[GitHub] [incubator-mxnet] larroy commented on issue #15285: [WIP] Graph dumper

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larroy commented on issue #15285: [WIP] Graph dumper
URL: https://github.com/apache/incubator-mxnet/pull/15285#issuecomment-506096295
 
 
   First gradient, and second gradient:
   
   ```
   Forward graph: 
   digraph G {
     "var0" -> "log10 node_0"
   }
   Backward graph: 
   digraph G {
     "head grad #0" -> "_backward_log10 node_0_backward"
     "var0" -> "log10 node_0"
     "var0" -> "_backward_log10 node_0_backward"
   }
   Forward graph: 
   digraph G {
     "head grad #0" -> "_backward_log10 node_1"
     "var0" -> "_backward_log10 node_1"
   }
   Backward graph: 
   digraph G {
     "head grad #0" -> "elemwise_mul node_1_backward_grad_grad_inp"
     "head grad #0" -> "_backward_log10 node_1"
     "var0" -> "_backward_log10 node_1"
     "var0" -> "reciprocal node_1_dlogx"
     "_backward_log10 node_1" -> "elemwise_mul node_1_d2ydx2_mid"
     "reciprocal node_1_dlogx" -> "elemwise_mul node_1_d2ydx2_mid"
     "elemwise_mul node_1_d2ydx2_mid" -> "negative node_1_d2ydx2"
     "negative node_1_d2ydx2" -> "elemwise_mul node_1_backward_grad_grad_inp"
   }
   ```

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