Just sharing my experience.
Making an ocean tempest.
I would like to make the simulation even sharper, but 12GB of memory in my Titan X is not enough.
I’ve made a trick to reduce the memory consumption by rotating the simulation container so that its corner is near the camera location.
The emitter emits spray from the weight map, generated by the Hot4D plugin.
Simulation container along the viewing frustum:
Weight map for the emitter: