March 2018
Intermediate to advanced
272 pages
7h 4m
English
Content preview from Rust High Performance
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Inline assembly and naked functions
This might be one of the most interesting nightly features of Rust. Using #[feature(asm)], we will get a new macro, asm!(), which we will be able to use in our code. With this macro, we can write inline assembly to perform fine-grained operations in the code if we need further performance optimizations.
The exact syntax is still being worked on, but it already enables you to write arbitrary assembly code within your functions. This is a must for kernel development, for example, where access to CPU features can only be done by direct CPU instructions. Make sure you thoroughly test this code, since it will be unsafe to use it.
Furthermore, #[feature(naked_functions)] allows you to add the #[naked] attribute ...
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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.