Comment 5 for bug 486182

I don't know what a typical site is, as every application on top of Zope2 is heavily customized. For now, Zope 2.12 is too new to test complex projects, such as Plone and ERP5, so I made a simple test against the default installation of ZWiki 2:

(original)
$ ab -n 500 http://localhost:8080/zwiki/FrontPage
This is ApacheBench, Version 2.3 <$Revision: 655654 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking localhost (be patient)
Completed 100 requests
Completed 200 requests
Completed 300 requests
Completed 400 requests
Completed 500 requests
Finished 500 requests

Server Software: Zope/(2.12.2-dev,
Server Hostname: localhost
Server Port: 8080

Document Path: /zwiki/FrontPage
Document Length: 7679 bytes

Concurrency Level: 1
Time taken for tests: 54.929 seconds
Complete requests: 500
Failed requests: 0
Write errors: 0
Total transferred: 3983000 bytes
HTML transferred: 3839500 bytes
Requests per second: 9.10 [#/sec] (mean)
Time per request: 109.857 [ms] (mean)
Time per request: 109.857 [ms] (mean, across all concurrent requests)
Transfer rate: 70.81 [Kbytes/sec] received

Connection Times (ms)
              min mean[+/-sd] median max
Connect: 0 0 0.1 0 1
Processing: 106 110 3.9 109 149
Waiting: 95 109 3.9 108 148
Total: 107 110 3.9 109 149

Percentage of the requests served within a certain time (ms)
  50% 109
  66% 109
  75% 109
  80% 110
  90% 116
  95% 119
  98% 121
  99% 122
 100% 149 (longest request)
$ ab -n 500 'http://localhost:8080/zwiki/FrontPage/searchwiki?expr=this'
This is ApacheBench, Version 2.3 <$Revision: 655654 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking localhost (be patient)
Completed 100 requests
Completed 200 requests
Completed 300 requests
Completed 400 requests
Completed 500 requests
Finished 500 requests

Server Software: Zope/(2.12.2-dev,
Server Hostname: localhost
Server Port: 8080

Document Path: /zwiki/FrontPage/searchwiki?expr=this
Document Length: 5642 bytes

Concurrency Level: 1
Time taken for tests: 39.018 seconds
Complete requests: 500
Failed requests: 0
Write errors: 0
Total transferred: 2920000 bytes
HTML transferred: 2821000 bytes
Requests per second: 12.81 [#/sec] (mean)
Time per request: 78.035 [ms] (mean)
Time per request: 78.035 [ms] (mean, across all concurrent requests)
Transfer rate: 73.08 [Kbytes/sec] received

Connection Times (ms)
              min mean[+/-sd] median max
Connect: 0 0 0.0 0 1
Processing: 75 78 3.1 77 110
Waiting: 67 77 3.0 76 108
Total: 75 78 3.1 77 110

Percentage of the requests served within a certain time (ms)
  50% 77
  66% 78
  75% 78
  80% 78
  90% 79
  95% 86
  98% 88
  99% 90
 100% 110 (longest request)

(modified)
$ ab -n 500 http://localhost:8080/zwiki/FrontPage
This is ApacheBench, Version 2.3 <$Revision: 655654 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking localhost (be patient)
Completed 100 requests
Completed 200 requests
Completed 300 requests
Completed 400 requests
Completed 500 requests
Finished 500 requests

Server Software: Zope/(2.12.2-dev,
Server Hostname: localhost
Server Port: 8080

Document Path: /zwiki/FrontPage
Document Length: 7680 bytes

Concurrency Level: 1
Time taken for tests: 54.630 seconds
Complete requests: 500
Failed requests: 0
Write errors: 0
Total transferred: 3983500 bytes
HTML transferred: 3840000 bytes
Requests per second: 9.15 [#/sec] (mean)
Time per request: 109.260 [ms] (mean)
Time per request: 109.260 [ms] (mean, across all concurrent requests)
Transfer rate: 71.21 [Kbytes/sec] received

Connection Times (ms)
              min mean[+/-sd] median max
Connect: 0 0 0.1 0 2
Processing: 106 109 3.6 108 139
Waiting: 99 108 3.5 107 138
Total: 106 109 3.6 108 140

Percentage of the requests served within a certain time (ms)
  50% 108
  66% 109
  75% 109
  80% 109
  90% 114
  95% 118
  98% 119
  99% 125
 100% 140 (longest request)
$ ab -n 500 'http://localhost:8080/zwiki/FrontPage/searchwiki?expr=this'
This is ApacheBench, Version 2.3 <$Revision: 655654 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking localhost (be patient)
Completed 100 requests
Completed 200 requests
Completed 300 requests
Completed 400 requests
Completed 500 requests
Finished 500 requests

Server Software: Zope/(2.12.2-dev,
Server Hostname: localhost
Server Port: 8080

Document Path: /zwiki/FrontPage/searchwiki?expr=this
Document Length: 5642 bytes

Concurrency Level: 1
Time taken for tests: 38.907 seconds
Complete requests: 500
Failed requests: 0
Write errors: 0
Total transferred: 2920000 bytes
HTML transferred: 2821000 bytes
Requests per second: 12.85 [#/sec] (mean)
Time per request: 77.814 [ms] (mean)
Time per request: 77.814 [ms] (mean, across all concurrent requests)
Transfer rate: 73.29 [Kbytes/sec] received

Connection Times (ms)
              min mean[+/-sd] median max
Connect: 0 0 0.0 0 0
Processing: 75 78 3.1 77 108
Waiting: 64 77 3.0 76 106
Total: 75 78 3.1 77 108

Percentage of the requests served within a certain time (ms)
  50% 77
  66% 77
  75% 78
  80% 78
  90% 79
  95% 86
  98% 88
  99% 90
 100% 108 (longest request)

So the speedup is not dramatic in this case, but still slightly faster consistently.