Profiling with Instruments
Use the SwiftUI instrument to find hot spots.
Measure Before You Tune
Guessing where an app is slow wastes time. Instruments is Apple's profiler that shows you exactly what is costing frames.
Open Instruments from Xcode
Choose Product, Profile in Xcode. It builds a release-style binary and launches Instruments attached to your running app.
All lessons in this course
- How SwiftUI Recomputes Views
- Avoiding Unnecessary Redraws
- Lazy Loading Heavy Content
- Profiling with Instruments