If it started once and watched files for changes, it would only be the compile time (which, if fast, would be great). As it is, the total time is the only one t

If it started once and watched files for changes, it would only be the compile time (which, if fast, would be great). As it is, the total time is the only one that counts, as it is the one that affects your productivity. JRuby guys were so aware of this that they actively promoted nailgun[1]. [1] http://www.martiansoftware.com/nailgun/ http://www.martiansoftware.com/nailgun/