cudapadA powerful free tool currently still in development aims to let you interactively debug and experiment with your CUDA kernels.  Named CudaPad, it’s a great addition to CUDA Development suites.

What is cudapad? Cudapad is a software that helps developments develop and test small kernals for NVidia’s© Cuda© language. Sometimes in your IDE you’ll want a quick way build or test a piece of Cuda code and CudaPad lets you do it. It shows the ptx code, cubin code, register count, error and more on the fly. There is no need to manually compile your code.

via Cudapad.