ThomasDelteil opened a new issue #14391: as_in_context() does not copy the gradient to the new context URL: https://github.com/apache/incubator-mxnet/issues/14391 I think it should copy the gradient as well automatically? ```python ctx = mx.cpu() a = mx.nd.ones((10,10), ctx=ctx) a.attach_grad() print(a.context) print(a.grad.context) ctx = mx.gpu() a = a.as_in_context(ctx) print(a.context) print(a.grad.context) ``` ``` cpu(0) cpu(0) gpu(0) --------------------------------------------------------------------------- AttributeError Traceback (most recent call last) <ipython-input-16-deab22190603> in <module>() 5 ctx = mx.gpu() 6 a = a.as_in_context(ctx) ----> 7 print(a.context, a.grad.context) AttributeError: 'NoneType' object has no attribute 'context' ```
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