func Benchmark_MapKey(b *testing.B) {
    var length = 100000
    var intMap, strMap = make(map[int]bool), make(map[string]bool)
    var intSlice, strSlice = make([]int, length), make([]string, length)
    for i := 0; i < length; i++ {
        intSlice[i] = i
        strSlice[i] = strconv.Itoa(i)
    }
    b.Run("intSlice", func(b *testing.B) {
        for i := 0; i < b.N; i++ {
            _ = intSlice[i%length]
        }
    })
    b.Run("strSlice", func(b *testing.B) {
        for i := 0; i < b.N; i++ {
            _ = strSlice[i%length]
        }
    })
    b.Run("intSet", func(b *testing.B) {
        for i := 0; i < b.N; i++ {
            intMap[intSlice[i%length]] = (i%2 == 0)
        }
    })
    b.Run("intGet", func(b *testing.B) {
        for i := 0; i < b.N; i++ {
            _ = intMap[intSlice[i%length]]
        }
    })
    b.Run("strSet", func(b *testing.B) {
        for i := 0; i < b.N; i++ {
            strMap[strSlice[i%length]] = (i%2 == 0)
        }
    })
    b.Run("strGet", func(b *testing.B) {
        for i := 0; i < b.N; i++ {
            _ = strMap[strSlice[i%length]]
        }
    })
}

goos: windows
goarch: amd64
pkg: xxxxxx
cpu: AMD Ryzen 5 5600G with Radeon Graphics         
Benchmark_MapKey/intSlice-12             745706593             1.595 ns/op           0 B/op           0 allocs/op
Benchmark_MapKey/strSlice-12             755215707             1.596 ns/op           0 B/op           0 allocs/op
Benchmark_MapKey/intSet-12               41379309            26.19 ns/op           0 B/op           0 allocs/op
Benchmark_MapKey/intGet-12               51822198            22.27 ns/op           0 B/op           0 allocs/op
Benchmark_MapKey/strSet-12               36364297            28.10 ns/op           0 B/op           0 allocs/op
Benchmark_MapKey/strGet-12               43037130            27.77 ns/op           0 B/op           0 allocs/op