The chart you show is inaccurate. It's using Hotspot server for Java, but interpreted Python. For a fair comparison, you should use Psyco or PyPy for the tests. I suspect you'll find it right in line with Hotspot under Java.
Also, this is probably one of the biggest cancers to HN. People writing low-quality articles, then posting it here themselves.
Are you points-farming, or are you just self-promoting? Either way you're abusing a network for mutual interest for self-serving purposes.