Deliberate "fooling" may not even be required. Are Redstone Computers colossal and slow because Notch was trying to deceive some Minecraft denizens? It seems to simply be a necessary fact of "emulation" that any computer built out of physics X is going to be no faster than the computer required to simulate physics X.
If it is... I hope they do not crash the system with the test.
http://www.huffingtonpost.co.uk/2012/12/12/physicists-universe-simulation-test-university-of-washington-matrix_n_2282745.html
Be sure to check out the actual reseach papers linked in the article! I would have linked to them directly, but the article is full of follow-on links of considerable interest.