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Very sad that linq underperforms DataReader

I was hoping that Linq static functions would be highly optimized to improve vectorization; it's not unreasonable to assume that Linq is checking processor and memory capabilities to optimize performance for the current architecture. Your benchmark implies that it does not.

Also: please include a date in your posts. I was able to infer how recent your post was by the dates of the comments, but I'd rather know when you posted this.

Finally: is .NET 4.0 Any better? If Linq has been fully optimized for 4.0, it's a huge, huge win for developers.

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