I'm not sure what you expected to see. That program does nothing but generate garbage. It's going to have a high overhead to clean up that garbage.
Can you show some data from your real program? -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.