[Webkit-unassigned] [Bug 132588] support for navigator.cores or navigator.hardwareConcurrency

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=132588





--- Comment #12 from Brady Eidson <beidson at apple.com>  2014-05-06 12:05:58 PST ---
(In reply to comment #11)
> (In reply to comment #5)
> > (In reply to comment #4)
> > > My turn to chime in.
> > > 
> > > - Reiterating the fingerprinting problem that's already been mentioned that we have no response to.
> > > - "Number of physical cores" does not correlate to the number of simultaneous tasks supporter
> > > - "Number of physical cores" does not correlate to computing resources currently available.
> > > 
> > 
> > I believe that they want the equivalent of hw.availcpu which isn't what either of your bullets tell you. 
> 
> If it is meant to adapt to dynamically changing system load, is there a notification API to tell the page when the value has changed?

Note that if this value *does* dynamically change, and we added a fudge factor, that would likely solve the fingerprinting concern.

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