That's not quite apples-to-apples though: cat /dev/zero | pv > /dev/null uses a pipe like the 'yes' line above, but runs substantially slower on my computer t

That's not quite apples-to-apples though: cat /dev/zero | pv > /dev/null uses a pipe like the 'yes' line above, but runs substantially slower on my computer than the redirect-only version.