benchmark different way to compare encoded integer in golang

benchmark_integer_compare.go

package test

import (
	"bytes"
	"encoding/binary"
	"testing"
)

var bz1, bz2 [8]byte

func init() {
	binary.LittleEndian.PutUint64(bz1[:], 10000000000)
	binary.LittleEndian.PutUint64(bz2[:], 90000000000)
}

func BenchmarkBytesCompare(b *testing.B) {
	var result bool
	b.ReportAllocs()
	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		result = bytes.Compare(bz1[:], bz2[:]) == -1
	}
	_ = result
}

func BenchmarkIntCompare(b *testing.B) {
	var result bool
	b.ReportAllocs()
	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		result = binary.LittleEndian.Uint64(bz1[:]) < binary.LittleEndian.Uint64(bz2[:])
	}
	_ = result
}

result.txt

$ go test -run=^$ -bench=. -benchmem ./bench_test.go -count=10
goos: darwin
goarch: amd64
cpu: Intel(R) Core(TM) i7-9750H CPU @ 2.60GHz
BenchmarkBytesCompare-12    	405647505	         2.953 ns/op	       0 B/op	       0 allocs/op
BenchmarkBytesCompare-12    	401131813	         3.067 ns/op	       0 B/op	       0 allocs/op
BenchmarkBytesCompare-12    	403421892	         2.901 ns/op	       0 B/op	       0 allocs/op
BenchmarkBytesCompare-12    	412267639	         2.831 ns/op	       0 B/op	       0 allocs/op
BenchmarkBytesCompare-12    	401907520	         2.838 ns/op	       0 B/op	       0 allocs/op
BenchmarkBytesCompare-12    	404371197	         2.887 ns/op	       0 B/op	       0 allocs/op
BenchmarkBytesCompare-12    	416122317	         2.847 ns/op	       0 B/op	       0 allocs/op
BenchmarkBytesCompare-12    	411978972	         2.824 ns/op	       0 B/op	       0 allocs/op
BenchmarkBytesCompare-12    	416628940	         2.836 ns/op	       0 B/op	       0 allocs/op
BenchmarkBytesCompare-12    	416411857	         2.817 ns/op	       0 B/op	       0 allocs/op
BenchmarkIntCompare-12      	1000000000	         0.2500 ns/op	       0 B/op	       0 allocs/op
BenchmarkIntCompare-12      	1000000000	         0.2480 ns/op	       0 B/op	       0 allocs/op
BenchmarkIntCompare-12      	1000000000	         0.2397 ns/op	       0 B/op	       0 allocs/op
BenchmarkIntCompare-12      	1000000000	         0.2391 ns/op	       0 B/op	       0 allocs/op
BenchmarkIntCompare-12      	1000000000	         0.2388 ns/op	       0 B/op	       0 allocs/op
BenchmarkIntCompare-12      	1000000000	         0.2414 ns/op	       0 B/op	       0 allocs/op
BenchmarkIntCompare-12      	1000000000	         0.2385 ns/op	       0 B/op	       0 allocs/op
BenchmarkIntCompare-12      	1000000000	         0.2400 ns/op	       0 B/op	       0 allocs/op
BenchmarkIntCompare-12      	1000000000	         0.2407 ns/op	       0 B/op	       0 allocs/op
BenchmarkIntCompare-12      	1000000000	         0.2409 ns/op	       0 B/op	       0 allocs/op
PASS
ok  	command-line-arguments	18.404s