GitLab

* fix backward_dw cuda graph order
Signed-off-by: Pingtian Li <pingtianl@nvidia.com>

* add validation for num_layers_per_chunk
Signed-off-by: Pingtian Li <pingtianl@nvidia.com>

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci



---------
Signed-off-by: Pingtian Li <pingtianl@nvidia.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>