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performance

Performance profiling and SwiftUI debugging skills — Instruments guidance, hangs, memory issues, slow launches, energy drain, unnecessary re-renders, and view identity problems. Use when an app is slow, janky, or resource-hungry.

中文简介正在准备中。当前显示原文说明。

查看安装方法

包含的文件(12)

  • SKILL.md1.5 KB
  • profiling/energy-diagnostics.md13.8 KB
  • profiling/hitches.md7.2 KB
  • profiling/launch-optimization.md19.1 KB
  • profiling/memory-profiling.md23.1 KB
  • profiling/SKILL.md11.8 KB
  • profiling/time-profiler.md22.5 KB
  • swiftui-debugging/body-reevaluation.md11.3 KB
  • swiftui-debugging/common-pitfalls.md13.0 KB
  • swiftui-debugging/lazy-loading.md9.3 KB
  • swiftui-debugging/SKILL.md14.4 KB
  • swiftui-debugging/view-identity.md7.7 KB

SKILL.md(原文)

安装前可以查看交给 AI 代理的指令内容。

Performance Skills

Diagnose and fix performance problems, from system-level profiling to SwiftUI render behavior.

When This Skill Activates

Use this skill when the user:

  • Reports the app is slow, janky, or hanging
  • Wants to profile with Instruments (Time Profiler, Allocations, Hangs)
  • Is investigating memory issues, slow launches, or energy drain
  • Sees SwiftUI views re-rendering too often or slow body evaluations
  • Asks about view identity problems or _printChanges()

Available Skills

Paths are relative to THIS file's directory — skills run with cwd set to the user's project, so resolve each path from this SKILL.md's own location.

SkillReadCovers
profilingprofiling/SKILL.mdInstruments workflows; hangs, memory, slow launch, energy diagnosis
swiftui-debuggingswiftui-debugging/SKILL.mdUnnecessary re-renders, view identity, slow body evaluations

How to Route

  1. Match the request to a row above — system-level symptoms → profiling; SwiftUI render symptoms → swiftui-debugging.
  2. Read that SKILL.md (relative to this file) plus any reference files it lists.
  3. Apply the guidance to the user's code.

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