This is about all you’re going to get. Most of the way the multi-core enhancement was achieved was separate particle calls from the main thread. Once the center of a particle affect is determined by the main thread, the individual particles can be off-loaded to separate draw calls. So now instead of every particle of an Ice Storm or Rain of Fire having to be issued a draw call from the main thread, it can be offloaded to a separate thread.
I believe something similar was acomplished with shadows.