ruby-1.9.3-vs-2.0.0.txt

> rvm use ruby-1.9.3-p392 ; for x in 1 2 3 4 5 6 7 8; do time be rails runner "print nil"; done
Using /Users/derwiki/.rvm/gems/ruby-1.9.3-p392
bundle exec rails runner "print nil"  6.79s user 1.41s system 90% cpu 9.111 total
bundle exec rails runner "print nil"  6.50s user 1.33s system 89% cpu 8.708 total
bundle exec rails runner "print nil"  6.65s user 1.34s system 90% cpu 8.863 total
bundle exec rails runner "print nil"  7.15s user 1.49s system 90% cpu 9.548 total
bundle exec rails runner "print nil"  6.48s user 1.35s system 90% cpu 8.688 total
bundle exec rails runner "print nil"  6.55s user 1.34s system 90% cpu 8.754 total
bundle exec rails runner "print nil"  6.27s user 1.28s system 89% cpu 8.423 total
bundle exec rails runner "print nil"  6.10s user 1.24s system 89% cpu 8.216 total

> rvm use ruby-2.0.0-p0 ; for x in 1 2 3 4 5 6 7 8; do time be rails runner "print nil"; done
Using /Users/derwiki/.rvm/gems/ruby-2.0.0-p0
bundle exec rails runner "print nil"  4.97s user 1.32s system 85% cpu 7.318 total
bundle exec rails runner "print nil"  5.63s user 1.40s system 83% cpu 8.380 total
bundle exec rails runner "print nil"  4.50s user 1.14s system 86% cpu 6.562 total
bundle exec rails runner "print nil"  4.65s user 1.18s system 86% cpu 6.708 total
bundle exec rails runner "print nil"  4.33s user 1.10s system 85% cpu 6.346 total
bundle exec rails runner "print nil"  5.18s user 1.29s system 87% cpu 7.409 total
bundle exec rails runner "print nil"  4.80s user 1.15s system 86% cpu 6.898 total
bundle exec rails runner "print nil"  4.73s user 1.14s system 85% cpu 6.847 total