Allow generic containers as module inputs #16482
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driazati
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Jan 30, 2019
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Amazing! This is going to make my code so much cleaner. I have some crazy workarounds right now :P |
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zdevito
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Jan 30, 2019
Summary: Fixes pytorch/pytorch#16326 Previously we didn't handle module inputs which included Generic Lists. When checking whether a generic list if a subvalue of the input arg type, I currently recurse on every element of the list. This shouldn't be too slow since the innermost list will be specialized and we won't have to check it's elements. E.g. Tensor[][] -> GenericList [TensorList ]. The error message could be improved, but extracting the complete type of nested lists would have to deal with unifying types across lists / empty lists & typevars so I'm going to save that for a follow up PR. Pull Request resolved: pytorch/pytorch#16482 Differential Revision: D13882582 Pulled By: eellison fbshipit-source-id: 3609bc572f0ee9ebf20a77ea5ebc8fa3b165e24b
apaszke
reviewed
Jan 31, 2019
| @@ -917,6 +917,8 @@ template<> inline TypePtr getTypePtr<std::vector<double>>() { return ListType::o | |||
| template<> inline TypePtr getTypePtr<std::vector<int64_t>>() { return ListType::ofInts(); } | |||
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| CAFFE2_API TypePtr incompleteInferTypeFrom(const IValue& value); | |||
| CAFFE2_API TypePtr attemptToRecoverType(const IValue& input_ivalue); | |||
| CAFFE2_API bool isSubvalueOf(const IValue& input_ivalue, TypePtr type); | |||
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nit: subvalue is a bit of a weird concept. If I understand correctly this is an isInstanceOf check
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Fixes #16326
Previously we didn't handle module inputs which included Generic Lists. When checking whether a generic list if a subvalue of the input arg type, I currently recurse on every element of the list. This shouldn't be too slow since the innermost list will be specialized and we won't have to check it's elements.
E.g. Tensor[][] -> GenericList [TensorList ].
The error message could be improved, but extracting the complete type of nested lists would have to deal with unifying types across lists / empty lists & typevars so I'm going to save that for a follow up PR.