hoangnguyen0403/agent-skills-standard

ios-performance

Profile and optimize iOS apps with Instruments, memory management, and rendering techniques.

Vedi sorgente

Come usare

  1. Copia il comando e controlla il pacchetto prima di installarlo nel tuo ambiente agente.
  2. Controlla strumenti, credenziali e ambienti richiesti nel documento originale.
  3. Descrivi input e risultato desiderato; confronta l’output con le fonti.
npx skills add https://github.com/hoangnguyen0403/agent-skills-standard --skill ios-performance

Prima di iniziare

  • L’installazione non include abbonamenti, quote API o accesso ai file.
  • Stelle e installazioni indicano attività, non un test indipendente di qualità o sicurezza.
Documento Skill originale

Contenuto dal repository con titoli, esempi, codice, tabelle, link e immagini preservati.

iOS Performance

Priority: P0 (CRITICAL)

Implementation Workflow

  1. Profile with Instruments — Regularly use Allocations and Leaks to detect memory issues. Use Time Profiler for CPU stalls.
  2. Reuse cells — Always use dequeueReusableCell and keep cellForRowAt lightweight.
  3. Cache images — Use SDWebImage or Kingfisher for remote assets. AsyncImage lacks caching for lists.
  4. Offload to background — Move parsing, encryption, and heavy computation off Main thread using GCD or Tasks.
  5. Enable strict warnings — Set SWIFT_TREAT_WARNINGS_AS_ERRORS in Release builds.
  6. Run static analysis — Use Xcode's "Analyze" (Product > Analyze) to catch logic errors.

See background processing and cell reuse examples

Anti-Patterns

  • No Main-thread Processing: Offload parsing/processing to background using Task.detached or GCD
  • No Manual Cache Clears: Let system handle low-memory via applicationDidReceiveMemoryWarning
  • No Retain Cycles: Use Leaks instrument frequently during development

References

Correlati per attività