native DLL not found in F# notebook

[dsyme]

I've a native dependency binding problem in a .NET Interactive F# notebook:

#i "nuget: https://donsyme.pkgs.visualstudio.com/TorchSharp/_packaging/packages2/nuget/v3/index.json"
#r "nuget:libtorch-cpu,0.3.52118"
#r "nuget:TorchSharp,0.3.52118"

Then

TorchSharp.Tensor.LongTensor.From([| 0L .. 100L |])

Gives:

System.DllNotFoundException: Unable to load shared library 'LibTorchSharp' or one of its dependencies. In order to help diagnose loading problems, consider setting the LD_DEBUG environment variable: libLibTorchSharp: cannot open shared object file: No such file or directory

The native DLL is in here:

#!pwsh
bash -c "ls ~/.nuget/packages/libtorch-cpu/0.3.52118/runtimes/linux-x64/native"

It seems to resolved OK when building a .NET test project referencing this (see https://github.com/DiffSharp/DiffSharp/blob/feature/torch2/src/DiffSharp.Tests/DiffSharp.Tests.fsproj#L39) - though perhaps there's something wrong with the nuget package I've made (my apologies if so)

I'm happy to dig into it tomorrow but figured I'd ask where to start (smile)

Please complete the following:

The above was with the .NET Interactive notebook I get on binder from the link on the repo

Which version of .NET Interactive are you using? There are a few ways to find this out:

  | .NET Interactive© 2020 Microsoft CorporationVersion: 1.0.126813+f0f6ca13af942416e7c04efa3470ef93c60717f5Build date: 2020-05-19T06:38:10.0000000Zhttps://github.com/dotnet/interactive
-- | --

[dsyme]

One thing I noted is this odd message:

Installed package TorchSharp version 0.3.52118
Installing package libtorch-cpu, version 0.3.52118..........

The last line never says "Installed". Perhaps the installation failed? The package is about 200MB - maybe there's a size limit in binder container??

[dsyme]

@KevinRansom says he has a fix in f# master

[dsyme]

I verified this is fixed in fsharp master