> time npm test
> [email protected] test /Users/dgasienica/workspace/node-deepzoomtools
> node_modules/.bin/_coffee test
real 1m48.201s
user 1m33.515s
sys 0m13.699s> time vips dzsave images/1.jpg images/1-vips --overlap=1 --tile-width=254 --tile-height=254 --suffix=.jpg
real 0m1.651s
user 0m1.573s
sys 0m1.643s