June 2025
Beginner to intermediate
1180 pages
37h 48m
English
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14.9 CPU Tuning
Modern CPUs provide many options to analyze and influence their behavior. In this section, I'll explain how you can determine the current clock frequency and temperature and how to disable the turbo boost function. The examples refer to Intel CPUs. AMD CPUs provide quite similar control options but require different tools and use different /proc or /sys paths.
You can get information about the CPU in your computer using the lscpu command or via cat /proc/cpuinfo. The easiest way to determine the number of CPU cores is to use the nproc command. If the CPU supports hyperthreading, then nproc displays twice as many cores as there actually are. To find out how many “real” cores are available, you can use the second of the following ...
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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.