hoangatuan / iOS-Performance-Optimization

This project contains resources on how you can optimize your iOS application performance

iOS-Performance-Optimization

This project contains highly recommended resources on how you can optimize your iOS application performance

Table of Contents

• Reduce App Size
• Reduce Build time
• App Launch time
• App Runtime
• App Hang
• Memory usage

Reduce App Size

Foundation knowledge

• Understand iOS App Size by Emerge
• Understand static framework & dynamic framework by Emerge
• Basic optimization to reduce app size by Apple
• Advance optimization to reduce app size by Apple
• Reducing app size by Apple
• Strip Binary Simple

Tools

• Emerge Tool size Analysis
• Periphery - Unused code detection
• FengNiao - Unused image detection

Real-life example

• How Uber Deals with Large iOS App Size
• How 7 iOS Apps Could Save You 500MB of Storage by Emerge
• Spotify
• Make Your iOS App Smaller with Dynamic Frameworks
• Manage Image Resources

Reduce Build time

Foundation knowledge

• Clean build vs. Incremental build
• Swift Compiler Performance by Apple

Tools

• Xcode Build time Rendering
• XCMetrics
• Tuist
• Bazel

Real-life example

• Grab
• Gojek
• Tokopedia
• Building faster by Apple

App launch time

Foundation knowledge

• About the app launch sequence by Apple
• Cold launch vs Warm launch: Apple
• Dynamic Linker vs Static Linker

Tools

• Xcode Instruments

Real-life example

• Apple
• Uber
• Facebook Dynamic Loading

App Runtime

Foundation Knowledge

Tools

• os signpost

App Hang

Memory Usage

Foundation Knowledge

Real life examples