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IE9’s “High Performance JavaScript Engine” and Benefits of GPU-powered HTML5

Internet Explorer 9 Platform Preview includes the first release of the new high performance JavaScript engine. In this webcast of Going Deep, we meet the team: Shanku Niyogi, Steve Lucco and John Montgomery. If you’re interested in how IE 9’s JavaScript engine works, then you’ll certainly enjoy this great conversation.

Also, this post “Benefits of GPU-powered HTML5” review major improvements for web developers and users that come from building on these Windows techs. “As IE9 does more work using GPU, there’s less CPU load, enabling other browser subsystems to do more, as well as enabling higher frame rates for smooth animation and video playback. IE9 uses GPU to scale images & other content, making zoomed browsing very fast – this’s what makes map zooming demo on ietestdrive.com so fast. IE9 makes most of your graphics hardware by using Windows Media Foundation system to play HTML5 video, using CPU or hardware video decoder if available. IE9 uses Windows Imaging Component (WIC) to decode PNG, JPEG and (new for IE9) TIFF and JPEG XR images. For a lot of uses, JPEG XR offers a good compression improvement over JPEG, allowing you to serve higher quality images at same file size. IE9 uses GPU (via DirectWrite) to do text output – up to twice as fast as IE8, and with higher quality. Text can be smoothly animated in IE9, and sub-pixel positioning is a more faithful representation of the Web (and font) designer’s intent,” reads the blog post.

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