performance-profiler

Name: performance-profiler
Availability: InStock
Author: Desquared

Analyze SwiftUI view updates, rendering passes, and memory usage to identify performance bottlenecks.

3|Updated Jan 27, 2026

Search Tags:#performance #optimization #rendering #profiling #ios #swiftui #memory-management

Ready to run

npx skills add https://github.com/Desquared/agents-rules-skills --skill performance-profiler-desquared

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: performance-profiler
Source: https://github.com/Desquared/agents-rules-skills/tree/main/iOS/skills/performance-profiler
Command: npx skills add https://github.com/Desquared/agents-rules-skills --skill performance-profiler-desquared

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Identifies potential performance bottlenecks in SwiftUI code, including expensive view updates, unnecessary redraws, and memory issues, to help teams ship smoother UIs.

Core Features & Use Cases

Detects expensive view updates and optimization opportunities for lists, animations, and complex interfaces.
Analyzes memory allocations and retention issues in SwiftUI views to prevent leaks and crashes.
Provides actionable steps and guided workflows to implement performance improvements.

Quick Start

Use the performance profiler to identify bottlenecks in a SwiftUI screen and implement the recommended optimizations.

Frequently Asked Questions about performance-profiler

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I identify SwiftUI performance bottlenecks in my app?▼

Identify SwiftUI performance bottlenecks by analyzing view updates, rendering passes, and memory usage. This process detects expensive body computations and unnecessary redraws to provide actionable optimization recommendations for smoother UIs.

What causes expensive view updates and unnecessary redraws in SwiftUI?▼

Expensive view updates and unnecessary redraws in SwiftUI are caused by inefficient view update patterns and complex UI scenarios. Analyzing rendering passes helps detect these issues and provides guided workflows to implement performance improvements.

How do I analyze memory allocations and retention issues in SwiftUI views?▼

Analyze memory allocations and retention issues in SwiftUI views to prevent leaks and crashes. This analysis identifies memory management problems within complex interfaces and provides actionable steps to resolve them.

Can I optimize SwiftUI lists and animations for better rendering performance?▼

Optimize SwiftUI lists and animations by detecting expensive view updates and optimization opportunities within these components. This analysis targets complex interfaces to provide actionable recommendations for improving rendering performance.

What is the best way to find rendering issues in complex SwiftUI interfaces?▼

The best way to find rendering issues in complex SwiftUI interfaces is to analyze view updates and rendering passes. This detects expensive body computations and redraw patterns, providing actionable steps to implement performance improvements.

When should I profile my SwiftUI app for memory and rendering issues?▼

Profile your SwiftUI app for memory and rendering issues whenever optimization guidance is requested or when facing complex UI scenarios. This detects expensive body computations, memory issues, and redraw patterns to prevent leaks and crashes.