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Android devices running on battery need to be optimized for power. When taking a look at the CPU this optimization starts typically with the race to idle, meaning to go to finish the workload as fast as possible.
However typical Android devices are running on a SoC with many other parts like GPU, hardware decoders, sensors, 2G/3G/4G/Wifi modules... All these parts need to be optimized to reduce the power consumption, but the biggest part of the problem/solution are applications themselves.
Guessing what software is actually causing high power consumption and mitigating it aren't simple tasks. In this session You will explore typical causes of high power consumption, how to debug them and provide possible solutions.
Android provides a number of APIs, OS tricks, and developer tools around power consumption, you will also get to know, learn, and understand them through this talk.
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Xavier Hallade is a software engineer at Intel Software and Services Group in Paris, France, where he works on a wide range of Android frameworks, libraries and applications, helping developers to improve their support for new hardware and technologies.