Low-Level Engineering in the Golang Compiler and Runtime on Linux

Kacper Bąk
3 min readApr 20, 2023
Golang Ecosystem Components
Golang Runtime Components


Golang, or simply Go, has become one of the most popular programming languages for modern software development. Created at Google, the language boasts simplicity, strong typing, and excellent support for concurrent programming. The Golang compiler and runtime work seamlessly across various platforms, including the widely used Linux operating system. In this article, we will delve into the low-level engineering aspects of the Golang compiler and runtime on Linux, discussing the challenges and opportunities for optimization.

Compiler Optimization and Code Generation

A crucial component of Golang’s success is its efficient compiler, which translates high-level Go code into machine code for the target platform. Low-level engineering in the compiler involves optimizing code generation for different CPU architectures, such as x86, ARM, and MIPS. By producing efficient machine code, the compiler ensures that Go programs run faster and consume fewer resources.

Garbage Collection