return_values_bench.go

package main

import (
	"testing"
)

func Benchmark_Big(b *testing.B) {
	b.Run("return by value", func(b *testing.B) {
		var big bigStruct
		for n := 0; n < b.N; n++ {
			big = returnVal()
		}

		big.Var1[0] = 0
	})

	b.Run("return by named value", func(b *testing.B) {
		var big bigStruct
		for n := 0; n < b.N; n++ {
			big = returnWithName()
		}

		big.Var1[0] = 0
	})

	b.Run("return named pointer", func(b *testing.B) {
		var big *bigStruct
		for n := 0; n < b.N; n++ {
			big = returnNamedPointer()
		}

		big.Var1[0] = 0
	})

	b.Run("return pointer", func(b *testing.B) {
		var big *bigStruct
		for n := 0; n < b.N; n++ {
			big = returnPointer()
		}

		big.Var1[0] = 0
	})
}

func Benchmark_Small(b *testing.B) {

	b.Run("return pointer", func(b *testing.B) {
		var small *smallStruct
		for n := 0; n < b.N; n++ {
			small = returnPointerSmall()
		}

		small.ar[0] = 0
	})

	b.Run("return named pointer", func(b *testing.B) {
		var small *smallStruct
		for n := 0; n < b.N; n++ {
			small = returnNamedPointerSmall()
		}

		small.ar[0] = 0
	})

	b.Run("return by value", func(b *testing.B) {
		var small smallStruct
		for n := 0; n < b.N; n++ {
			small = returnValSmall()
		}

		small.ar[0] = 0
	})

	b.Run("return by named value", func(b *testing.B) {
		var small smallStruct
		for n := 0; n < b.N; n++ {
			small = returnWithNameSmall()
		}

		small.ar[0] = 0
	})
}

func Benchmark_Zendesk(b *testing.B) {

	b.Run("return pointer", func(b *testing.B) {
		var z *zendeskTicket
		for n := 0; n < b.N; n++ {
			z = returnPointerZendesk()
		}

		z.Status = ""
	})

	b.Run("return by named pointer", func(b *testing.B) {
		var z *zendeskTicket
		for n := 0; n < b.N; n++ {
			z = returnNamedPointerZendesk()
		}

		z.Status = ""
	})

	b.Run("return by value", func(b *testing.B) {
		var z zendeskTicket
		for n := 0; n < b.N; n++ {
			z = returnValZendesk()
		}

		z.Status = ""
	})

	b.Run("return by named value", func(b *testing.B) {
		var z zendeskTicket
		for n := 0; n < b.N; n++ {
			z = returnWithNameZendesk()
		}
		z.Status = ""
	})
}