[Qt-interest] QtWebKit vs. Safari Javascript Performance

[Sylvain Pointeau]

Very good question !!!!I am very interested to know as well

Cheers,
Sylvain

On Thu, Aug 20, 2009 at 3:13 AM, Michael Vernick <michael at giantface.com>wrote:

> I recently created a simple Qt program that employs a QWebView for
> rendering Web pages.  I compared the performance of the QWebView enabled
> program vs. the Safari browser running the Sunspider Javascript
> benchmark. (http://www2.webkit.org/perf/sunspider-0.9/sunspider.html)
> This is on Windows.
>
> Since Safari and QWebView both use the WebKit engine, I would have
> thought that the Javascript performance would be similar.  Safari,
> however, runs the benchmark about 5 times faster than the Qt program.
>
> Can someone enlighten me on why Safari would be so much faster?  Do they
> have different Javascript engines?  Am I missing some kind of
> optimization in Qt? (I created the program in Qt Creator, and made sure
> I compiled the 'release' version).
>
> Thanks,
>
> mv
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