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  • Book Overview & Buying Rust High Performance
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Rust High Performance

Rust High Performance

By : Eguia Moraza
3 (3)
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Rust High Performance

Rust High Performance

3 (3)
By: Eguia Moraza

Overview of this book

This book teaches you how to optimize the performance of your Rust code so that it is at the same level as languages such as C/C++. You'll understand and fi x common pitfalls, learn how to improve your productivity by using metaprogramming, and speed up your code. You will master the features of the language, which will make you stand out, and use them to greatly improve the efficiency of your algorithms. The book begins with an introduction to help you identify bottlenecks when programming in Rust. We highlight common performance pitfalls, along with strategies to detect and resolve these issues early. We move on to mastering Rust's type system, which will enable us to optimize both performance and safety at compile time. You will learn how to effectively manage memory in Rust, mastering the borrow checker. We move on to measuring performance and you will see how this affects the way you write code. Moving forward, you will perform metaprogramming in Rust to boost the performance of your code and your productivity. Finally, you will learn parallel programming in Rust, which enables efficient and faster execution by using multithreading and asynchronous programming.
Table of Contents (13 chapters)
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Understanding futures


If we use the std::io::Read and std::io::Write traits in our code, we will be able to easily read and write data from I/O interfaces, but every time we do it, the thread doing the call will block until the data is received. Luckily, the great crate ecosystem Rust has brings us great opportunities to improve this situation.

In many programming languages, you can find the concept of not yet available data. In JavaScript, for example, they are called promises, and in Rust, we call them futures. A future represents any data that will be available at some point in the future but may not be available yet. You can check whether a future has a value at any time, and get it if it does. If not, you can either perform some computation in the meantime or block the current thread until the value gets there.

Rust futures not only give us this feature, but they even give us tons of helpful APIs that we can use to improve the readability and reduce the amount of code written. The futures...

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