07-26-2012, 01:45 AM
Hmm, I was too quick to judge. The caves are nowhere near as easy as the ravines. The first iteration caused an approx. 25-fold slowdown in the generator, producing 1 chunk every 2-3 seconds. And the caves are somewhat cut off, for reasons I haven't found out yet.
Here's a screenshot of the schematic rendering I have. Notice the cutoff at every 128 or so blocks:
Here's a screenshot of the schematic rendering I have. Notice the cutoff at every 128 or so blocks: