Jomar Silva Technical Evangelist

Transcription

1 Jomar Silva Technical Evangelist

2 Agenda Introduction Intel Graphics Performance Analyzers: what is it, where do I get it, and how do I use it? Intel GPA with VR What devices can I use Intel GPA with and how do I connect them? Analyzing a VR application with Intel GPA: the tools, best practices, and pro tips. 2

3 Intel Graphics Performance Analyzers (Intel GPA) PC Virtual Reality Mobile

4 Intel graphics performance analyzers (GPA) High End GPU 30+ fps Desktop / AIO 90+ fps Mainstream Graphics 10fps 5fps 30+ fps 5fps 4

5 Host/Target Architecture Host System Target System 5

6 Optimize Windows*, Android*, macos*, and Ubuntu* Games! Windows Gaming Android Gaming Ubuntu Gaming macos Gaming Host OS Host OS Host OS Host OS Win 7, Win 8.1, Win 10 (64-bit) Windows, Ubuntu, macos Ubuntu macos* & DirectX* OpenGL* ES OpenGL* OpenGL DX 9, 9EX, 10.x, 11.0, 11.1, 12 1.x, 2.x, 3.x Android OS 4.x, 5.x, 6.x 3.2, 3.3, 4.0, 4.1 (Core Profile) 3.2, 3.3, 4.0, 4.1 (Core Profile) Metal* 1 & 2 6

7 What s Inside Intel GPA? Graphics Monitor Launch & config tool System Analyzer / HUD In-game analysis Graphics Trace Analyzer Timeline analysis Graphics Frame Analyzer Single frame analysis 7

8 Intel GPA: Workflow HUD / System Analyzer: Capture Frame Frame Analyzer: Run with Intel GPA GPU Limited CPU Limited? Trace Analyzer: Capture Trace In-Game Analysis Offline Analysis 8

9 Performance analysis with Hardware metrics Unique top-to-down performance analysis workflow to find bottlenecks at exact pipeline stage using HW metrics in Intel HD Graphics See the complete description in Graphics API Developer s Guide Integrated into latest Intel GPA Frame Analyzer Graphics Interface to Memory Hierarchy (LLC, EDRAM, DRAM) Pixel Back-End Shader Execution FPU Pipe 0/1 Shader Thread EU Occupancy Shader Execution Stalled Unknown Shader Execution Hotspot Shader Thread Dispatch Early Depth/Stencil Rasterization Geometry Transformation Graphics Cache (L3) Sampler Unknown Shader Stall Intel GPA 9

10 Intel GPA: Getting Started No Code Changes Needed No Environment Changes No IDE Necessary Download for FREE at 10

11 The supported headsets, how to use them, and pro tips.

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14 Oculus Rift* or HTC Vive* HMD Before you begin, make sure that all of your drivers are up-to-date, that you have the latest OS build for your machine, and that secure boot is not enabled. 1. Setup your HMD 2. Launch Graphics Monitor Launch Then Ctrl + Click 3. Launch Respective Store 4. Select & Launch Game To turn on Global Injection Robo Recall imagery courtesy of Epic Games 14

15 In-depth analysis of a VR game using Frame Analyzer and System Analyzer

16 Live Analysis Robo Recall images courtesy of Epic Games

17 Trigger Events 1. Enter Profile View 2. Enable and Configure Trigger Select Choose Profiles from the menu Icon then Configure the trigger of a Trace or Frame Capture automatically if certain criteria are met during live analysis 17

18 System Analyzer Heads-up Display (HUD) Use live experiments View live game metrics. Change the HUD view using Ctrl+F1 Robo Recall images courtesy of Epic Games 18

19 System Analyzer Launch point for mobile apps Like System Analyzer HUD, where you can: View metrics while game is running Enable graphics experiments without changing your code Identify CPU or GPU bottleneck Capture frames and traces for more detailed offline analysis Can be used for remote target analysis 19

20 Offline Analysis

21 Trace Analyzer See what the CPU and GPU are doing based on collected metrics Identify the cause of a starved GPU queue Toggle event domains to capture relevant metrics 21

22 Detailed View of Trace Analyzer CPU Work / Core GPU Execution Queue Threads and API Calls CPU Submission Queue Selection Statistics 22

23 What Can Trace Analyzer do for VR? Turn on VR event domain collection for Trace Analyzer View events in Trace Analyzer 23

24 Frame Analyzer See metrics per draw call and find bottlenecks in the rendering pipeline View all graphics resources used to create a frame Modify rendering states and shaders Remove whole draw calls Implement experiments like 2*2 textures No recompiling needed to see the outcome of changes Dark / Light modes 24

25 Helpful Frame Analyzer Features for VR Group by render target to see the cost of each eye separately See the rendering of each individual eye within the resource viewer Robo Recall images courtesy of Epic Games 25

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27 27 Twitter/ Facebook- HOMEMBIT Facebook INTELSWBRASIL

28 Legal Notices and Disclaimers No license (express or implied, by estoppel or otherwise) to any intellectual property rights is granted by this document. Intel disclaims all express and implied warranties, including without limitation, the implied warranties of merchantability, fitness for a particular purpose, and non-infringement, as well as any warranty arising from course of performance, course of dealing, or usage in trade. You may not use or facilitate the use of this document in connection with any infringement or other legal analysis concerning Intel products described herein. You agree to grant Intel a non-exclusive, royalty-free license to any patent claim thereafter drafted which includes subject matter disclosed herein. The products and services described may contain defects or errors known as errata which may cause deviations from published specifications. Current characterized errata are available on request. Intel technologies features and benefits depend on system configuration and may require enabled hardware, software or service activation. Performance varies depending on system configuration. No computer system can be absolutely secure. Check with your system manufacturer or retailer or learn more at [intel.com]. Software and workloads used in performance tests may have been optimized for performance only on Intel microprocessors. Performance tests, such as SYSmark and MobileMark, are measured using specific computer systems, components, software, operations and functions. Any change to any of those factors may cause the results to vary. You should consult other information and performance tests to assist you in fully evaluating your contemplated purchases, including the performance of that product when combined with other products. For more complete information visit : Intel's compilers may or may not optimize to the same degree for non-intel microprocessors for optimizations that are not unique to Intel microprocessors. These optimizations include SSE2, SSE3, and SSSE3 instruction sets and other optimizations. Intel does not guarantee the availability, functionality, or effectiveness of any optimization on microprocessors not manufactured by Intel. Microprocessor-dependent optimizations in this product are intended for use with Intel microprocessors. Certain optimizations not specific to Intel microarchitecture are reserved for Intel microprocessors. Please refer to the applicable product User and Reference Guides for more information regarding the specific instruction sets covered by this notice. Results have been estimated or simulated using internal Intel analysis or architecture simulation or modeling, and provided to you for informational purposes. Any differences in your system hardware, software or configuration may affect your actual performance. Intel, Atom and the Intel logo are trademarks of Intel Corporation in the U.S. and/or other countries. *Other names and brands may be claimed as the property of others Intel Corporation.