Wiki Article · Cinematic

iOS Performance

iOS performance ka matlab hai ek iOS app kitni fast, smooth, aur efficiently run karti hai user ke…

Overview

iOS Performance — Quick Facts

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Property: Detail

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Topic Name: iOS Performance

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Category: Mobile Development / Performance…

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Platform: iOS, iPadOS (shared optimization…

Topic 1

Infobox

📚 | Property | Detail | |---|---| | Topic Name | iOS Performance | | Category | Mobile…

Topic 2

Kya Hai iOS Performance

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Responsiveness — User action ke…

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Smoothness — Animations aur…

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Launch Speed — App kitni jaldi…

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Memory Efficiency — App kitni RAM…

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Kyun Zaroori Hai

🎯 | Reason | Impact | |---|---| | User Experience | Smooth app = happy user. Laggy app =…

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Performance Metrics Overview

⭐ | Metric | What It Measures | Target | Tool | |---|---|---|---| | App Launch Time (Cold)…

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Mermaid Diagram — iOS Performance Optimization Areas

🔑 `mermaid flowchart TD PERF["iOS Performance"] subgraph Launch["App Launch"] COLD["Cold…

Topic 6

App Launch Performance

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iOS ka Watchdog timer apps ko…

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Agar app launch me ~20 seconds se…

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Background tasks ke liye bhi time…

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Watchdog kills crash reports me…

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UI Rendering Performance

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iOS display 60 times per second…

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Har frame ke liye ~16.67ms hain…

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Agar frame 16.67ms me complete na…

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ProMotion (120Hz) displays par…

Topic 8

Rendering Pipeline Table

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cornerRadius + masksToBounds…

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shadow without shadowPath specified

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mask layer

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Group opacity

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Memory Performance

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iOS me swap nahi hai (unlike…

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Agar app zyada memory use kare →…

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Background apps pehle kill hoti…

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Memory warnings milte hain…

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Memory Budget Table

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Xcode Memory Gauge — Quick…

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Memory Graph Debugger — Retain…

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Instruments — Allocations —…

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Instruments — Leaks — Automated…

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Network Performance

🎯 | Optimization | Description | Impact | |---|---|---| | HTTP Caching | URLCache configure…

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Battery Performance

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Instruments me Energy Log template…

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CPU, Network, Location, Bluetooth,…

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Target: Low ya Medium energy impact

Topic 13

Instruments Profiling

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Xcode → Product → Profile (Cmd+I)

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Template select karo based on…

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Record start karo, app use karo,…

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Instruments Tools Table

✨ | Instrument | Measures | When to Use | Key Insight | |---|---|---|---| | Time Profiler |…

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Common Performance Problems

🌟 | Problem | Symptom | Root Cause | Fix | |---|---|---|---| | Slow Launch | Splash screen…

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Optimization Techniques

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Image handling — Display size par…

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Collection View prefetching —…

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Auto Layout — Deep constraint…

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Core Data —…

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Performance Monitoring in Production

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iOS 13+ me available

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Daily performance reports device…

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Launch time, hang rate, disk…

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No server setup needed — on-device…

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Real-Life Examples

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Problem: Product list me scrolling…

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Investigation: Core Animation…

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Fix: Pre-rendered rounded corner…

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Result: 60 FPS consistent, user…

Diagram

Visual Flow

📊 Diagram visualization — details in narration

Quiz — Question 1

iOS Performance ka sabse sahi definition kya hai?

Quick Quiz

Quiz — Question 2

iOS Performance ka 'Topic Name' kya hai?

Complete! 🎉

iOS Performance Complete!

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iOS Performance Complete

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