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[BitTech] Intel boosts JavaScript with River Trail release - Page 2

post #11 of 13
Quote:
Originally Posted by Nope oO View Post

They do use separate threads for a couple of things but the renderer is still all done on a single thread. When you load a Javascript intensive page the whole browser locks up. This is a good example: http://eve-kill.net/?a=kill_related&kll_id=9774455
Supposedly they're going to work on electrolysis again at the end of this year.
http://arewefastyet.com/

Is that first link supposed to slow down my computer? It didn't affect my work laptop at all (i5 2520M/4gb ram)...took a while for the page to load but all of my other tabs were still fully functional and responsive.
post #12 of 13
Quote:
Originally Posted by Nope oO View Post

Firefox still hasn't separated the browser process from the tabs though, so you'll see huge slowdowns after a couple hours of using FF and have to restart the browser.

I don't understand this argument. Firefox runs fine for me. Why do you 300 tabs open all at once for 18+ hours. I mean, really?
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post #13 of 13
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Originally Posted by hajile View Post

Rendering the page isn't the same as running JS. The page you pointed to did impact responsiveness on my computer (like you said it would), but it did with noscript blocking the JS from running which means that the 28,000 lines of non-javascript code is both a little excessive and the site is poorly designed. This doesn't mean that Firefox has any excuse for stalling the UI, but it does mean that poor code will run poorly.

Yeah, Chrome has no problem blowing through that. The site may not be optimized but if you use Chrome you wouldn't even notice a problem. It's something that happens quite a bit, not just on that website. I'll try and find the blog post from Mozilla about rendering on it. edit: found a quote I saved:
Quote:
There’s a basic problem with the web. The DOM is single-threaded. JavaScript, how CSS is resolved, and how objects are added and removed from the content model all assume that there’s a single view for a document.

This doesn’t mean that we don’t use threads throughout the browser. The networking stack, image decoding, much of our I/O, video and audio decoding and all kinds of other things are threaded and off the main loop of the browser. But the content itself is required to be single threaded.
http://blog.mozilla.org/products/2011/07/15/goals-for-multi-process-firefox/

I have a laptop that has a 5400RPM drive and only 4GB of RAM. Firefox handles memory usage and cache so badly that just a quick scroll through reddit causes switching between tabs to becomes painful(never try tabbing back to a 20 page long tab on reddit unless you like torturing yourself) I have an SSD in it for now and responsiveness is still very bad compared to Chrome. Chrome on the other hand, doesn't have the same slowdown even with a 6GB swapfile in use and memory maxed out. Opera doesn't have the same slow downs as Firefox after a couple hours of use either. They really need to get working on improving responsiveness rather than gimmicky social media integration stuff.
Edited by Nope oO - 9/14/12 at 7:42pm
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