swiftui-performance-audit

Diagnose SwiftUI performance issues from code review and Instruments traces.

Updated Mar 5, 2026
One-click install
npx skills add https://github.com/DylanMiller765/memori --skill swiftui-performance-audit-dylanmiller765
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: swiftui-performance-audit
Source: https://github.com/DylanMiller765/memori/tree/main/.claude/skills/swiftui-performance-audit
Command: npx skills add https://github.com/DylanMiller765/memori --skill swiftui-performance-audit-dylanmiller765

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This skill helps teams identify and remediate SwiftUI runtime performance issues by guiding code reviews, instrumentation, and targeted optimizations to improve rendering smoothness, reduce frame drops, and lower CPU/memory overhead.

Core Features & Use Cases

  • End-to-end performance audit: from code review through instrumentation to root-cause analysis and remediation.
  • Guidance for Instruments profiling: how to collect traces, identify long updates, and validate fixes.
  • Actionable remediation: targeted refactors like reducing view invalidation, stabilizing identities, and moving work out of body.

Quick Start

Provide your SwiftUI view code and a performance trace to receive a prioritized remediation plan.

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 and fix SwiftUI performance issues like jank and slow rendering?

Diagnose SwiftUI jank by analyzing view code and Instruments traces to pinpoint long updates, then apply targeted refactors like reducing view invalidation and stabilizing identities to resolve slow rendering.

What causes layout thrash in SwiftUI views and how do I audit it?

Layout thrash in SwiftUI views stems from excessive view invalidation and unstable identities; audit it by combining code review with Instruments profiling to identify unnecessary layout passes and move heavy work out of the view body.

How do I profile SwiftUI rendering performance using Instruments?

Profile SwiftUI rendering performance by collecting traces in Instruments to identify long view updates and frame drops, then validate fixes by re-profiling after applying targeted refactors to reduce CPU and memory overhead.

Can I use this approach to audit SwiftUI performance during a code review?

Yes, you can audit SwiftUI performance during code review by providing your view code alongside a performance trace to receive a prioritized remediation plan for reducing frame drops and lowering CPU and memory overhead.

What is the best way to reduce view invalidation in SwiftUI?

The best way to reduce view invalidation in SwiftUI is to stabilize view identities and move expensive computations out of the view body, guided by instrumentation data that identifies exactly which updates trigger unnecessary recalculations.