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Hands-On High Performance with Go

Hands-On High Performance with Go

By : Strecansky
3.6 (5)
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Hands-On High Performance with Go

Hands-On High Performance with Go

3.6 (5)
By: 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)
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1
Section 1: Learning about Performance in Go
7
Section 2: Applying Performance Concepts in Go
13
Section 3: Deploying, Monitoring, and Iterating on Go Programs with Performance in Mind

Allocating memory

The main memory that a computer has is used for many things. The Memory Management Unit (MMU) is a piece of computer hardware that translates between physical and virtual memory addresses. When a CPU performs an instruction that uses a memory address, the MMU takes that logical memory address and translates it to a physical memory address. These are handled in groupings of physical memory addresses called pages. Pages are usually handled in 4 kB segments, using a table called a page table. The MMU also has other functionality, including using buffers, such as the Translation Lookaside Buffer (TLB), to hold recently accessed translations.

Virtual memory is helpful because it does the following:

  • Allows hardware device memory to be mapped to an address space
  • Allows access permissions (rwx) for particular memory regions
  • Allows processes to have separate memory mappings...

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