S-YOU / b64

Faster base64 encoding for Go

base64

Faster base64 encoding for Go, based on Turbo-Base64.

Features

• Drop-in replacement of encoding/base64.
  • except for error messages and ignoring \r and \n in decoder.
• up to 3 times faster than encoding/base64.
• Dependency-free.

Install

Go version 1.16+

go get github.com/cristalhq/base64

How to use

Replace import statement from encoding/base64 to github.com/cristalhq/base64

-import "encoding/base64"
+import "github.com/cristalhq/base64"

Benchmarks

go1.17 linux/amd64, Intel i7-7700

std/Encode           685.3 ns/op      0 B/op   0 allocs/op
std/EncodeToString   951.8 ns/op   2048 B/op   2 allocs/op
std/Decode           803.9 ns/op      0 B/op   0 allocs/op
std/DecodeString     1061 ns/op    1792 B/op   2 allocs/op

own/Encode           217.8 ns/op      0 B/op   0 allocs/op
own/EncodeToString   353.2 ns/op   1024 B/op   1 allocs/op
own/Decode           426.0 ns/op      0 B/op   0 allocs/op
own/DecodeString     598.7 ns/op    768 B/op   1 allocs/op

go1.17 darwin/arm64, Apple M1

std/Encode           413.0 ns/op       0 B/op  0 allocs/op
std/EncodeToString   608.3 ns/op    2048 B/op  2 allocs/op
std/Decode           372.5 ns/op       0 B/op  0 allocs/op
std/DecodeString     570.2 ns/op    1792 B/op  2 allocs/op

own/Encode           146.7 ns/op       0 B/op  0 allocs/op
own/EncodeToString   246.4 ns/op    1024 B/op  1 allocs/op
own/Decode           222.8 ns/op       0 B/op  0 allocs/op
own/DecodeString     303.1 ns/op     768 B/op  1 allocs/op

Fuzzing

Documentation

See these docs.

License

MIT License.