November 2005
Beginner
590 pages
13h 23m
English
Content preview from Beginning AlgorithmsBecome 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,
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.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.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.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.
Chapter 19. Pragmatic Optimization
You might be wondering what the chapter about optimization is doing way at the back of the book. Its placement here reflects our philosophy that optimization does not belong at the forefront of your mind when building your applications. This chapter describes the role of optimization, including when and how to apply it, and demonstrates some very practical techniques to get great performance improvements in the software you build. You'll be encouraged to keep your design clean and clear as the first order of business, and use hard facts to drive the optimization process. Armed with this knowledge, you will be able to measure your progress and identify when the optimization effort has stopped adding value.
In this chapter, you learn the following:
How optimization fits into the development process
What profiling is and how it works
How to profile an application using the standard Java virtual machine mechanism
How to profile an application using the free Java Memory Profiler tool
How to identify performance issues related to both the CPU and memory usage
How to achieve huge performance increases with small and strategic alterations to code
Where Optimization Fits In
Optimization is an important part of software development, but not as important as you might think. We recommend that you take time to accumulate an awareness of the types of issues that affect performance in your particular programming environment, and keep them in mind as you code. For example, ...
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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.