Re: cpu at 99% by firefox

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On 08/02/2015 08:53 PM, Chris Murphy wrote:
Since the Flash remote kill happened a few weeks ago by Mozilla and
Google, I purged all Flash including manually disabling the built-in
plugin in Chrome. But within days, I found that site have escalated
their migration to HTML5 video and I've noticed two things. a.) these
sites use more CPU than they did before with Flash. b.) they
automatically play video, including ads in the margin, and I have
found no way to disable this behavior such that I get the equivalent
behavior I did with the Flash Block plugin.

As for the first problem, I'm gonna guess that HTML5 video codec is
not yet, or as well, GPU optimized as Flash was. And the second, I
don't know but it really has me in an incredibly foul mood because I'm
actually wishing for Flash to come back just so I can block video. It
even happens on my phone running Cyanogenmod, and it basically just
chokes to death.



----
Chris Murphy
My suspicion is that it is not html5.
I say this because, even though I was cruising youtube,
I was not playing anything. Furthermore, I used an addon
to block all ads, so I had no animated ads, nor any ads
on the pages. So, I am puzzled about what is eating the
cpu bandwidth. I wish there were away for the user to
view all the JS directives that FF receives from the web sites
so we can know exactly what it is doing. We  need to
able to exercise total control over what the browser is
doing on behalf the websites we visit.

When I killed FF, cpu usage went down to 2%.

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