zheng-da commented on issue #12154: the cond operator doesn't support a function that doesn't require inputs. URL: https://github.com/apache/incubator-mxnet/issues/12154#issuecomment-412972112 Yes, the problem is that CachedOp can't handle a subgraph that doesn't require inputs. There are two possible fixes: one is to find nodes such as zeros() and ones() and keep them outside the subgraph; the other is to modify CachedOp to handle the case. The problem of handling subgraph without inputs in CachedOp is that we need to find out what context we should use.
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