Merge pull request #965 from xiebaiyuan/develop

suit multi inputs and out put . and fix bug when isInitialized check close #964

src/framework/operator.cpp

@@ -65,18 +65,22 @@ void OperatorBase<Dtype>::Run() const {
     auto var_vec_in = inputs_.at(key);
     for (int i = 0; i < var_vec_in.size(); ++i) {
       auto vari = scope_->FindVar(var_vec_in[i]);
+      if (vari->IsInitialized()) {
         Tensor *tensor = vari->template GetMutable<framework::LoDTensor>();
         if (tensor) DLOG << type_ << " input- " << key << "=" << *tensor;
       }
     }
+  }
   for (const auto key : GetOutKeys()) {
     auto var_vec_out = outputs_.at(key);
     for (int i = 0; i < var_vec_out.size(); ++i) {
       auto vari = scope_->FindVar(var_vec_out[i]);
+      if (vari->IsInitialized()) {
         Tensor *tensor = vari->template GetMutable<framework::LoDTensor>();
         if (tensor) DLOG << type_ << " output- " << key << "=" << *tensor;
       }
     }
+  }
 #endif
 }