Cross-compilation of PyTorch armv7l (32bit) for RaspberryPi OS
Cross-compilation of PyTorch v1.9.0 armv7l for RaspberryPi OS Buster
- Ubuntu 20.04 x86_64
- Docker
A very time-consuming but very easy cross-compilation procedure. It will take about three hours. Performed on Ubuntu 20.04 x86_64.
$ docker run --rm --privileged multiarch/qemu-user-static --reset -p yes \
&& docker build -t pytorch4raspberrypi .
##### A pre-built .whl file will be generated directly under the /wheels folder.
$ docker run --rm -it -v ${PWD}:/work pytorch4raspberrypi /bin/bash
# cp /wheels/* work
# exit
$ sudo chmod -R 777 *.whl
$ docker run --rm --privileged multiarch/qemu-user-static --reset -p yes
$ docker run --rm -it \
-v ${PWD}:/workdir \
pinto0309/raspios_lite_armhf:2022-02-10_bullseye \
/bin/bash
All of the following operations were performed on a RaspberryPi OS armv7l 32-bit Docker container running on Ubuntu 20.04 x86_64.
# apt update && apt upgrade -y
# apt-get update && apt-get install -y \
openjdk-11-jdk automake autoconf libpng-dev nano \
curl zip unzip libtool swig zlib1g-dev pkg-config git wget xz-utils \
libopenblas-dev libblas-dev m4 cmake python3-dev python3-yaml \
python3-setuptools python3-pip python3-mock \
libpython3-dev libpython3-all-dev g++ gcc libatlas-base-dev \
libtbb-dev sox libsox-dev
# pip3 install pip --upgrade
# pip3 install cython==0.29.27 numpy==1.22.2 cmake==3.21.2 ninja==1.10.2.3 typing_extensions==4.0.1
# pip3 install -U six wheel mock && ldconfig
# TORCH=v1.10.2 \
&& TORCHVISION=v0.11.3 \
&& TORCHAUDIO=v0.10.2
# git clone -b ${TORCH} https://github.com/pytorch/pytorch.git
##########################################################
pytorch/torch/csrc/utils/python_arg_parser.h:415:94
pytorch/torch/csrc/utils/python_arg_parser.h:442:94
pytorch/torch/csrc/autograd/python_function.cpp:439:11
%ld -> %d
##########################################################
# cd pytorch \
&& git submodule update --init --recursive \
&& pip3 install -r requirements.txt \
&& NO_CUDA=1 NO_DISTRIBUTED=1 NO_MKLDNN=1 USE_NCCL=OFF USE_XNNPACK=OFF USE_TBB=ON BUILD_TEST=OFF python3 setup.py build \
&& cd build/lib.linux-armv7l-3.9/torch \
&& ln -s _C.cpython-39-arm-linux-gnueabihf.so _C.so \
&& ln -s _dl.cpython-39-arm-linux-gnueabihf.so _dl.so \
&& cd ../../..
# python3 setup.py bdist_wheel
-- ******** Summary ********
-- General:
-- CMake version : 3.21.2
-- CMake command : /usr/local/lib/python3.9/dist-packages/cmake/data/bin/cmake
-- System : Linux
-- C++ compiler : /usr/bin/c++
-- C++ compiler id : GNU
-- C++ compiler version : 10.2.1
-- Using ccache if found : ON
-- Found ccache : CCACHE_PROGRAM-NOTFOUND
-- CXX flags : -Wno-deprecated -fvisibility-inlines-hidden -DUSE_PTHREADPOOL -fopenmp -DNDEBUG -DUSE_KINETO -DLIBKINETO_NOCUPTI -DUSE_QNNPACK -DUSE_PYTORCH_QNNPACK -DSYMBOLICATE_MOBILE_DEBUG_HANDLE -DEDGE_PROFILER_USE_KINETO -O2 -fPIC -Wno-narrowing -Wall -Wextra -Werror=return-type -Wno-missing-field-initializers -Wno-type-limits -Wno-array-bounds -Wno-unknown-pragmas -Wno-sign-compare -Wno-unused-parameter -Wno-unused-variable -Wno-unused-function -Wno-unused-result -Wno-unused-local-typedefs -Wno-strict-overflow -Wno-strict-aliasing -Wno-error=deprecated-declarations -Wno-stringop-overflow -Wno-psabi -Wno-error=pedantic -Wno-error=redundant-decls -Wno-error=old-style-cast -fdiagnostics-color=always -faligned-new -Wno-unused-but-set-variable -Wno-maybe-uninitialized -fno-math-errno -fno-trapping-math -Werror=format -Werror=cast-function-type -Wno-stringop-overflow
-- Build type : Release
-- Compile definitions : ONNX_ML=1;ONNXIFI_ENABLE_EXT=1;ONNX_NAMESPACE=onnx_torch;HAVE_MMAP=1;_FILE_OFFSET_BITS=64;HAVE_SHM_OPEN=1;HAVE_SHM_UNLINK=1;HAVE_MALLOC_USABLE_SIZE=1;USE_EXTERNAL_MZCRC;MINIZ_DISABLE_ZIP_READER_CRC32_CHECKS
-- CMAKE_PREFIX_PATH : /usr/lib/python3.9/site-packages
-- CMAKE_INSTALL_PREFIX : /pytorch/torch
-- USE_GOLD_LINKER : OFF
--
-- TORCH_VERSION : 1.10.0
-- CAFFE2_VERSION : 1.10.0
-- BUILD_CAFFE2 : ON
-- BUILD_CAFFE2_OPS : ON
-- BUILD_CAFFE2_MOBILE : OFF
-- BUILD_STATIC_RUNTIME_BENCHMARK: OFF
-- BUILD_TENSOREXPR_BENCHMARK: OFF
-- BUILD_BINARY : OFF
-- BUILD_CUSTOM_PROTOBUF : ON
-- Link local protobuf : ON
-- BUILD_DOCS : OFF
-- BUILD_PYTHON : True
-- Python version : 3.9.2
-- Python executable : /usr/bin/python3
-- Pythonlibs version : 3.9.2
-- Python library : /usr/lib/libpython3.9.so.1.0
-- Python includes : /usr/include/python3.9
-- Python site-packages: lib/python3.9/site-packages
-- BUILD_SHARED_LIBS : ON
-- CAFFE2_USE_MSVC_STATIC_RUNTIME : OFF
-- BUILD_TEST : False
-- BUILD_JNI : OFF
-- BUILD_MOBILE_AUTOGRAD : OFF
-- BUILD_LITE_INTERPRETER: OFF
-- INTERN_BUILD_MOBILE :
-- USE_BLAS : 1
-- BLAS : open
-- USE_LAPACK : 1
-- LAPACK : open
-- USE_ASAN : OFF
-- USE_CPP_CODE_COVERAGE : OFF
-- USE_CUDA : OFF
-- USE_ROCM : OFF
-- USE_EIGEN_FOR_BLAS : ON
-- USE_FBGEMM : OFF
-- USE_FAKELOWP : OFF
-- USE_KINETO : ON
-- USE_FFMPEG : OFF
-- USE_GFLAGS : OFF
-- USE_GLOG : OFF
-- USE_LEVELDB : OFF
-- USE_LITE_PROTO : OFF
-- USE_LMDB : OFF
-- USE_METAL : OFF
-- USE_PYTORCH_METAL : OFF
-- USE_PYTORCH_METAL_EXPORT : OFF
-- USE_FFTW : OFF
-- USE_MKL : OFF
-- USE_MKLDNN : OFF
-- USE_NCCL : OFF
-- USE_NNPACK : ON
-- USE_NUMPY : ON
-- USE_OBSERVERS : ON
-- USE_OPENCL : OFF
-- USE_OPENCV : OFF
-- USE_OPENMP : ON
-- USE_TBB : ON
-- USE_SYSTEM_TBB : OFF
-- USE_VULKAN : OFF
-- USE_PROF : OFF
-- USE_QNNPACK : ON
-- USE_PYTORCH_QNNPACK : ON
-- USE_REDIS : OFF
-- USE_ROCKSDB : OFF
-- USE_ZMQ : OFF
-- USE_DISTRIBUTED : ON
-- USE_MPI : OFF
-- USE_GLOO : OFF
-- USE_GLOO_WITH_OPENSSL : OFF
-- USE_TENSORPIPE : ON
-- USE_DEPLOY : OFF
-- USE_BREAKPAD : ON
-- Public Dependencies : Threads::Threads
-- Private Dependencies : pthreadpool;cpuinfo;qnnpack;pytorch_qnnpack;nnpack;fp16;tensorpipe;aten_op_header_gen;foxi_loader;rt;fmt::fmt-header-only;kineto;gcc_s;gcc;dl
-- USE_COREML_DELEGATE : OFF
-- Configuring done
-- Generating done
-- Build files have been written to: /pytorch/build
# cp dist/* /workdir
# cd ..
# git clone -b ${TORCHVISION} https://github.com/pytorch/vision.git
# cd vision \
&& git submodule update --init --recursive \
&& pip3 install /pytorch/dist/*.whl \
&& python3 setup.py build \
&& python3 setup.py bdist_wheel
# cp dist/* /workdir
# cd ..
# git clone -b ${TORCHAUDIO} https://github.com/pytorch/audio.git
# cd audio \
&& git submodule update --init --recursive \
&& python3 setup.py build \
&& python3 setup.py bdist_wheel
# cp dist/* /workdir
# cd ..
# exit
Running on RaspberryPi.
$ sudo apt install -y libatlas-base-dev libpng-dev nano \
curl zip unzip libtool swig zlib1g-dev pkg-config git wget xz-utils \
libopenblas-dev libblas-dev m4 cmake cython python3-dev python3-yaml \
libtbb-dev
$ sudo pip3 install numpy==1.22.2
$ sudo pip3 install torch-*_armv7l_.whl torchvision-*_armv7l.whl torchaudio-*_armv7l.whl
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