I have AMD GPU. I'm using pyopencl. I have a context and a queue. Then I created an array: import pyopencl import pyopencl.array ctx = pyopencl.create_some_context(interactive=False) queue = pyopencl.CommandQueue(ctx) array = pyopencl.array.empty(queue, [10], dtype=float) print(array) The print statement is showing some contents. Has pyopencl transferred data from GPU memory to print those values? If not, where do they come from? Continue reading...