parallel_tests: Ruby: 2 CPUs = 2x Testing Speed for RSpec, Test::Unit and Cucumber

Ruby: 2 CPUs = 2x Testing Speed for RSpec, Test::Unit and Cucumber - GitHub - grosser/parallel_tests: Ruby: 2 CPUs = 2x Testing Speed for RSpec, Test::Unit andSpeedup Test::Unit RSpec Cucumber Spinach by running parallel on multiple CPU cores.ParallelTests splits tests into even groups (by number of lines or runtime) and runs each group in a single process with its own database.