Michael Galpin attempts to shed more light on the performance behaviour between Scala and Java, using a numeric algorithm as a basis for comparison. Read Michaeal's results on Scala vs Java performance: http://fupeg.blogspot.com/2008/06/scala-vs-java-performance.html Read the details behind the numeric algorithm used for the test: http://fupeg.blogspot.com/2008/06/base-meeting.html