time rspec spec
7.26s user 2.04s system 82% cpu 11.265 total
time rails runner "puts 3"
3.91s user 1.34s system 89% cpu 5.852 total
time rspec spec
6.93s user 1.96s system 82% cpu 10.754 total
time rails runner "puts 3"
3.75s user 1.36s system 89% cpu 5.679 total