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Opera 10.5 Faster Java Script New Features

As you know that Opera Software announced a pre-alpha of Opera 10.5, with promises of more speed, and new/updated features. If you've not download it yet, plz 1st download latest Opera 10.5 Here. Here’s a rundown of what’s new, as is stated on the Opera Labs blog:

On the inside:
Carakan: The new JavaScript engine that has been in development, with promises of up to 7 times better performance in the SunSpider benchmark than with Opera 10.10 (depending on your hardware and software configuration, of course).Presto 2.5: The latest and greatest update to the Presto layout engine that Opera uses, which contains a huge amount of improvements. It also incluses support for CSS3 transitions and transforms, as well as more HTML5 features (such as persistent storage).

Vega: Opera’s new Vector Graphics Library. While Vega can be hardware accelerated, right now it is only doing software rendering, which apparently does not hurt it’s benchmark scores on Peacekeeper (although it is important to note that Futuremark’s Peacekeeper does not currently include the results of their complex graphics tests in the overall score).


On the outside:
Platform integration: On Windows 7/Vista, those of us with Areo enabled will now see Opera using the Areo interface, with the pretty transluceny. On MacOS, a complete rewrite in Cocoa brings a more Mac-like interface such as Unified Toolbar, native buttons and scrollbars, multi-touch gestures, and various other smaller improvements.

“Private tab” and “Private window”: Not only can you open a private window that forgets everything (history, cahce, etc) once it’s closed, but you can also do it with individual tabs.

Non-modal dialogs: What was formerly dialog boxes that wouldn’t allow you to click in the browser window and continue working are now overlays, similar to the way other browsers do it (although I feel it fits the interface better, and looks nicer). Now you can click the button at your liesure, and do whatever else you were planning on doing before you come back to it.

Address field and Search field improvements: Not only has the layout of the search and address bar suggestions been changed a bit, but new features have been added that allow you to remove items from history and even set searches to be remembered.

With all of these interesting improvements, we are left with a few questions. Firstly, just how much faster is the JavaScript engine compared to other browsers? How stable is this pre-alpha? Is site compatibility broken with both an updated Presto engine, and the new Carakan engine both in the same pre-alpha? Does Opera still pass Acid3?

Well, I took the liberty of hitting a couple of online benchmarks just to see what would happen. I did not do a proper series of tests, so don’t expect your own results to be the same, this was just a quick run to get an idea of where the new pre-alpha stands.

I ran Peacekeeper in Opera 10.5, SRWare Iron 3.0.197.0 (22047) (which is a somewhat faster version of Google Chrome), 64-bit Minefield 3.7a1 pre-alpha built on November 16th of 2009 (development build of Firefox in 64-bit which is more efficient on 64-bit operating systems), and Internet Explorer 8 with all updates applied. The operating system was Windows 7 Professional x64. The platform was VMware Player 3 with 1.5GB of RAM allocated to the guest operating system. The host operating system was running Windows 7 Professional x64, and the host computer has an AMD 64 FX-60 (socket 939) processor with 4GB of DDR RAM. The only resident software was VMware Tools (no anti-virus, no anti-spyware, no anti-malware, and nothing else running). Note that the JSBenchmark tests were run in the host operating system, using the same browser versions.

Below are the screenshots, but before you look at them, please note that your results will be different. I did not do a proper set of benchmarks, and these should not be used as definitive test results. Tests need to be run at least 10 times and the averages compared, and the files need to be loaded from your own hard drive and not run live off of the Internet. I did not do either of these, and thus the results of the tests are probably not entirely accurate.

Tests used: Futuremark’s Peacekeeper and JSBenchmark. Please have some fun, and run these tests yourself.

source:operawatch.com



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