Performance and metrics

Topics

Essentials

• Improving your app’s performance
• Profiling apps using Instruments
• Analyzing the performance of your shipping app
• Creating a performance plan for your visionOS app

Responsiveness

• Analyzing responsiveness issues in your shipping app
• Improving app responsiveness
• Understanding user interface responsiveness
• Understanding and improving SwiftUI performance
• Understanding hangs in your app
• Understanding hitches in your app
• Diagnosing performance issues early
• Reducing your app’s launch time
• Reducing terminations in your app

Processor usage

• Addressing CPU bottlenecks
• Analyzing CPU usage with the Processor Trace instrument

Memory and size

• Reducing your app’s memory use
• Reducing your app’s size

Graphics

• Analyzing the performance of your Metal app
• Analyzing the memory usage of your Metal app

Power

• Analyzing your app’s battery use
• Measuring your app’s power use with Power Profiler
• Reducing your app’s battery use

Disk usage

• Reducing disk writes
• Reducing your app’s disk usage

Network

• Analyzing HTTP traffic with Instruments

Custom instruments

• Creating custom modelers for intelligent instruments

See Also

Tuning and debugging

• Devices and Simulator
• Debugging
• Testing