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2D Laplacian memory tiling

Question asked by nefastious on Mar 1, 2017
Latest reply on Mar 9, 2017 by tugrul_512bit

Hello everyone,


I have a bit of a doubt and I hope someone can help me here. I've seen several examples for the 5-point stencil of the 2D laplacian, but usually in global memory (which I've already implemented with the periodic boundary conditions I require). I'm currently trying to obtain an implementation which utilizes memory tilling, except I simply don't know how to deal with the ghost rows and columns. If anyone has an example I can use I would be most grateful.