Railsより3倍早いとか。
% sudo gem install merb [~] Building native extensions. This could take a while... Successfully installed extlib-0.9.8 Successfully installed abstract-1.0.0 Successfully installed erubis-2.6.2 Successfully installed json_pure-1.1.3 Successfully installed thor-0.9.8 Successfully installed merb-core-1.0.3 Successfully installed RubyInline-3.8.1 Successfully installed sexp_processor-3.0.0 Successfully installed ParseTree-3.0.2 Successfully installed ruby2ruby-1.2.1 Successfully installed merb-action-args-1.0.3 Successfully installed merb-assets-1.0.3 Successfully installed merb-slices-1.0.3 Successfully installed merb-auth-core-1.0.3 Successfully installed merb-auth-more-1.0.3 Successfully installed merb-auth-slice-password-1.0.3 Successfully installed merb-auth-1.0.3 Successfully installed merb-cache-1.0.3 Successfully installed merb-exceptions-1.0.3 Successfully installed templater-0.5.0 Successfully installed merb-gen-1.0.3 Successfully installed haml-2.0.4 Successfully installed merb-haml-1.0.3 Successfully installed merb-helpers-1.0.3 Successfully installed mailfactory-1.4.0 Successfully installed merb-mailer-1.0.3 Successfully installed merb-param-protection-1.0.3 Successfully installed addressable-2.0.0 Successfully installed data_objects-0.9.8 Successfully installed dm-core-0.9.7 Successfully installed dm-migrations-0.9.7 Successfully installed merb_datamapper-1.0.3 Successfully installed merb-more-1.0.3 Successfully installed do_sqlite3-0.9.8 Successfully installed dm-timestamps-0.9.7 Successfully installed uuidtools-1.0.4 Successfully installed dm-types-0.9.7 Successfully installed dm-aggregates-0.9.7 Successfully installed dm-validations-0.9.7 Successfully installed randexp-0.1.4 Successfully installed dm-sweatshop-0.9.7 Successfully installed merb-1.0.3 42 gems installed
多いよ！
でもシンプルなのはいいよね。
