3 ms·its incredibly slow on my mbpr with chrome 27.by pplante 13y agoits incredibly slow on my mbpr with chrome 27.orbitur 13y agoRuns just fine here on a regular mid-2012 MBP15. I can see one thread/core is working full time, but the animation is buttery smooth.EGreg 13y agoYep! Macs rule now :)