Fast intersection of sets: C++ vs C#

Question

On my machine (Quad core, 8gb ram), running Vista x64 Business, with Visual Studio 2008 SP1, I am trying to intersect two sets of numbers very quickly.

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Answer 1

I would change the C++ "runIntersectionTest" to take const references to the containers rather than having them copy-constructed on each call. (The C# code will be using refs.)