swiftui-performance-audit

Diagnose SwiftUI performance issues with code-smell checks and profiling guidance.

7|8|Updated Jan 22, 2026

Search Tags:#performance #debugging #timeline #profiling #swiftui #instruments #code-review

Ready to run

npx skills add https://github.com/omarshahine/Apple-PIM-Agent-Plugin --skill swiftui-performance-audit-omarshahine

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: swiftui-performance-audit
Source: https://github.com/omarshahine/Apple-PIM-Agent-Plugin/tree/main/.claude/skills/swiftui-performance-audit
Command: npx skills add https://github.com/omarshahine/Apple-PIM-Agent-Plugin --skill swiftui-performance-audit-omarshahine

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

SwiftUI performance audits identify and reduce slow rendering, jank, and excessive view updates by guiding code-first reviews and runtime profiling.

Core Features & Use Cases

Code-first review guided by common SwiftUI smells and remediation patterns.
Profiling intake and runtime evidence collection to pinpoint bottlenecks.
End-to-end remediation and verification using a structured audit template with concrete remediation steps.

Quick Start

Describe the issue you want diagnosed and share any available reproduction steps or profiling traces to begin the audit.

Frequently Asked Questions about swiftui-performance-audit

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

FAQPage Schema

How do I diagnose slow SwiftUI rendering and excessive view updates?▼

Diagnosing slow SwiftUI rendering requires a structured audit combining code-smell reviews with runtime profiling to pinpoint bottlenecks. The process guides you through intake, code checks, and profiling evidence collection to identify excessive view updates and high CPU usage.

What causes jank and high CPU usage in SwiftUI views?▼

Jank and high CPU usage in SwiftUI views are caused by performance bottlenecks like unnecessary view redraws and inefficient state management. A code-first review guided by common SwiftUI smells helps triage and identify these excessive view updates.

Can I audit SwiftUI performance issues without having the full source code?▼

You can audit SwiftUI performance issues with or without available source code. The audit process accommodates missing code by relying on runtime profiling, behavioral evidence, and intake information to pinpoint bottlenecks and guide remediation steps.

How do I profile SwiftUI apps using Instruments to find bottlenecks?▼

Profiling SwiftUI apps using Instruments involves following profiling intake and runtime evidence collection steps to find bottlenecks. This identifies slow renders and excessive view updates, which are then mapped to concrete remediation steps in an audit report template.

What is the best way to fix SwiftUI view update and memory bottlenecks?▼

The best way to fix SwiftUI view update and memory bottlenecks is using a structured audit report template with concrete remediation steps. This ensures end-to-end verification by systematically addressing identified code smells and runtime profiling data.

Does this SwiftUI performance audit work for high memory usage?▼

Yes, this SwiftUI performance audit works for high memory usage. The audit diagnoses and triages high CPU or memory usage alongside slow renders and jank, applying code-smell checks and profiling guidance to deliver concrete remediation steps.