GO PERFORMANCE

Go Performance Boosters: The Top 5 Tips and Tricks You Need to Know

The good news is you don’t have to master complex theoretical optimizations to get meaningful speed boosts…

Phuong Le (@func25)
6 min readJan 5, 2023

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Photo by israel palacio on Unsplash

Feel your Go code is dragging its feet a bit? I’ve been in that spot as well.

Don’t worry, you don’t need to delve deep into complex algorithms to make your code run faster. In this article, I’ll share five straightforward tips to enhance Go’s performance that have served me well in real-world applications.

Claims: While the following practices are generally beneficial, there may be instances where maximum performance isn’t a top priority. In such cases, it’s okay to make exceptions.

1. Restrict Reflection Usage

Reflection in Go is quite impressive, it allows you to examine and even alter your program’s structure and behavior in runtime.

Interesting, isn’t it?

You can utilize reflection to identify variable types, read struct’s fields, and invoke methods during runtime like this, for example:

package main

import (
"fmt"
"reflect"
)

func main() {
x := 100
v := reflect.ValueOf(x)
t := v.Type()…

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