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I am developing an extension for an existing app for HoloLens that should use a model which was trained by tensorflow.

My attempt is to use TensorFlowSharp because the existing app is using unity (C#).

I build using:

Scripting Runtime Version: .Net 4x or Equivalent
Scripting Backend: IL2CPP
API Compatibility Level: .Net Standard 2.0
TensorflowSharp 1.7
Tensorflow 1.7.1
unity2018
Windows 10
libtensorflow.dll (build from windows 32bit, as hololens is in 32 bit)

My Question is what is this error and any idea how to solve it?

It seems like something happen in the IL2CPP backend but no extra information is given.

I have succeeded in building the apps with unity, however I get the error when I deploy it to hololens:

Exception thrown at 0x77452D72 in TFSharpTest2018.exe: Microsoft C++ 
exception: Il2CppExceptionWrapper at memory location 0x0E5FF36C.
RobC
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Wills Zhuang
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  • TensorFlowSharp doesn't seem to be a good choice for serving TF models in C# programs in the future. The github page of the project recommends to use TensorFlow.NET instead. I used both, switched to TensorFlow.NET recently and it is closer to the python TF syntax, easier to deploy and seems to be more actively developed. – Eric Fournie Oct 18 '19 at 12:29
  • @EricFournie hi, thanks for the tip! i will check and test it out. – Wills Zhuang Oct 21 '19 at 08:26
  • There are lots of examples available on https://tensorflownet.readthedocs.io but some of them use an older version of the API. If something doesn't work, check the examples in the source code instead of the online doc. – Eric Fournie Oct 21 '19 at 08:32

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