05 optimization of cocos2d-x games on x86 architecture
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05 optimization of cocos2d-x games on x86 architecture
- 1. Optimization Notice Software Service Group 1
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- 3. x86架构上基于cocos2d-x的游戏开发与优化 孙卓识，郭胜 2012.03.31 Software Service Group 3
- 4. 日程 合作历史 x86上的cocos2d-x游戏开发 – Android x86 x86上的cocos2d-x游戏优化 – 《捕鱼达人》 – Intel® VTune™性能分析器 – Intel®图形性能分析器（GPA） 下一步 Software Service Group 4
- 5. 合作历史 11.05 cocos2d-x MeeGo 添加了Android x86支持 《捕鱼达人》支持Android x86 《捕鱼达人》优化 cocos2d-x优化 Software Service Group 5
- 6. Android x86 -真的很简单 使用NDK r6b及更高版本 打开android/jni/Application.mk APP_ABI := x86 或者 APP_ABI := armeabi x86 发布打包 一个apk包同时支持多种CPU架构 Software Service Group 6
- 7. 《捕鱼达人》Android x86 环境：Medfield平板, Android 4.0.3 Software Service Group 7
- 8. 《捕鱼达人》Android x86性能分析 关闭垂直同步（vsync） Disable 1x1 2x2 Simple Disable Disable Experiments Normal Draw Scissor Texture Fragment Z-Test Alpha Calls Rect Shader Blending FPS 50 75 70 62 50 50 69 结论 – GPU是瓶颈 可优化内容 – 减少应用alpha blending – 减小纹理尺寸与数量 Software Service Group 8
- 9. 《捕鱼达人》（Windows）优化前 Software Service Group 9
- 10. 《捕鱼达人》（Windows）优化后 Software Service Group 10
- 11. 《捕鱼达人》（Windows）优化对比 Function CPU Time CPU Time cocos2d::CCMutableDictionary<class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> >,class SPActor *>::allKeys 17.70% 0% cocos2d::CCMutableDictionary<class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> >,class SPActor *>::objectForKey 17.00% 0% cocos2d::CCMutableDictionary<class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> >,class SPActor *>::next 0.00% 6.30% glColorMask 11.00% 18.80% SPScene::getActors 8.10% 3.40% cocos2d::CCMutableDictionary<class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> >,class cocos2d::CCTexture2D *>::objectForKey 5.60% 9.20% cocos2d::CCMutableDictionary<class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> >,class cocos2d::CCTexture2D *>::allKeys 5.00% 8.60% GuiAddVertexShaderInfo 4.90% 7.90% cocos2d::CCUserDefault::isXMLFileExist 3.90% 6.00% split 3.70% 5.90% FPS提升：15%左右 Software Service Group 11
- 12. Cocos2d-x（Windows）优化前 Software Service Group 12
- 13. Cocos2d-x（Windows）优化后 Software Service Group 13
- 14. Cocos2d-x（Windows）优化对比 Function CPU Time CPU Time Module glColorMask 15.60% 20.00% libGLES_CM.dll cocos2d::CCMutableDictionary<class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> >,class cocos2d::CCTexture2D *>::allKeys 8.70% 0.00% libcocos2d.dll cocos2d::CCMutableDictionary<class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> >,class cocos2d::CCTexture2D *>::objectForKey 8.50% 0.00% libcocos2d.dll cocos2d::CCMutableDictionary<class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> >,class cocos2d::CCTexture2D *>::next 0.00% 2.90% libcocos2d.dll GuiAddVertexShaderInfo 7.60% 8.90% libEGL.dll split 6.80% 7.70% FishingJoy_mobile.exe cocos2d::CCMutableDictionary<class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> >,class SPActor *>::next 6.40% 8.20% FishingJoy_mobile.exe xmlCleanupOutputCallbacks 5.60% 6.50% libxml2.dll cocos2d::CCUserDefault::isXMLFileExist 5.60% 6.20% libcocos2d.dll SPGameObject::getGroup 4.20% 5.10% FishingJoy_mobile.exe SPScene::getActors 3.60% 4.30% FishingJoy_mobile.exe 优化后FPS提升：20%左右 Software Service Group 14
- 15. 优化代码 Software Service Group 15
- 16. 优化小结 优化方案可能很简单，定位很关键 对待优化的态度 工具很重要 Software Service Group 16
- 17. Intel® VTune™性能分析器 主要特性 – 性能热点分析 – 并发分析 – 锁分析 操作简单 无须源码 支持Windows, Linux IDE集成 30天免费试用 Software Service Group 17
- 18. Intel®图形性能分析器（GPA） 系统分析器（HUD） 平台分析器 帧分析器 免费 – www.intel.com/software/GPA 支持Android x86 Software Service Group 18
- 19. 下一步：Android x86移动设备 Lenovo 平板 Lenovo 手机 Lava (印度), 中兴通讯， Motorola 手机 Orange ( 欧洲) Software Service Group 19
- 20. 下一步：Ultrabook 更轻，更薄，更长的续航时间，更快的响应速度 触摸支持* 加速度计，GPS等感应器*支持 近场通信支持* *Recommended, not required Software Service Group 20
- 21. Q&A 我们提供 – 开发样机支持 – 技术支持 – 应用工程师支持 联系方式 – 客户经理： 陈景伟 电话：130 1109 1109, 电邮：jenvy.chen@intel.com – 应用工程师：孙卓识 电话：186 1651 3251, 电邮：zhuoshi.sun@intel.com 谢谢！ 问题？ Software Service Group 21
- 22. Backup Software Service Group 22
- 23. VTune™ Call Stack Software Service Group 23