Google Says It’s Working to Improve Chrome’s Battery Efficiency on Mac
He listed several cases where the team was working to improve the Chrome user experience for OS X users. Some major changes include renderers for background tabs now get a lower priority which earlier had same priority as foreground tabs.
On a Google search results page, earlier Chrome suffered 390 wakes over 30s and used 0.3 percent CPU usage compared to Safari’s 120 wakes over 30s and just 0.1 percent CPU usage. Now, Kasting claims that there have been 66 percent reduction in both timer firings and CPU use. Chrome is claimed to incur now 120 wakes over 30s and 0.1 percent CPU usage.
While searching on Amazon.com, Chromium incurred 768 wakeups over 30s and consumed 0.7 percent CPU while Safari saw 312 wakes over 30s and saw just 0.1% CPU. Now, Kasting notes that Chrome has 59 percent reductions in timer firings and 70 percent reduction in CPU usage. “Chrome is now incurring 316 wakeups over 30s, and 0.2 percent CPU use, on par with Safari at 312 wakes, and 0.1 percent CPU use,” added Kasting