January 2019
Intermediate to advanced
384 pages
11h 50m
English
Content preview from Hands-On High Performance Programming with Qt 5
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Types of profilers
The problem is, as we mentioned, we don't know what the program, the operating system or the hardware are exactly doing, and how much time each of them needs. So, we have to obtain this information somehow. The process of doing so is called profiling (creating the program's execution profile), and the tools we use to do that are called profilers. There are the following general approaches used to obtain performance data:
- Program instrumentation
- Runtime sampling
- Reading hardware or operating system counters
Let's look at each of these approaches in more detail.
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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.