about 5000 to about 6600, a 1.3x speedup.
Sebastian Anthony over at Extreme Tech did some measuring of his own and came to the conclusion that the performance gains depend largely on the benchmark used. He noticed performance improvements between 15% to 30% in benchmarks on a Intel i7 930 processor with 6 Gigabytes of RAM and a fairly speedy Nvidia GTX 460 video card.
Interested users can download the latest Mozilla Central release with type inference enabled from the official Mozilla ftp server. The next Firefox channel to get type inference is Firefox Aurora, which is going to be released on September 27. Firefox Beta will get the feature on November 8, and the stable channel on December 20.
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