metaverseDubai/PERFORMANCE_TARGETS.md

Performance Targets - Dubai Metaverse

Overview

This document defines performance targets and optimization goals for the Dubai Metaverse project.

Frame Rate Targets

Desktop (1440p)

• Target: 60-90 FPS
• Minimum: 60 FPS
• Ideal: 90 FPS
• Hardware: RTX 3070 / RX 6800 XT or better

Desktop (4K)

• Target: 60 FPS
• Minimum: 60 FPS
• Ideal: 60+ FPS
• Hardware: RTX 4080 / RX 7900 XTX or better

Cinematic Rendering

• Target: Offline rendering (no FPS target)
• Output: 8K EXR (7680x4320)
• Method: Movie Render Queue
• Time: Quality over speed

VR (If Implemented)

• Target: 90 FPS
• Minimum: 90 FPS (required for VR)
• Hardware: RTX 4080 or better

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Memory Targets

GPU Memory (VRAM)

• Target: <12GB usage
• Maximum: 16GB (for high-end GPUs)
• Optimization: Texture streaming, virtual textures

System RAM

• Target: <16GB usage
• Maximum: 32GB (for development)
• Optimization: World Partition streaming

Storage

• Target: <50GB packaged build
• Optimization: Asset compression, unused asset removal

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Performance Metrics

Frame Time

• Target: <16.67ms (60 FPS)
• Ideal: <11.11ms (90 FPS)
• Measurement: Unreal Insights

Draw Calls

• Target: <5000 draw calls per frame
• Optimization: Instancing, batching

Triangle Count

• Target: <5M triangles per frame (with Nanite)
• Optimization: Nanite, LOD system

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Optimization Strategies

Nanite

• Usage: All static meshes where possible
• Benefit: High-poly geometry without performance penalty
• Target: 100% of static meshes use Nanite

LOD System

• Usage: Non-Nanite assets, background buildings
• LODs: LOD0-3 for primary, LOD0-2 for background
• Target: All non-Nanite assets have LODs

World Partition

• Usage: Entire Dubai district
• Cell Size: 128m x 128m (default)
• Streaming: Optimized per cell
• Target: Smooth streaming, no hitches

Material Optimization

• Shared Materials: Use material instances
• Texture Streaming: Enable texture streaming
• Virtual Textures: Use for large textures (optional)
• Target: Minimize material complexity

Lighting Optimization

• Lumen Quality: Adjust based on performance
• Shadow Quality: Virtual Shadow Maps
• Light Count: Minimize dynamic lights
• Target: Maintain visual quality while optimizing

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Performance Testing

Tools

• Unreal Insights: Profiling and analysis
• GPU Profiler: GPU performance analysis
• Stat Commands: Real-time performance stats

Test Scenarios

1. Empty Level: Baseline performance
2. Full District: Complete district loaded
3. Cinematic Camera: Camera movement performance
4. Vehicle Driving: Vehicle physics performance
5. NPC Crowd: Multiple NPCs performance

Test Hardware

• Minimum Spec: RTX 3060 / RX 6600 XT
• Recommended Spec: RTX 3070 / RX 6800 XT
• High-End Spec: RTX 4080 / RX 7900 XTX

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Performance Checklist

Optimization Checklist

• All static meshes use Nanite (where applicable)
• LODs generated for non-Nanite assets
• World Partition streaming optimized
• Material complexity minimized
• Texture streaming enabled
• Draw calls optimized (<5000)
• Frame time meets targets (<16.67ms for 60 FPS)
• Memory usage within targets
• No performance hitches or stuttering
• Performance tested on target hardware

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Performance Targets by Phase

Phase 2 (Environment Production)

• Target: 30+ FPS in editor
• Focus: Asset optimization, LOD generation

Phase 3 (World Systems)

• Target: 45+ FPS in editor
• Focus: Lighting optimization, system integration

Phase 4 (Gameplay + Interaction)

• Target: 60+ FPS in editor
• Focus: Final optimization pass

Phase 5 (Final Polish)

• Target: 60-90 FPS in packaged build
• Focus: Final performance validation

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Performance Budget

Per System

• Rendering: 60% of frame time
• Lighting (Lumen): 20% of frame time
• Physics: 5% of frame time
• AI/NPCs: 5% of frame time
• Other: 10% of frame time

Optimization Priority

1. Rendering: Highest priority (biggest impact)
2. Lighting: High priority (Lumen can be expensive)
3. Physics: Medium priority
4. AI/NPCs: Medium priority
5. Other: Low priority

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Notes

• Performance targets are guidelines, not strict requirements
• Visual quality should not be sacrificed unnecessarily
• Test on target hardware regularly
• Optimize incrementally throughout development

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Version: 1.0 Last Updated: [Current Date]