$ time lein uberjar
Compiling foo.bar
Created target/bar-0.1.0-SNAPSHOT.jar
Created target/bar-0.1.0-SNAPSHOT-standalone.jar
real 0m6.654s
user 0m7.224s
sys 0m1.596s
$ time boot uberjar
Adding uberjar entries...
Compiling 1/1 foo.bar...
Writing pom.xml and pom.properties...
Writing bar-0.1.0-SNAPSHOT.jar...
Sifting output files...
Writing target dir(s)...
real 0m6.329s
user 0m9.584s
sys 0m0.808s