Using CUDA Visual profiler with a Java application that uses CUDA

[treesarehere]

I am new to CUDA and I'm trying to figure out how to use it effectively. I looked at the Nvidia website but not of the manuals or instructions really show how to use or give a good explanation to know how to ask questions to how to use it. I tried to play around with the newer version of the Nvidia Visual Profiler but alas to no avail. Is there a website with a good well rounded explanation to newbs at CUDA?