Go is a language designed with concurrency in mind. Concurrency is the ability to execute independent processes. Goroutines are a construct in Go that can help with concurrency. They are often referred to as lightweight threads—for good reason. In other languages, threads are handled by the OS. This, in turn, uses a larger-sized call stack and usually handles less concurrency with a given memory stack size. Goroutines are functions or methods that run within the Go runtime concurrently and don't connect to the underlying OS. The scheduler within the Go language manages goroutines' life cycles. The system's scheduler has a lot of overhead as well, so limiting the number of threads being utilized can help to improve performance.
Hands-On High Performance with Go
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Hands-On High Performance with Go
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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.
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Hands-On High Performance with Go
Table of Contents (20 chapters)
Preface
Section 1: Learning about Performance in Go
Free Chapter
Introduction to Performance in Go
Data Structures and Algorithms
Understanding Concurrency
STL Algorithm Equivalents in Go
Matrix and Vector Computation in Go
Section 2: Applying Performance Concepts in Go
Composing Readable Go Code
Template Programming in Go
Memory Management in Go
GPU Parallelization in Go
Compile Time Evaluations in Go
Section 3: Deploying, Monitoring, and Iterating on Go Programs with Performance in Mind
Building and Deploying Go Code
Profiling Go Code
Tracing Go Code
Clusters and Job Queues
Comparing Code Quality Across Versions
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