September 2002
Intermediate to advanced
1272 pages
31h 12m
English
Content preview from Cocoa® Programming
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Optimizing Applications
Several general principals apply to optimizing applications. The first and most important principal is not to optimize prematurely. Another important principal is that most applications spend 80% of the their time executing only 20% of the code. When optimizing an application, it is important to concentrate on optimizations that will have a noticeable affect on performance. Optimizing the 80% of the program that consumes 10% of the execution time has no noticeable affect on performance.
Premature Optimization
The famous computer scientist Donald Knuth is quoted in nearly every book that describes optimizations. He said, “Premature optimization is the root of all evil.” There are many reasons to avoid optimizing at all. ...
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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.