>>283589421
Ah okay, that's less silly. It's not x1000 faster training, it's picking the best attempt out of 1000 tries and iterating from there.
He should scatter his clones and vary the experiences as much as possible. Have some work in groups, have some work in the forest and others by waterfalls, have some take a quick nap and others take a jog. Get as many different experiences as possible, and see if some mental state sparks an insight.