Erlang & performance / watt

[Michael Fogeborg]

How does Erlang compete here ?
Any advantages when it comes to performance / watt ?

http://www.acmqueue.com/modules.php?name=Content&pa=showpage&pid=330

A quote from the article:
"....
The complexity of parallel software can slow down programmer productivity 
by making it more difficult to write correct and efficient programs. 
Computer science students' limited exposure to parallel programming, lack 
of popular languages with native support for parallelism
...."

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