NHibernateで一括挿入操作を高速化

以下はうまくいくはずです、

var testObjects = CreateTestObjects(500000);

var stopwatch = new Stopwatch();
stopwatch.Start();
using (IStatelessSession session = sessionFactory.OpenStatelessSession())
using (ITransaction transaction = session.BeginTransaction())
{
    foreach (var testObject in testObjects)
        session.Insert(testObject);
    transaction.Commit();
}

stopwatch.Stop();
var time = stopwatch.Elapsed;

参照：http：//nhibernate.info/blog/2008/10/30/bulk-data-operations-with-nhibernate-s-stateless-sessions.html