Hello,
I made know a testside:
test16.simple-quality.de/
with a fresh install (Joomla 1.5.23, CB 1.4, Kunena 1.6.5).
I delete all tables in the database from CB and Kunena and the users and copied from these from my original database.
With core SEF-URLS I had now:
Profile Information
Application afterLoad: 0.001 seconds, 0.46 MB
Application afterInitialise: 0.045 seconds, 4.83 MB
Application afterRoute: 0.052 seconds, 5.67 MB
Application afterDispatch: 1.241 seconds, 27.15 MB
Application afterRender: 1.320 seconds, 28.40 MB
Memory Usage
29829232
246 queries logged
And with no SEF-URLS:
Profile Information
Application afterLoad: 0.001 seconds, 0.46 MB
Application afterInitialise: 0.045 seconds, 4.84 MB
Application afterRoute: 0.052 seconds, 5.67 MB
Application afterDispatch: 0.940 seconds, 27.06 MB
Application afterRender: 1.012 seconds, 28.16 MB
Memory Usage
29578696
169 queries logged
And with no SEF-URLS and no CB integration in Kunena:
Profile Information
Application afterLoad: 0.001 seconds, 0.46 MB
Application afterInitialise: 0.047 seconds, 4.84 MB
Application afterRoute: 0.054 seconds, 5.67 MB
Application afterDispatch: 0.561 seconds, 14.31 MB
Application afterRender: 0.666 seconds, 19.24 MB
Memory Usage
20222184
163 queries logged
And with SEF-URLS and no CB integration in Kunena:
Profile Information
Application afterLoad: 0.001 seconds, 0.46 MB
Application afterInitialise: 0.047 seconds, 4.84 MB
Application afterRoute: 0.055 seconds, 5.67 MB
Application afterDispatch: 0.969 seconds, 13.79 MB
Application afterRender: 1.085 seconds, 18.90 MB
Memory Usage
19869352
164 queries logged
As comparison, could you tell me that do you have here on joomlapolis?