Open3D-ML with pytorch 2.0

[ammaryasirnaich]

I am trying to use Open3d-ML with torch version 2.0 which gives me error for the version mismatch. I am trying to build the open3d from binary which does get installed. But while I am doing cmake for ML packge

# In the build directory
cmake -DBUILD_CUDA_MODULE=ON \
      -DGLIBCXX_USE_CXX11_ABI=OFF \
      -DBUILD_PYTORCH_OPS=ON \
      -DBUILD_TENSORFLOW_OPS=ON \
      -DBUNDLE_OPEN3D_ML=ON \
      -DOPEN3D_ML_ROOT=https://github.com/isl-org/Open3D-ML.git \
      ..

I get the error

-- IPP-ICV 2020.0.0 Gold available. Building interface wrappers IPP-IW.
-- open3d_sycl_target_sources(core): PRIVATE
-- Building TensorFlow ops
-- Building TensorFlow ops with CUDA
-- Getting TensorFlow properties ...
-- TensorFlow       version: 2.6.0
--              include dir: /usr/local/lib/python3.8/dist-packages/tensorflow/include
--              library dir: /usr/local/lib/python3.8/dist-packages/tensorflow
--            framework lib: /usr/local/lib/python3.8/dist-packages/tensorflow/libtensorflow_framework.so.2
--              definitions: _GLIBCXX_USE_CXX11_ABI=0;EIGEN_MAX_ALIGN_BYTES=64
--            use cxx11 abi: 0
CMake Error at 3rdparty/cmake/FindTensorflow.cmake:69 (message):
  TensorFlow and Open3D ABI mismatch: 0 != ON.

  Please use -D GLIBCXX_USE_CXX11_ABI=OFF in the cmake config command to
  change the Open3D ABI.
Call Stack (most recent call first):
  cpp/open3d/ml/tensorflow/CMakeLists.txt:8 (find_package)

-- Configuring incomplete, errors occurred!

I would appreciate if i can get the help around this installation with current torch version

[ammaryasirnaich]

Also, i do have tried doing -D GLIBCXX_USE_CXX11_ABI=OFF which again says for undoing it at the next attempt

[germanros1987]

We need to work to bring full support for PT 2.0. Happy to receive PRs from the community too :)

[ssheorey]

This PR is also adding support for PyTorch 2 for Open3D.

#6288

Happy to receive a companion PR for Open3D-ML!

[ammaryasirnaich]

sure will try to jump into this task