I wrapped Hongli’s simple merge sort benchmark described here:
in Ruby’s Benchmark library and did a more detailed comparison of
1.8.6, 1.9 trunk, and JRuby running on Java 1.5, 1.6, and 1.7.
The fastest “safe” result shows that JRuby running on Java 1.6 on
MacOS X* is a little more than twice as fast as Ruby 1.9.
I also have measurements using the “-fast” option with JRuby that
show a performance almost 2.5 times that of Ruby 1.9 – but the use
of this option is still experimental.
- Apple’s Java 1.6 is 64-bit and always runs in server mode
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