November 1999
Intermediate to advanced
336 pages
6h 29m
English
Content preview from Efficient C++ Performance Programming TechniquesBecome 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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Key Points
Coding optimizations are local in scope and do not necessitate understanding of overall program design. This is a good place to start when you join an ongoing project whose design you don't yet understand.
The fastest code is the one that's never executed. Try the following to bail out of a costly computation:
Are you ever going to use the result? It sounds silly, but it happens. At times we perform computation and never use the results.
Do you need the results now? Defer a computation to the point where it is actually needed. Premature computations may never be used on some execution flows.
Do you know the result already? We have seen costly computations performed even though their results were available two lines above. If you already ...
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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.