feat: Allow discontiguous inputs to the group_rms_norm. #4982
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When input tensors are outputs of a split operation, the stride size along the batch dimension mismatches the size of dimension. For example: a, b = c.split([size_a, size_b], dim=1) c.shape[1] = size_a + size_b a.stride = (c.shape[1], 1); a_normed.stride = (size_a, 1) b.stride = (c.shape[1], 1); b_normed.stride = (size_b, 1) This PR adds support for the above case. Note that last dimension of all inputs must be discontiguous. Signed-off-by: Simeng Liu <[email protected]>
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feat: Allow discontiguous inputs to the group_rms_norm.
Description
When input tensors are outputs of a split operation, the stride size along the batch dimension mismatches the size of dimension.
For example:
This PR adds support for the above case. Note that last dimension of all inputs must be discontiguous.
Test Coverage
tests/unittest/_torch/test_group_rms_norm.py::test_group_rms_norm_with_different_IO_strides