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Murphy's Law: Is a Firefox 3.5 Really That Fast?

David Murphy — Wed, 01 Jul 2009 12:45:58 -0500

Happy day-after-Firefox-release day. If you're one of the 3.2 million Americans to download the latest release of the browser as of this column's writing, congratulations. You, like your peers, have recognized the value of upgrading to faster and better technology products! If that sounds weird, that's the point. It should. According to Net Applications, around twenty percent of users (out of a survey sample of around 160 million people) still use an older version of a Web browser, be it Internet Explorer 6, Firefox 2, or either Safari 3.1 or 3.2. You are not among them; I salute thee.

You've probably read a lot of marketing in the last 24 hours about how fast, awesome, and packed-full of features the new Firefox 3.5 release is. Since you've had a chance to play with the release candidate of this latest upgrade starting in early June, this shouldn't come as much of a surprise. But let's cut through the press release and examine the real facts: Just how much faster is Firefox 3.5 over its browser brethren? Has Mozilla's newest TraceMonkey JavaScript engine delivered a princess or a barrel?

Yes and no.

If we're just considering a Firefox-only universe then, yes, the browser's performance is quite an improvement over its predecessor 3.0.11 release. You can partially thank Adobe for that. Mozilla interwove the company's just-in-time compiler nanojit, released as open-source in 2006, alongside a new tracing system to create Firefox's new JavaScript engine. Without getting too technical, the tracing engine streamlines Firefox's operations by recording the path that frequently accessed JavaScript code takes through an interpreter. It then compiles this trace into native code, which can be called up and duplicated faster than passing the code through the interpreter once again.

The industry-standard SunSpider JavaScript benchmark attempts to highlight differences in browser performance by running through a series of real-world use patterns. More than that, the program runs through enough iterations of the tests to calculate a measurement of the run's statistical significance--a determination of the accuracy of your results and their validity for real-world comparisons. Using this very benchmark, Harry McCracken of Technologizer notes that Firefox 3.5 delivers a performance improvement that's 2.4 times faster than Firefox 3.0.11. But Google's Chrome 2.0 beta takes the cyber-cake in the end, just squeaking by Mozilla's masterpiece on the benchmark charts.

(+1) Google Chrome

Samara Lynn from ChannelWeb ran her own SunSpider browser evaluation, sticking to Google Chrome, Firefox 3.5, and Internet Explorer 8. Her numbers gave Chrome an advantage of nearly 600 milliseconds, or a 39 percent decrease in time from Firefox 3.5 to Chrome. Internet Explorer 8 sank to the bottom of the listing as if it had a rock tied around its status bar, delivering a time of 8,131.8 milliseconds to Chrome's 924.2 (lower is better).

So who's right? Lynn? McCracken? TGDaily, which puts Chrome's time at 628.4 milliseconds (a 48 percent decrease compared to Firefox 3.5)? Nobody and everybody. While the rankings between the browsers remain the same within these three sites, as well as my own personal comparisons of Firefox and Chrome in SunSpider, the numbers vary depending on the system setup. That makes it a little difficult to decide the close races, especially since TGDaily has Chrome beating out Safari by roughly 60 milliseconds. At least we can all agree that Chrome is faster than Firefox 3.5, right?

(+1) Google Chrome

A similar situation occurs on Futuremark's Peacekeeper browser benchmark. Although TGDaily claims that Chrome won't run it, both Lynn and I received scores when running the program through Google's browser. She has Chrome beating out Firefox 3.5 by a score of 2747 to 1843, a 49 percent speed increase from Firefox 3.5 to Chrome. I found a 55 percent increase in performance on my own benchmark run, with Chrome overtaking Firefox 3.5 to the tune of 3,073 to 1,978. Just for the sake of a good joke, Lynn pegs Internet Explorer's performance on this test at a whopping 675. That's not even half of her recorded score for Firefox.

(+1) Google Chrome

Just to throw one more benchmark in for good measure--because I don't exactly trust Google's Chrome V8 benchmark that suggests Chrome is nine times faster than Firefox 3.5--TG Daily ran one of my favorite evaluations that tests Flash performance in a browser. The run, called Le Crabe, measures how many individual animations your screen can hold before the frames-per-second score dips below a particular amount (25). On this, Firefox 3.5 crushed the competition, holding out for 636 total crabs on TG Daily's setup to Google Chrome's 241. Stranger still, even Internet Explorer itself pulled out of dead last to deliver an impressive second-place performance amongst Firefox 3.5, Safari, and Chrome.

(+1) Firefox 3.5

You made it this far--so which browser is faster? Eh. To really get a sense of how your browser performs, you have to factor in more than just the JavaScript benchmark numbers. What's the memory use of the browser? What kind of content exists on the sites are you hitting up? What's your Internet connection? While these benchmarking tools have allows us to legitimize the differences between Firefox's versions on a functional level, and help highlight the various browsers' abilities in certain areas of rendering, there's no clear-cut winner based on the numbers. After all, it's difficult to weigh certain performance aspects over others. And as you've seen, individual performance characteristics can vary greatly depending on the testing platform. Browser benchmarks are great for comparing version performance--for a big-picture guide, there's just so much more to consider.

Speed up your geek involvement by befriending David Murphy @acererak. He's three-point-five times as fast a twitterer as any other geek, save perhaps Nathan.

Mozilla Prepares Firefox 3.5 for Possible Tuesday Release

Justin Kerr — Sun, 28 Jun 2009 11:52:46 -0500

Betanews claims to have confirmed the official release date of Firefox 3.5, and if correct, it could be as early as Tuesday June 30th. Once out of beta, everyone will have the opportunity to test out a stable version of Firefox’s new TraceMonkey JavaScript engine. Early tests of the public beta have been impressive, and have pegged TraceMonkey performance at over 200 per cent faster than the previous version, Firefox 3.0.11. These same tests showed both Safari 4 and the Chrome 3 leaving Firefox 3.5 in the dust, but it’s a bit early to jump to conclusions until we can compare the released version of all three browsers side by side. Until then, check out our in-depth preview of the Firefox 3.5 RC.

Mozilla is also hoping that Firefox 3.5 will help them champion the open HTML5 standard, and start putting a dent in proprietary video technologies such as Adobe Flash or Windows Media. HTML5 has seen a lot of support from third party browser developers lately, and could prove to be a very capable and flexible alternative. “Somebody has to take a stand” said Mozilla senior platform engineer Damon Sicore. "Somebody has to put open video on the Web. It's important that these formats are unencumbered. We feel that it's something that's in our mission that we have to do to keep them moving forward, in keeping the Web open."

Have you been playing with the Beta or RC version of Firefox 3.5, or do you like to wait for the final release?

Rumor: Firefox 3.5 to be Released by End of Month

Paul Lilly — Wed, 17 Jun 2009 14:40:41 -0500

In just a couple of days, Mozilla will make available a release candidate (RC) for its upcoming Firefox 3.5 browser, and according to Pocket-Lint.com, a final version is expected by the end of the month.

Firefox 3.5 -- which trails in release behind Microsoft's Internet Explorer 8 and Apple's Safari 4 -- sports a number of improvements, over 5,000 according to Mozilla. Some of the more notable features include private browsing, a faster rendering engine, geolocation functionality, and better tab management.

Already looking ahead, Mozilla's next browser, currently codenamed Namoroka, will take a page from Google's Chrome and utilize process isolation features. There will also be a 64-bit version of Firefox for OSX users.

Firefox 3.1 is Now Firefox 3.5, Another Beta on the Way

Paul Lilly — Wed, 11 Mar 2009 09:28:03 -0500

After several delays, we were beginning to wonder if Firefox 3.1 would ever see the light of day beyond a beta release, and as it turns it out, it's not going to. Instead, Mozilla has renamed the once 'fast-track' update to 3.5 with a fourth beta scheduled for April 14, 2009.

"The increase in scope represented by TraceMonkey and Private Browsing, plus the sheer volume of work that's gone into everything from video and layout to places and the plugin service make it a larger increment than we believe is reasonable to label ".1". 3.5 will help set expectations better about the amount of awesome that's packed into Shiretoko," said Mike Shaver, Mozilla's engineering VP.

Shaver went on to say that the version change to 3.5 is indicative of the current scope and not intended to represent a significant increase 3.5's current make-up.

Still no word on when the next version of Firefox will go Gold, though if we had to guess, we'd say either May or June of this year.