Book Image

Hands-On High Performance with Go

By : Bob Strecansky
Book Image

Hands-On High Performance with Go

By: Bob Strecansky

Overview of this book

Go is an easy-to-write language that is popular among developers thanks to its features such as concurrency, portability, and ability to reduce complexity. This Golang book will teach you how to construct idiomatic Go code that is reusable and highly performant. Starting with an introduction to performance concepts, you’ll understand the ideology behind Go’s performance. You’ll then learn how to effectively implement Go data structures and algorithms along with exploring data manipulation and organization to write programs for scalable software. This book covers channels and goroutines for parallelism and concurrency to write high-performance code for distributed systems. As you advance, you’ll learn how to manage memory effectively. You’ll explore the compute unified device architecture (CUDA) application programming interface (API), use containers to build Go code, and work with the Go build cache for quicker compilation. You’ll also get to grips with profiling and tracing Go code for detecting bottlenecks in your system. Finally, you’ll evaluate clusters and job queues for performance optimization and monitor the application for performance regression. By the end of this Go programming book, you’ll be able to improve existing code and fulfill customer requirements by writing efficient programs.
Table of Contents (20 chapters)
Section 1: Learning about Performance in Go
Section 2: Applying Performance Concepts in Go
Section 3: Deploying, Monitoring, and Iterating on Go Programs with Performance in Mind

Compile Time Evaluations in Go

The Go authors have written the language in a way that minimizes dependencies and each file declares its own dependencies. Regular syntax and module support also helps a developer improve compile times, as well as interface satisfaction. In this chapter, we will see how runtime evaluations help make Go compilation quicker, alongside using containers for building Go code and utilizing the Go build cache.

In this chapter, we will cover the following topics:

  • The Go runtime
  • GCTrace
  • GOGC
  • The Go build cache
  • Vendoring
  • Caching
  • Debugging
  • KeepAlive
  • NumCPU
  • ReadMemStats

These are all valuable topics for understanding how the Go runtime works and how you can use it to write performant code.