Ensure MIOpen is called on same stream as operator for RNN (#30672)
Summary:
To ensure synchronization between copying of weights in RNN wei buf, and the operation, both the pyTorch operator as well as underlying MIOpen call must be on the same HIP stream. This is also consistent with MIOpen calls in other pyTorch operators
ezyang iotamudelta
Pull Request resolved: https://github.com/pytorch/pytorch/pull/30672
Differential Revision: D18785683
Pulled By: bddppq
fbshipit-source-id: 144611046cb70cfe450680295734203f253ac6e2
