printf inside CUDA __global__ function

Question

I am currently writing a matrix multiplication on a GPU and would like to debug my code, but since I can not use printf inside a device function, is there something else I c

Answer 1

• cuprintf
• try Nexus http://developer.nvidia.com/object/nexus.html

by the way..

• use shared memory
• multiply outside of the loop
• Look at this: http://www.seas.upenn.edu/~cis665/LECTURES/Lecture11.ppt