neq_test.go

package main_test

import (
	"testing"
)

func cmp(a, b string) bool {
	if len(a) != len(b) {
		return false
	}
	for i := 0; i < len(a); i++ {
		if a[i] != b[i] {
			return false
		}
	}
	return true
}

func eq(a, b string) bool { return a == b }

func BenchmarkCmp0(b *testing.B) {
	for i := 0; i < b.N; i++ {
		cmp("012345", "543210")
	}
}

func BenchmarkCmp1(b *testing.B) {
	for i := 0; i < b.N; i++ {
		cmp("012345", "054321")
	}
}

func BenchmarkEQ0(b *testing.B) {
	for i := 0; i < b.N; i++ {
		eq("012345", "543210")
	}
}

func BenchmarkEQ1(b *testing.B) {
	for i := 0; i < b.N; i++ {
		eq("012345", "054321")
	}
}

goos: linux
goarch: amd64
cpu: Intel(R) Core(TM) i5-8250U CPU @ 1.60GHz
BenchmarkCmp0
BenchmarkCmp0-8   	1000000000	         0.7443 ns/op
BenchmarkCmp1
BenchmarkCmp1-8   	926680519	         1.310 ns/op
BenchmarkEQ0
BenchmarkEQ0-8    	320995281	         3.656 ns/op
BenchmarkEQ1
BenchmarkEQ1-8    	333738698	         3.505 ns/op
PASS