pytorch

bbf29a52 - Implement cusparse Descriptor class and clean up cusparse code (#37389)

Implement cusparse Descriptor class and clean up cusparse code (#37389) Summary: Add cusparse Descriptor class. Add cusparse Generic API wrapper. Clean up current cuda sparse code. Pull Request resolved: https://github.com/pytorch/pytorch/pull/37389 Differential Revision: D21302691 Pulled By: ezyang fbshipit-source-id: ecbb4063466c616eebfe681f1622724692be505c