Benchmark - running an empty spec file on Ruby 1.9.2 vs 1.9.3

gistfile1.txt

### without spork

$ rvm 1.9.2
$ ruby -v
ruby 1.9.2p290 (2011-07-09 revision 32553) [x86_64-darwin11.2.0]
$ time bundle exec rspec spec/controllers/notifications_controller_spec.rb 
No DRb server is running. Running in local process instead ...
No examples found.

Finished in 0.10633 seconds
0 examples, 0 failures

real    0m37.946s
user    0m35.362s
sys     0m2.302s

$ rvm 1.9.3
$ ruby -v
ruby 1.9.3p0 (2011-10-30 revision 33570) [x86_64-darwin11.2.0]
$ time bundle exec rspec spec/controllers/notifications_controller_spec.rb 
No DRb server is running. Running in local process instead ...
No examples found.

Finished in 0.01557 seconds
0 examples, 0 failures

real    0m15.837s
user    0m14.367s
sys     0m1.346s


### with spork

$ rvm 1.9.2
$ time bundle exec rspec spec/controllers/notifications_controller_spec.rb 
No examples found.

Finished in 0.01971 seconds
0 examples, 0 failures

real    0m20.816s
user    0m3.876s
sys     0m0.357s

$ rvm 1.9.3
$ time bundle exec rspec spec/controllers/notifications_controller_spec.rb 
No examples found.

Finished in 0.00979 seconds
0 examples, 0 failures

real    0m8.507s
user    0m3.063s
sys     0m0.135s