Implement and benchmark a torch.optim.multi_tensor.adagrad implementation (#59155)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/59155
Test Plan: Imported from OSS
Reviewed By: iramazanli
Differential Revision: D29525213
Pulled By: ramvenkat98
fbshipit-source-id: 6d7e8da91c965d1f4e955a084ed875bab641dc9a
