The Time Profiler is our starting point to get insights in which part of the code can be optimized.Ĭreating a new recording using the Time Profiler instrumentĪfter selecting the Time Profiler Instrument we can start a new recording by pressing the red button on the top left or by using ⌘ + R. ![]() In the Collect app performance example, we had the goal to speed up the flow of adding content to our app. The better this part in your app is, the better your app is performing. The Time Profiler instrument gives insights into the system’s CPUs and how effective multiple cores and threads are used. Using the Xcode Instruments Time Profile to investigate and improve the performance A physical device will show more realistic results and is therefore recommended to be used. You might end up in an issue which can be perfectly solved by one of the available instruments.Īlthough most of the instruments can be run on the simulator it’s not always recommended to do so. It is worth though to dive into the available instruments and to know which ones are available. Some of them, like the Game Performance instrument, is only valuable if you’re developing games. Each of them can be very valuable but they’re definitely not needed for every app. Xcode Instruments Overview Should I know how to use each instrument?Īn overview which shows 17 different instruments can be quite overwhelming. This will rebuild your product and opens the Xcode Instruments overview. You can access the instruments by using Product ➔ Profile from the Xcode menu for which the shortcut handle is ⌘ + I. ![]()
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