On Wed, May 7, 2014 at 2:57 PM, Benjamin Poulain <benja...@webkit.org>wrote:
> On 5/7/14, 2:47 PM, Oliver Hunt wrote: > >> >> On May 7, 2014, at 2:41 PM, Rik Cabanier <caban...@gmail.com> wrote: >> >>> >>> When would I as a user, not want a page or web application to be as fast >>> as possible? Has a user ever complained about a desktop app that uses too >>> many of his CPU's? I think Oliver's point was that other processes might >>> fight for the same CPU resources but that is not unexpected for users. >>> >> >> What happen if i go to your website while i'm doing something else in the >> background? What if i'm playing a game while waiting for my machine to do >> something else? What if your page is in the background? Or my battery is >> running low. >> >> You need to stop thinking in terms of a user wanting only one thing to >> happen at a time. >> > > +1 > > And there are actually many bug reports about native apps using too much > CPU when the user is not expecting it (simple tasks and/or the process is > not frontmost). If a simple task is using a lot of CPU, that is a bug and users will move to an application that is more efficient. If my calendar were to drain my battery, I would switch to a calendar app that doesn't do that. As for background tasks making foreground tasks slow, this is something that could be handled by the operating system/browser process (ie http://msdn.microsoft.com/en-us/library/windows/desktop/ms684828(v=vs.85).aspx ) Most users would expect that if one tab mines bitcoins, the tab that runs a game would be slower.
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