There are so many levels to the performance that measuring the surface and makin...

There are so many levels to the performance that measuring the surface and making a generalization is practically useless. I find the comments on the article even more baffling. Here are a couple relevant questions:

1. What is the scope of the data context used for these queries? Caching that is keyed by id is done within the scope of the data context: http://blogs.msdn.com/dinesh.kulkarni/archive/2008/07/01/lin...

2. Is the code being run co-located with the database server? If so, this is atypical and these times do not include network overhead.

There are many more questions...