leezu commented on a change in pull request #20262:
URL: https://github.com/apache/incubator-mxnet/pull/20262#discussion_r649398323
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File path: python/mxnet/gluon/block.py
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@@ -1088,6 +1088,7 @@ def _get_graph(self, *args):
out = super().__call__(*args)
flatten_out, self._out_format = _flatten(out, "output")
symbol_outputs = dc.get_symbol(flatten_out,
sym_cls=type(symbol_inputs[0]))
+ dc.clear(flatten_out)
Review comment:
Sorry I misread the flatten_out as symbol_outputs. "so I try to clear
DCInfo from ndarray outputs" still shouldn't be needed and garbage collection
of the ndarray should clear the entry. So it would still be helpful to point
out the temporary nature of the clear call
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