gistfile1.txt

time uglifyjs application-562d06f26173e4aac152e64bfb6e0981.js -c -m > b.js     

4.98s user 0.16s system 101% cpu 5.077 total

---

require 'uglifier'
f = File.read("application-562d06f26173e4aac152e64bfb6e0981.js")
c = Uglifier.compile(f)
File.open("a.js", 'w') do |f|
  f.write(c)
end

---

time ruby test.rb
ruby test.rb  33.71s user 0.36s system 100% cpu 33.991 total



% ls -al ?.js 
-rw-rw-r-- 1 sam sam 1154635 Dec 12 12:24 a.js
-rw-rw-r-- 1 sam sam 1154619 Dec 12 12:20 b.j


---


Uglifyjs via gem: 33 seconds, via node 5 seconds.