Radar ·
What happens when a CUDA kernel runs
An introduction to the CPU–GPU communication required to launch a CUDA kernel and the work involved in that operation.
The source presents communication between the CPU and GPU as a necessary part of launching a CUDA kernel. This perspective is a reminder that running a kernel involves interaction between the two components, not just code running on the GPU.
For people studying GPU programming, the topic provides a starting point for investigating the launch process. The source does not detail the steps or propose an engineering solution, so it does not support conclusions about performance or how to optimize this communication.