Instructions for the C++ Torch installation modified for the Mac

https://github.com/intel/mkl-dnn/releases
https://github.com/intel/mkl-dnn

https://intel.github.io/mkl-dnn/dev_guide_build.html

Linux/macOS

• Generate makefile: 
  mkdir -p build && cd build && cmake ..
• Build the library: 
  make -j
• Build the documentation: 
  make doc
• Install the library, headers, and documentation: 
  make install

git clone https://github.com/intel/mkl-dnn.git

cd mkl-dnn/

mkdir -p build && cd build && cmake ..

make -j

make doc

make install

Validate the Build

Run unit tests:

ctest

https://radicalrafi.github.io/posts/pytorch-cpp-intro/

// add this env var to your .bash_profile file

export Torch_DIR=$USER/libtorch

// HACK ALERT
// https://github.com/pytorch/pytorch/issues/14727#issuecomment-516575929

wget https://github.com/intel/mkl-dnn/releases/download/v0.20-rc/mklml_mac_2019.0.5.20190502.tgz

mv ~/Downloads//mklml_mac_2019.0.5.20190502.tar .

tar xvf mklml_mac_2019.0.5.20190502.tar

wget https://download.pytorch.org/libtorch/nightly/cpu/libtorch-macos-latest.zip

unzip libtorch-macos-latest.zip 

cd build/

source ~/.bash_profile

cd ..

mv first_example.cc first_example.cpp

cd build

cmake -DCMAKE_PREFIX_PATH=~/libtorch ..

~/torch/build

○ → ./first_example 

 0.9762  0.1762  0.9328

 0.5004  0.3410  0.1637

 0.3285  0.0761  0.6350

[ Variable[CPUFloatType]{3,3} ]

 0.9762  0.1762  0.9328

 0.5004  0.3410  0.1637

 0.3285  0.0761  0.6350

[ Variable[CPUFloatType]{3,3} ]

https://github.com/zdevito/ATen/tree/master/aten/src