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Opera 9.50 (Kestrel) Build 9864 Beta


Zeus_Hunt

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Opera.pngThe most full-featured Internet power tool on the market, Opera includes pop-up blocking, tabbed browsing, integrated searches, and advanced functions like Opera's groundbreaking E-mail program, RSS Newsfeeds and IRC chat. And because we know that our users have different needs, you can customize the look and content of your Opera browser with a few clicks of the mouse.

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Painting performance fixes

This week we've been working on performance on Windows and Mac painting. You should see performance increase by 2x to 10x on heavy DHTML pages. Performance increase depend on the test page, graphics card, and OS used. To see the improvements for yourself, compare the previous snapshot to today's release on the following test cases:

Performance test 1

Performance test 2

Under XP, with a AMD 4600+ X2 CPU and a NVidia 7600 GT gfx card, I see a 9x performance increase. On other graphics cards and OSes, the performance improvement will differ.

It's worth noting that this optimization is in painting performance and might not yield similar improvements on regular web pages without DHTML or other graphics intensive operations. We have also done some performance optimizations in Javascript garbage collection and memory allocation of ECMAscript objects, which should be visible on all platforms.

Performance improvement is noticeable on many pages!

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