Dict (#19976)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/19976
Implement a Dict type that allows us to abstract away from the concrete implementation used.
The API is similar to std::unordered_map, but behind the scenes we can switch to any map implementation we like. ska::flat_hash_map, google dense map, or any future map implementation with better performance.
Switching such an implementation choice does not have to break backwards compatibility of kernel code using the Dict type.
Reviewed By: li-roy
Differential Revision: D15156384
fbshipit-source-id: b9313ec4dd9acb3b6a0035345b6ba4f2a437d1e5
