some people in the audience are probably thinking like oh I told people about that but Brian was the first to go ahead and get it to really work really well revisiting the same visualization that we saw earlier there unrolled Gunn is able to actually get all the different modes so the way that unrolling works is that to really make sure that we're doing min/max rather than max-min we actually use that maximization operation in the inner loop as part of the computational graph that we backprop through so instead of having a single