Book Image

Rust High Performance

By : Iban Eguia Moraza
Book Image

Rust High Performance

By: Iban 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 (19 chapters)
Title Page
Copyright and Credits
Dedication
Packt Upsell
Contributors
Preface
Index

Standard library collections


Rust's standard library has eight different collection types in the std::collections module. They are divided into sequences, maps, sets, and a binary heap that does not fit in any group. The most well known ones are arguably HashMap and Vec, but each of them has a use case, and you should know about them to use the proper one in each moment.

The official standard library documentation is really good, so you should check it thoroughly. In any case, though, I will introduce the types so that you can familiarize yourself with them. Let's start with sequences.

Sequences

The most-used dynamic sequence in Rust and in most languages is the vector, represented in Rust as Vec. You can add elements to the back of a vector with the push() method, and get the last element back with the pop() method. You can also iterate through the vector and, by default, it will go from front to back, but you can also reverse the iterator to go from back to front. In general, a vector in...