Build Torch on ppc64le

src/Pytorch.tex

@@ -157,3 +157,45 @@ sudo apt purge libideep-dev
 TORCH_USE_CUDA_DSA 
 \end{minted}
 
+
+\section{Torch POWER}
+Running pytorch on ppc64le.
+In particular, the Raptor Computing Talos II motherboard.
+
+
+\begin{minted}{sh}
+# Set the compilers, gcc-12 is nogo.
+# Using ccache...
+export CMAKE_C_COMPILER=/usr/lib/ccache/gcc-11
+export CMAKE_CXX_COMPILER=/usr/lib/ccache/g++-11
+
+# First time clone:
+git clone --recursive https://github.com/pytorch/pytorch
+# And subsequently:
+cd pytorch/
+# Clean behind your ears:
+git checkout main
+git reset --hard HEAD
+git clean -ff
+git pull
+git submodule update --init
+git submodule update
+# Get latest release
+git tag -l | sort -V | grep -v -e rc | tail -1
+git checkout `git tag -l | sort -V | grep -v -e rc | tail -1`
+
+# Virtual environment for Python, such as:
+source deactivate
+rm -rf venv
+pyenv local 3.12
+virtualenv -p 3.12 venv
+source venv/bin/activate
+pip install -U setuptools wheel
+pip install -r requirements.txt
+
+# Set options, install wanted dependencies:
+ccmake build -DCUDAToolkit_INCLUDE_DIR=/usr/include
+
+# Install into virtual environment
+python setup.py install
+\end{minted}