Ruby benchmarks
request-log-analyzer runs on all Rubies, but not every Ruby is created equal.
$ time ./bin/request-log-analyzer 40MBRailsFile.log
ruby-1.9.2-p180 15.19s user 0.95s system 99% cpu 16.143 total
ree-1.8.7-2011.03 22.81s user 1.28s system 92% cpu 25.938 total
ruby-1.8.7-p334 25.21s user 1.02s system 99% cpu 26.238 total
jruby-1.5.3 32.64s user 4.84s system 99% cpu 37.629 total
rbx-2.0.0pre 39.62s user 2.24s system 104% cpu 40.098 total
macruby 75.00s user 20.10s system 110% cpu 1:26.13 total