Erubis는 레일스 성능에 도움이 될까?

      # Method to check whether template compilation is necessary.
      # The template will be compiled if the inline template or file has not been compiled yet,
      # if local_assigns has a new key, which isn't supported by the compiled code yet,
      # or if the file has changed on disk and checking file mods hasn't been disabled.

ActionView::Base 구현 일부

1. def compile_template?(template, file_name, local_assigns)
2.   if compile_time = @@compile_time[render_symbol]
3.     template_changed_since?(file_name, compile_time)
4.   else
5.     true
6.   end
   end