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Unity 5  Game Optimization

You're reading from   Unity 5 Game Optimization Master performance optimization for Unity3D applications with tips and techniques that cover every aspect of the Unity3D Engine

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Product type Paperback
Published in Nov 2015
Publisher Packt
ISBN-13 9781785884580
Length 296 pages
Edition 1st Edition
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Chris Dickinson Chris Dickinson
Author Profile Icon Chris Dickinson
Chris Dickinson
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Table of Contents (10) Chapters Close

Profiling rendering issues

Poor rendering performance can manifest itself in a number of ways, depending on whether the device is CPU-bound, or GPU-bound; in the latter case, the root cause could originate from a number of places within the graphics pipeline. This can make the investigatory stage rather involved, but once the source of the bottleneck is discovered and the problem is resolved, we can expect significant improvements as small fixes tend to reap big rewards when it comes to the rendering subsystem.

We briefly touched upon the subject of being CPU/GPU-bound in Chapter 3, The Benefits of Batching. To summarize the earlier discussion, we know that the CPU sends rendering instructions through the graphics API, that funnel through the hardware driver to the GPU device, which results in commands entering the GPU's Command Buffer. These commands are processed by the massively parallel GPU system one by one until the buffer is empty. But there are a lot more nuances involved in...

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