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[API Compatibility] Add alias for paddle.autograd.py_layer.once_differentiable #78539

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Merged
zhwesky2010 merged 2 commits into from
Apr 2, 2026
Merged

[API Compatibility] Add alias for paddle.autograd.py_layer.once_differentiable #78539

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a1f727e
add alias for once_differentiable
algorithm1832 Mar 31, 2026
0252b73
move test
algorithm1832 Apr 2, 2026
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5 changes: 4 additions & 1 deletion python/paddle/autograd/function.py
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Original file line number Diff line number Diff line change
Expand Up @@ -12,4 +12,7 @@
# See the License for the specific language governing permissions and
# limitations under the License.

from .py_layer import PyLayerContext as FunctionCtx # noqa: F401
from .py_layer import (
PyLayerContext as FunctionCtx, # noqa: F401
once_differentiable, # noqa: F401
)
5 changes: 5 additions & 0 deletions test/legacy_test/test_autograd_function.py
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Expand Up @@ -674,6 +674,11 @@ def backward(ctx, grad_a, grad_b):
b.sum().backward()
self.assertEqual(x.grad, paddle.ones([1], dtype="float64"))

def test_once_differentiable_compatibility(self):
pyLayerObj = paddle.autograd.py_layer.once_differentiable
functionObj = paddle.autograd.function.once_differentiable
self.assertEqual(pyLayerObj, functionObj)


if __name__ == '__main__':
unittest.main()
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