pytorch

45edf9a2 - Reland: [Autograd] Use in-place input accumulation fast path for dense Tensors. (#90217)

Reland: [Autograd] Use in-place input accumulation fast path for dense Tensors. (#90217) Identical to https://github.com/pytorch/pytorch/pull/88339 except with a `.has_storage()` check before `.storage()`. Differential Revision: [D41737935](https://our.internmc.facebook.com/intern/diff/D41737935/) Pull Request resolved: https://github.com/pytorch/pytorch/pull/90217 Approved by: https://github.com/ngimel