January 2012
Intermediate to advanced
282 pages
7h 4m
English
Content preview from Pro Android Apps Performance OptimizationBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Graphics
Applications can spend a lot of time drawing things on the screen. Whether it is a 3D game using the GPU or simply a Calendar application using the CPU for most of its rendering, the idea is to do as little work as possible while still getting the desired results on the screen in order to preserve battery life.
As we saw earlier, the CPU uses less power when it is not running at full speed. Modern CPUs use dynamic frequency scaling and dynamic voltage scaling to conserve power or reduce heat. Such techniques are usually used together and referred to as DVFS (Dynamic Voltage and Frequency Scaling) and the Linux kernel, Android, and modern processors support such techniques.
Similarly, modern GPUs are able to turn off internal components, ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.