The Computer Language Benchmarks Game
shootout.alioth.debian.org
shootout.alioth.debian.org
On the other hand, PHP, Python, and Ruby are an order of magnitude slower, and Perl is two orders of magnitude slower.
Python and Ruby syntax is cool, but performance is taxed. My current choice remains Scala at the moment, as a balance in concisity/verbosity, performance beautyness y power.
But they are not. They are pretty take twice as long or longer. That's a long time to wait for something.
Humans think of speed on a logarithmic scale.