Here are my results running it in production mode (RAILS_ENV=production rails server >/dev/null 2>/dev/null): ERB: 9.619 seconds Haml: 10.893 seconds Slim: 1

Here are my results running it in production mode (RAILS_ENV=production rails server >/dev/null 2>/dev/null): ERB: 9.619 seconds Haml: 10.893 seconds Slim: 10.195 seconds Full details at https://gist.github.com/3906297 https://gist.github.com/3906297