Speed Up Mac Dock

I always have the dock on my Mac setup to autohide. But the default setup is far too slow!

defaults write com.apple.dock autohide-time-modifier -float 0
defaults write com.apple.Dock autohide-delay -float 0
killall Dock

To return to defaults:

defaults delete com.apple.dock autohide-time-modifie
defaults delete com.apple.Dock autohide-delay
killall Dock