nHibernate在托管网站上的性能降低

I have a webapp being hosted with a public hosting company, the site is not live yet, and I am still doing some testing with it. I am using nHibernate with Windsor Castle Container for dependency injection and the site seems to be responding very slow from time to time. I've contacted support but they said that it's my app not their servers. Has anyone had similar performance issues with ORM based sites when being hosted at the public hosting companies?I have a webapp being hosted with a public host