Roger Pack wrote:
>> Long story short, JRuby 1.1 is now generally faster than Ruby 1.8.6, and
>> for most execution benchmarks it is the fastest 1.8-compatible Ruby
>> implementation available. 
> 
> Congrats on such an important benchmark!  What made the difference 1.0 
> to 1.1?

Mostly the compiler, but there's been a number of optimizations across 
the whole runtime and most of the core classes.

- Charlie