Hi! Thanks for all your answers. And of course you are right, when you say that I just have to benchmark it.
After struggling with some minor problems with Yaswi from mod_perl, I can now say that the performance impact is indeed quite small when using Language::Prolog::Yaswi. I compared - Language::Prolog::Yaswi from within a mod_perl application, - the same mod_perl framework without calls ti L::P::Yaswi, - the pure prolog httpd that is delivered with SWI Prolog. I used the threaded stress tester that comes with the swi prolog htttpd and measured time needed for 10000 requests from 8 threads). (Apache 1.3, mod_perl 1, Athlon 1800+) - mod_perl+Yaswi takes about 29sec. - plain mod_perl takes about 26sec. - httpd from swi takes about 20sec. As you can see, using Yaswi doesn't make my application much slower than it already is. GreetinX Steffen -- Steffen Schwigon <[EMAIL PROTECTED]> Dresden Perl Mongers <http://dresden-pm.org/>
