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My app’s animations are a little sluggish when I test it on my device (it runs fine in the simulator). I have some suspicions about the cause, but before I start tuning I would like to be able to benchmark where I’m starting from, and repeat similar tests after each change.
What should I be measuring, and how? It feels like the frames per second would be the most useful measure for what I’m experiencing, but I’m not really sure where to start.
Use Instruments. You can launch it directly from Xcode using Product -> Profile (Command-I).