XmlSerializer Performance Issue when Specifying XmlRootAttribute

Posted by Dougc on Stack Overflow See other posts from Stack Overflow or by Dougc
Published on 2009-10-07T23:41:42Z Indexed on 2010/03/21 14:51 UTC
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Filed under:

c#

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.NET

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Xml

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xml-serialization

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Performance

I'm currently having a really weird issue and I can't seem to figure out how to resolve it.

I've got a fairly complex type which I'm trying to serialize using the XmlSerializer class. This actually functions fine and the type serializes properly, but seems to take a very long time in doing so; around 5 seconds depending on the data in the object.

After a bit of profiling I've narrowed the issue down - bizarrely - to specifying an XmlRootAttribute when calling XmlSerializer.Serialize. I do this to change the name of a collection being serialized from ArrayOf to something a bit more meaningful. Once I remove the parameter the operation is almost instant!

Any thoughts or suggestions would be excellent as I'm entirely stumped on this one!

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