Meet Ranger - RAdam + Lookahead optimizer

Won’t that take a random crop as opposed to a squished or center crop? (not even sure what fastaiv1 v1 .transform(size=...) does actually). I guess it should be pretty close though.

Sorry I haven’t been able to compare the two, I’ve been trying to get QHAdam done. I’m ready to submit a clean version of QHAdam, but blocked by tests failing for average_grad in the Optimizer notebook :frowning:

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