I’ve tried to find this information elsewhere but failed.
How many threads can a multiprocessor on Fermi run at the same time?
How many blocks can a multiprocessor on Fermi run at the same time?
What is the maximal number of threads per block for Fermi?
Can the grid on Fermi have 3 dimensions? (GTX 285 can have 3D blocks but only a 2D grid)