axiom-swift-performance

Optimize Swift code performance by reducing ARC overhead and improving runtime efficiency.

61|3|Updated Feb 14, 2026
One-click install
npx skills add https://github.com/joelhooks/joelclaw --skill axiom-swift-performance-joelhooks
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: axiom-swift-performance
Source: https://github.com/joelhooks/joelclaw/tree/main/.agents/skills/axiom-swift-performance
Command: npx skills add https://github.com/joelhooks/joelclaw --skill axiom-swift-performance-joelhooks

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill addresses performance bottlenecks in Swift applications by providing in-depth guidance on optimizing code for speed, memory usage, and runtime efficiency.

Core Features & Use Cases

  • Performance Tuning: Offers strategies for reducing ARC overhead, optimizing generic code, improving collection performance, and understanding memory layout.
  • Language Features: Details the performance implications of Swift 6.0+ features like noncopyable types, InlineArray, and Span.
  • Use Case: A developer notices high CPU usage in a critical loop. They consult this Skill to understand potential issues related to value vs. reference semantics, collection efficiency, or memory layout, and apply targeted optimizations.

Quick Start

Use the axiom-swift-performance skill to optimize Swift code performance by reducing memory usage and improving runtime efficiency.

Frequently Asked Questions about axiom-swift-performance

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

FAQPage Schema
How do I reduce ARC overhead in Swift applications?

To reduce ARC overhead in Swift, you must minimize unnecessary retain/release cycles. This Skill provides strategies for optimizing value semantics and memory layout to decrease reference counting overhead and improve runtime efficiency.

What is the best way to optimize generic code performance in Swift?

Optimizing generic code in Swift requires applying generic specialization to avoid dynamic dispatch. This Skill guides you through tuning generic code performance alongside collection efficiency and memory layout for high-performance applications.

How do noncopyable types improve Swift 6.0 performance?

Noncopyable types improve Swift 6.0 performance by enforcing unique ownership and eliminating copying overhead. This Skill details the performance implications of noncopyable types, InlineArray, and Span for high-performance memory management.

Why does my Swift code have high CPU usage in critical loops?

High CPU usage in Swift critical loops often stems from inefficient value vs. reference semantics or poor collection performance. This Skill helps diagnose and resolve these bottlenecks through targeted memory layout and runtime optimizations.

When should I use InlineArray and Span for Swift memory optimization?

Use InlineArray and Span when you need strict control over memory layout and allocation in Swift 6.0+. This Skill explains how these features reduce memory overhead and improve collection performance in high-efficiency applications.