pytorch

c0966914 - Internal gradcheck wrapper in testing._internal that sets certain flags to True (#51133)

Internal gradcheck wrapper in testing._internal that sets certain flags to True (#51133) Summary: Fixes https://github.com/pytorch/pytorch/issues/49409 There are many call sites where, gradcheck/gradgradcheck is now being implicitly invoked with `check_batched_grad` as True, but they were previously False. Cases fall into two basic categories: 1) the call site was previously using `torch.autograd.gradcheck` but is now changed to use the globally imported function instead 3) the call site was already using globally imported function, but does not explicitly pass `check_batched_grad` flag Only in the _assertGradAndGradgradChecks cases, which are infrequent, I assumed that the the author is aware that omitting the flag means not applying check_batched_grad=True. (but maybe that is not the case?) Overall this PR in its current state assumes that unless the author explicitly specified `check_batched_grad=False`, they were just probably not aware of this flag and did not mean to have this flag as False. So far exceptions to the above (as discovered by CI) include: - Mkldnn (opaque tensors do not have strides) https://app.circleci.com/pipelines/github/pytorch/pytorch/264416/workflows/e4d87886-6247-4305-8526-2696130aa9a4/jobs/10401882/tests - all cases in test_sparse (https://app.circleci.com/pipelines/github/pytorch/pytorch/264553/workflows/3c1cbe30-830d-4acd-b240-38d833dccd9b/jobs/10407103) - all cases in test_overrides (https://app.circleci.com/pipelines/github/pytorch/pytorch/264553/workflows/3c1cbe30-830d-4acd-b240-38d833dccd9b/jobs/10407236) - test_autograd (test_LSTM_grad_and_gradgrad) - (https://app.circleci.com/pipelines/github/pytorch/pytorch/264553/workflows/3c1cbe30-830d-4acd-b240-38d833dccd9b/jobs/10407235) - test_data_parallel (test_data_parallel_buffers_requiring_grad) - *SIGSEGV* (https://app.circleci.com/pipelines/github/pytorch/pytorch/264820/workflows/14d89503-040d-4e3d-9f7b-0bc04833589b/jobs/10422697) - test_nn (https://app.circleci.com/pipelines/github/pytorch/pytorch/264919/workflows/df79e3ed-8a31-4a8e-b584-858ee99686ff/jobs/10427315) Possible TODO is to prevent new tests from invoking external gradcheck. Pull Request resolved: https://github.com/pytorch/pytorch/pull/51133 Reviewed By: ezyang Differential Revision: D26147919 Pulled By: soulitzer fbshipit-source-id: dff883b50f337510a89f391ea2fd87de2d531432