TDC2019 Intel Software Day - Otimizacao grafica com o Intel GPA
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The document discusses Intel Graphics Performance Analyzers (Intel GPA), a suite of graphics performance tools created by Intel to optimize games and real-time graphics applications. It describes Intel GPA's profiling workflow which involves analyzing frames to identify bottlenecks, determining if issues are CPU or GPU bound, and identifying hotspots. It then provides overviews of the tools in Intel GPA like the System Analyzer, Trace Analyzer, Frame Analyzer and their capabilities for profiling graphics performance.
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TDC2019 Intel Software Day - Otimizacao grafica com o Intel GPA
- 1. Danilo Cominotti Marques Arquiteto de Sistemas (Dextra/Mutant) e Intel Software Innovator
- 2. #IntelGameDev 2 Scaling Graphics Performance Effectively My super awesome game 30 FPS
- 3. #IntelGameDev 3 Scaling Graphics Performance Effectively My super awesome game 30 FPS 10 FPS
- 4. #IntelGameDev 4 Scaling Graphics Performance Effectively My super awesome game 30 FPS 10 FPS 20 FPS
- 5. #IntelGameDev 5 Scaling Graphics Performance Effectively My super awesome game 30 FPS 10 FPS 20 FPS 30 FPS
- 6. #IntelGameDev 6 Scaling Graphics Performance Effectively My super awesome game 30 FPS 10 FPS 30 FPS+ 60 FPS+ Intel® Graphics Performance Analyzers
- 7. #IntelGameDev 7 Intel® Graphics Performance Analyzers (Intel GPA) Intel® GPA is a suite of graphics performance tools created by Intel for the purpose of optimizing games and real-time graphics applications. System Analyzer Multi-Frame Analyzer Trace Analyzer
- 8. #IntelGameDev GPU bound 8 Profiling Workflow Frame Analysis Identify Scene + + CPU vs GPU bound? Identify Hotspots Identify Hotspots via instrumentation CPU bound
- 9. #IntelGameDev GPU bound 9 Profiling Workflow Frame Analysis Identify Scene + + CPU vs GPU bound? Identify Hotspots Identify Hotspots via instrumentation CPU bound
- 10. #IntelGameDev GPU bound 10 Profiling Workflow Frame Analysis Identify Scene + + CPU vs GPU bound? Identify Hotspots Identify Hotspots via instrumentation CPU bound
- 11. #IntelGameDev 11 System Analyzer Overview
- 12. #IntelGameDev 12 In Application Live Analysis
- 13. #IntelGameDev GPU bound 13 Profiling Workflow Frame Analysis Identify Scene + + CPU vs GPU bound? Identify Hotspots Identify Hotspots via instrumentation CPU bound
- 14. #IntelGameDev 14 • New Trace Analyzer UI with improved collection mechanism • Collect data from various sources correlated in one timeline • ETW events • Graphics API calls • ITT user markers • Sampled metrics Trace Analyzer Overview
- 15. #IntelGameDev 15 GPU bound vs CPU bound comparison • Consistent stream of commands in GPU queue? • GPU Bound • Gaps in GPU queue? • Not VSync bound? • CPU bound Not GPU Bound GPU Bound
- 16. #IntelGameDev GPU bound 16 Profiling Workflow Frame Analysis Identify Scene + + CPU vs GPU bound? Identify Hotspots Identify Hotspots via instrumentation CPU bound
- 17. #IntelGameDev GPU bound 17 CPU Bound Frame Analysis Identify Scene + + CPU vs GPU bound? Identify Hotspots Identify Hotspots via instrumentation CPU bound
- 18. #IntelGameDev 18 Game Instrumentation Instrumentation Alternatives • ITT • ETW • PIX/Graphics API markers Hotspots from selected region Dive into region occurrences
- 19. #IntelGameDev GPU bound 20 GPU Bound Frame Analysis Identify Scene + + CPU vs GPU bound? Identify Hotspots Identify Hotspots via instrumentation CPU bound
- 20. #IntelGameDev 21 Frame Analyzer Overview
- 21. #IntelGameDev 22 Multi-frame Capture and Playback New in Intel® GPA 2019 R1 Release • Difficult problems for single frame analysis • Debug intermittent glitches and frame hitches • Profile multi-frame algorithms • Single frame capture workflow still available
- 22. #IntelGameDev GPU bound 23 GPU Bound • Frame Analysis to identify most expensive calls • Easy hotspot analysis for automatic bottleneck root cause analyzer Identify HotspotsFrame Analysis
- 23. #IntelGameDev 24 Find most expensive calls Bottom up approach
- 24. #IntelGameDev 25 Find most expensive calls Top down approach
- 25. #IntelGameDev 26 Hotspot Analysis Overview