Dummy XML marshalling benchmark in Go

marshalling.go

package marshalling

import (
  "encoding/xml"
)

type Foo struct {
  Id       int    `xml:"id,attr"`
  Name     string `xml:"name,attr"`
  Email    string `xml:"email,attr"`
  Age      int    `xml:"age,attr"`
  Address  string `xml:"address,attr"`
  City     string `xml:"city,attr"`
  Country  string `xml:"country,attr"`
  Password string `xml:"password,attr"`
}

func (foo *Foo) Marshal() {
  xml.Marshal(foo)
}

func MarshalStatic() {
  xml.Marshal(Foo{1, "John Doe", "john@email.org", 32, "742 Evergreen Terrace", "Springfield", "USA", "donuts"})
}

func MarshalLiteral() {
  blah := struct {
    XMLName  xml.Name `xml:"blah"`
    Id       int    `xml:"id,attr"`
    Name     string `xml:"name,attr"`
    Email    string `xml:"email,attr"`
    Age      int    `xml:"age,attr"`
    Address  string `xml:"address,attr"`
    City     string `xml:"city,attr"`
    Country  string `xml:"country,attr"`
    Password string `xml:"password,attr"`
  }{
      Id: 1,
      Name: "John Doe",
      Email: "john@email.org",
      Age: 32,
      Address: "742 Evergreen Terrace",
      City: "Springfield",
      Country: "USA",
      Password: "donuts",
  }
  xml.Marshal(blah)
}

marshalling_test.go

package marshalling

import (
  "testing"
)

func BenchmarkMarshalLiteral(b *testing.B) {
  for i := 0; i < b.N; i++ {
    MarshalLiteral()
  }
}

func BenchmarkMarshalStatic(b *testing.B) {
  for i := 0; i < b.N; i++ {
    MarshalStatic()
  }
}

func BenchmarkMarshalStruct(b *testing.B) {
  foo := Foo{1, "John Doe", "john@email.org", 32, "742 Evergreen Terrace", "Springfield", "USA", "donuts"}
  b.ResetTimer()
  for i := 0; i < b.N; i++ {
    foo.Marshal()
  }
}

out

 λ for i in {1..5}; do go test -bench .; done
testing: warning: no tests to run
PASS
BenchmarkMarshalLiteral   200000             11951 ns/op
BenchmarkMarshalStatic    100000             12452 ns/op
BenchmarkMarshalStruct    100000             12244 ns/op
ok      _/Users/carlos/code/personal/labs/go/xml-marshalling    5.238s
testing: warning: no tests to run
PASS
BenchmarkMarshalLiteral   200000             11526 ns/op
BenchmarkMarshalStatic    100000             12195 ns/op
BenchmarkMarshalStruct    200000             12144 ns/op
ok      _/Users/carlos/code/personal/labs/go/xml-marshalling    6.320s
testing: warning: no tests to run
PASS
BenchmarkMarshalLiteral   200000             11603 ns/op
BenchmarkMarshalStatic    100000             12422 ns/op
BenchmarkMarshalStruct    100000             12120 ns/op
ok      _/Users/carlos/code/personal/labs/go/xml-marshalling    5.150s
testing: warning: no tests to run
PASS
BenchmarkMarshalLiteral   200000             11875 ns/op
BenchmarkMarshalStatic    100000             12620 ns/op
BenchmarkMarshalStruct    100000             12525 ns/op
ok      _/Users/carlos/code/personal/labs/go/xml-marshalling    5.284s
testing: warning: no tests to run
PASS
BenchmarkMarshalLiteral   200000             11874 ns/op
BenchmarkMarshalStatic    100000             12317 ns/op
BenchmarkMarshalStruct    100000             12217 ns/op
ok      _/Users/carlos/code/personal/labs/go/xml-marshalling    5.201s