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Add COCOB Optimizer #18
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This PR adds pytorch implementation of Cocob Optimizer, introduced in this paper. Feature request to add in pytorch/contrib is here.
Original Tensorflow implementation is here and this PR is based on this repo.
Apart of adding COCOB and it's tests, there is a small code refactor. A lot of code in
TestSWAwasn't specific to testingSWAoptimizer. So I have plucked that out into a general classTestOptim, and madeTestSWAto inherit fromTestOptim.TestCocobalso inheritsTestOptimto avoid code duplication.