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

Go install – installing your binaries

go install compiles and installs a named Go program. The invocation stanza for go run is go install [-i] [build flags] [packages]

These are imported to $GOPATH/pkg. Cached items will be used on the next compilation if they haven't been modified. The resulting output from go install is an executable file that is the same as the one that gets compiled with a go build command, installed on the $GOBIN path on the system. For example, if we wanted to install our Prometheus HTTP server on our host, we could invoke a go install command, that is, GOBIN=~/prod-binaries/ go install -i prometheusExporterExample.go.

Setting our GOBIN variable tells the compiler where to install the compiled binary after compilation is complete. The go install program allows us to install the binary to our GOBIN location. The -i flag installs the dependencies...