package main import ( "testing" ) // go test -bench=. clear_test.go func BenchmarkClearWithFive(b *testing.B) { data := make([]int, 10*1024) for i := 0; i < b.N; i++ { for idx := range data { data[idx] = 5 } } } func BenchmarkClearWithZero(b *testing.B) { data := make([]int, 10*1024) for i := 0; i < b.N; i++ { for idx := range data { data[idx] = 0 } } }