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Evaluating Performance Problems

Performance evaluation for most software products is a very scientific process. First, we determine the maximum/minimum supported performance metrics, such as the allowed memory usage, acceptable CPU consumption, and the number of concurrent users. Next, we perform load testing against the application in scenarios with a version of the application built for the target platform, and test it while gathering instrumentation data. Once this data is collected, we analyze and search it for performance bottlenecks. If problems are discovered, we complete a Root Cause Analysis (RCA), and then make changes in the configuration or application code to fix the issue and repeat it.

Although game development is a very artistic process, it is still exceptionally technical. Our game should have a target audience in mind, which can tell us what hardware limitations...

Key benefits

Optimize CPU cycles, memory usage, and GPU throughput for any Unity3D application

Master optimization techniques across all Unity Engine features including Scripting, Asset Management, Physics, Graphics Features, and Shaders

A practical guide to exploring Unity Engine's many performance-enhancing methods

Description

Competition within the gaming industry has become significantly fiercer in recent years with the adoption of game development frameworks such as Unity3D. Through its massive feature-set and ease-of-use, Unity helps put some of the best processing and rendering technology in the hands of hobbyists and professionals alike. This has led to an enormous explosion of talent, which has made it critical to ensure our games stand out from the crowd through a high level of quality. A good user experience is essential to create a solid product that our users will enjoy for many years to come. Nothing turns gamers away from a game faster than a poor user-experience. Input latency, slow rendering, broken physics, stutters, freezes, and crashes are among a gamer's worst nightmares and it's up to us as game developers to ensure this never happens. High performance does not need to be limited to games with the biggest teams and budgets. Initially, you will explore the major features of the Unity3D Engine from top to bottom, investigating a multitude of ways we can improve application performance starting with the detection and analysis of bottlenecks. You'll then gain an understanding of possible solutions and how to implement them. You will then learn everything you need to know about where performance bottlenecks can be found, why they happen, and how to work around them. This book gathers a massive wealth of knowledge together in one place, saving many hours of research and can be used as a quick reference to solve specific issues that arise during product development.

What you will learn

Use the Unity Profiler to find bottlenecks anywhere in our application, and discover how to resolve them

Implement best-practices for C# scripting to avoid common pitfalls

Develop a solid understanding of the rendering pipeline, and maximize its performance through reducing draw calls and avoiding fill rate bottlenecks

Enhance shaders in a way that is accessible to most developers, optimizing them through subtle yet effective performance tweaks

Keep our scenes as dynamic as possible by making the most of the Physics engine

Organize, filter, and compress our art assets to maximize performance while maintaining high quality

Pull back the veil on the Mono Framework and the C# Language to implement low-level enhancements that maximize memory usage and avoid garbage collection

Get to know the best practices for project organization to save time through an improved workflow

What do you get with eBook?