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Integrating Automapper with an MVC Result Filter Integrating Automapper with an MVC Result Filter

Published on May 4, 2015 by Jamie Munro

Please note this is an excerpt from Chapter 9 of my ASP.NET MVC 5 with Bootstrap and Knockout.js book. In this chapter I provide a brief overview of the 5 different MVC filters and then over the next two chapters provide detail examples of each. The following post is leveraging the example of a Result Filter.

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Tags: ASP.NET | mvc | automapper | mvc5

Automapper Performance Testing Automapper Performance Testing

Published on May 27, 2013 by Jamie Munro

I hate typing more lines of code then I need to; especially something as simple as mapping a domain model to a view model.  Enter Automapper!

By performing a one-liner:
 Mapper.Map<Customer, CustomerViewItem>(customer);
I can quickly map my domain models to my view models.

I was recently reviewing an old article on CodeProject: that contains a quick and easy demo.  Inside this article, it discusses performance and it indicates that Automapper is 7 times slower than manual mapping.  This test was done on 100,000 records and I must say I was shocked.

My first thought is this requires more testing.  Especially since 100,000 records is a lot.  In most scenarios I would estimate my largest mapping might be 1,000, but even 1 would probably be a very regular use-case.  Let’s put it to the test…

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Tags: Optimization | ASP.NET | c# | automapper