On 19 March 2012 16:46, Chinna <[email protected]> wrote:
> I have been evaluating the performance of NHibernate and ADO.NET. I
> have created a test application which has an Employee table with
> 75,000 records. When I try to get data using NHibernate it is very
> slow compare to ADO.NET, it’s about 290% (approx.) slower.

See: http://ormbattle.net/ , which reports a similar slowdown for
NHibernate cf. SqlClient (see Performance scorecard > Multiple
Operations > Create Instance).

It's the price you pay for the power that an ORM gives.

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