Also Rhino has access to the JVM, which means it can do Parallel processing just fine as Scala's parallel collections[1] can be used on any of these languages.

Also Rhino has access to the JVM, which means it can do Parallel processing just fine as Scala's parallel collections[1] can be used on any of these languages. You can even use ForkJoin Parallel Array[2] implementation, which is the engine that powers Scala's parallel collections. [1] http://dcsobral.blogspot.com/2011/05/scala-29-and-parallel-collections.html http://dcsobral.blogspot.com/2011/05/scala-29-and-parallel-c... [2] http://www.infoq.com/news/2008/03/fork_join http://www.infoq.com/news/2008/03/fork_join