Patrick was curious about CGI:

     ab -n 500
                 Requests per second
     SCGI        396.83
     mod_python  357.91
     FastCGI     248.88
     CGI         5.95


     ab -n 1000 -c 3

                 Requests per second  Time per request (mean, [ms])
     SCGI        403.88               7.43
     mod_python  336.47               8.92
     FastCGI     249.69               12.02
     CGI         6.06                 495.11