Before (with fast_remote_cache deploy strategy):
$ time cap staging deploy:update ... real 1m56.811s user 0m0.560s sys 0m0.118s
After:
$ time cap staging deploy:update ... real 0m19.987s user 0m0.538s sys 0m0.110s
This is still beta software - be warned.
script/plugin install git://github.com/smtlaissezfaire/fast_git_deploy.git
cap deploy:warm
cap deploy:setup cap deploy:cold cap deploy