Comment by lacker

If you're experienced in C++ you can basically just jump in. I found this youtube series to be really helpful:

https://www.youtube.com/playlist?list=PLxNPSjHT5qvtYRVdNN1yD...

After watching this video I was able to implement a tiling version of a kernel that was the bottleneck of our production data analysis pipeline to improve performance by over 2x. There's much more to learn but I found this video series to be a great place to start.