[GitHub] JohnCalhoun commented on issue #10002: General support of OPs for second-order gradient

[GitBox]

JohnCalhoun commented on issue #10002: General support of OPs for second-order 
gradient
URL: 
https://github.com/apache/incubator-mxnet/issues/10002#issuecomment-429493744
 
 
   progress on first part:
   ```cpp
   TEST(CORE_OP_RUNNER, CheckForGradients) {
       std::vector<std::string> names= dmlc::Registry<Op>::ListAllNames();
       std::cout << "total ops: " << names.size() << "\n";
       for (std::vector<std::string>::iterator i = names.begin(); i != 
names.end(); ++i){
           const Op* op=dmlc::Registry<Op>::Find(*i);
           auto gradient=op->GetAttr<nnvm::FGradient>("FGradient");
           std::cout << op->name << " " << gradient.count(op) << '\n';
       }
   }
   ```
   
   [out.txt](https://github.com/apache/incubator-mxnet/files/2474888/out.txt)
   

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