Seriously, this is how everyone can avoid the next Superfish.
The team has been working on addressing this; here are some cases that have recently been improved on trunk:
Before: Renderers for background tabs had the same priority as for foreground tabs.
Now: Renderers for background tabs get a lower priority, reducing idle wakeups on various perf test, in some cases by significant amounts (e.g. 50% on one test).
Before: On a Google search results page, using Safari's user agent to get the same content that Safari would, Chrome incurs ~390 wakes over 30s and 0.3% CPU usage vs. Safari’s 120 wakes over 30s and 0.1% CPU usage.
Now: 66% reduction in both timer firings and CPU use. Chrome is now incurring ~120 wakes over 30s and 0.1% CPU use, on par with Safari.
Before: On capitalone.com, Chromium incurs ~1010 wakeups over 30s vs. Safari's ~490 wakes.
Now: ~30% reduction in timer firings. Chrome is now incurring ~721 wakeups over 30s.
Before: On amazon.com, Chromium incurs 768 wakups over 30s and consumes ~0.7% CPU vs. Safari's 312 wakes over 30s and ~0.1% CPU.
Now: ~59% reduction in timer firings and ~70% reduction in CPU use. Chrome is now incurring ~316 wakeups over 30s, and 0.2% CPU use, on par with Safari at 312 wakes, and 0.1% CPU use.
The Chrome team has no intention of sitting idly by (pun intended) when our users are suffering. You should expect us to continually improve in this area.
If that ever happens, it's a very, very long ways away.
Yes, it is awesome, and you do want it, and PCs will be getting it soon.
- PCWorldColumnist & Contributor, 2012 - present
- How-To GeekWriter, 2011 - present
- Freelance Tech Writer2010 - present
- MakeUseOfWriter, 2011 - 2014
- MakeUseOfNewsletter Editor, 2012 - 2014
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