[GitHub] [incubator-tvm] cloud-mxd opened a new pull request #6225: fix cuda half math function is undefined: hpow, htanh

Thu, 06 Aug 2020 07:28:26 -0700 


cloud-mxd opened a new pull request #6225:
URL: https://github.com/apache/incubator-tvm/pull/6225


   I was trying to transfer BERT model to TVM, but encountered some problems 
with undefined function: hpow, htanh.
   
![image](https://user-images.githubusercontent.com/68592047/89543223-3dcd0700-d833-11ea-9706-b05e6586c4e8.png)
   
![image](https://user-images.githubusercontent.com/68592047/89543244-445b7e80-d833-11ea-8f1f-10e9ad544951.png)
   
   with refer to the [cuda user 
manual](https://docs.nvidia.com/cuda/cuda-math-api/group__CUDA__MATH____HALF__FUNCTIONS.html#group__CUDA__MATH____HALF__FUNCTIONS),
 I just simulate with float32 function. 
   
   Thanks !
   


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