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Diffstat (limited to 'tensorflow/tools/ci_build/pi/build_raspberry_pi.sh')
-rwxr-xr-x | tensorflow/tools/ci_build/pi/build_raspberry_pi.sh | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/tensorflow/tools/ci_build/pi/build_raspberry_pi.sh b/tensorflow/tools/ci_build/pi/build_raspberry_pi.sh new file mode 100755 index 0000000000..9e6cfc017e --- /dev/null +++ b/tensorflow/tools/ci_build/pi/build_raspberry_pi.sh @@ -0,0 +1,84 @@ +#!/usr/bin/env bash +# Copyright 2017 The TensorFlow Authors. All Rights Reserved. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# ============================================================================== +set -e + +# By default this builds packages for the Pi Two and Three only, since the NEON support +# this allows makes calculations many times faster. To support the Pi One or Zero, pass +# PI_ONE as the first argument to the script, for example: +# tensorflow/tools/ci_build/pi/build_raspberry_pi.sh PI_ONE +# +# To install the cross-compilation support for Python this script needs on Ubuntu Trusty, run +# something like these steps, after backing up your original /etc/apt/sources.list file: +# +# dpkg --add-architecture armhf +# echo 'deb [arch=armhf] http://ports.ubuntu.com/ trusty main restricted universe multiverse' >> /etc/apt/sources.list.d/armhf.list +# echo 'deb [arch=armhf] http://ports.ubuntu.com/ trusty-updates main restricted universe multiverse' >> /etc/apt/sources.list.d/armhf.list +# echo 'deb [arch=armhf] http://ports.ubuntu.com/ trusty-security main restricted universe multiverse' >> /etc/apt/sources.list.d/armhf.list +# echo 'deb [arch=armhf] http://ports.ubuntu.com/ trusty-backports main restricted universe multiverse' >> /etc/apt/sources.list.d/armhf.list +# sed -i 's#deb http://archive.ubuntu.com/ubuntu/#deb [arch=amd64] http://archive.ubuntu.com/ubuntu/#g' /etc/apt/sources.list +# apt-get update +# apt-get install -y libpython-all-dev:armhf +# +# Make sure you have an up to date version of the Bazel build tool installed too. + +yes '' | ./configure + +# We need to update the Eigen version, because of compiler failures on ARM when +# using the version currently (Aug 10th 2017) pulled by mainline TensorFlow. We +# should be able to get rid of this hack once +# https://github.com/tensorflow/tensorflow/issues/9697 is addressed. +sed -i 's/f3a22f35b044/d781c1de9834/g' tensorflow/workspace.bzl +sed -i 's/ca7beac153d4059c02c8fc59816c82d54ea47fe58365e8aded4082ded0b820c4/a34b208da6ec18fa8da963369e166e4a368612c14d956dd2f9d7072904675d9b/g' tensorflow/workspace.bzl + +# Fix for curl build problem in 32-bit, see https://stackoverflow.com/questions/35181744/size-of-array-curl-rule-01-is-negative +sudo sed -i 's/define CURL_SIZEOF_LONG 8/define CURL_SIZEOF_LONG 4/g' /usr/include/curl/curlbuild.h +sudo sed -i 's/define CURL_SIZEOF_CURL_OFF_T 8/define CURL_SIZEOF_CURL_OFF_T 4/g' /usr/include/curl/curlbuild.h + +if [[ $1 == "PI_ONE" ]]; then + PI_COPTS="--copt=-march=armv6 --copt=-mfpu=vfp" + echo "Building for the Pi One/Zero, with no NEON support" +else + PI_COPTS='--copt=-march=armv7-a --copt=-mfpu=neon-vfpv4 + --copt=-U__GCC_HAVE_SYNC_COMPARE_AND_SWAP_1 + --copt=-U__GCC_HAVE_SYNC_COMPARE_AND_SWAP_2 + --copt=-U__GCC_HAVE_SYNC_COMPARE_AND_SWAP_8' + echo "Building for the Pi Two/Three, with NEON acceleration" +fi + +bazel build -c opt ${PI_COPTS} \ + --copt=-funsafe-math-optimizations --copt=-ftree-vectorize \ + --copt=-fomit-frame-pointer --cpu=armeabi \ + --crosstool_top=@local_config_arm_compiler//:toolchain \ + --verbose_failures \ + //tensorflow/tools/benchmark:benchmark_model \ + //tensorflow/tools/pip_package:build_pip_package + +OUTDIR=bazel-out/pi +mkdir -p ${OUTDIR} +echo "Final outputs will go to ${OUTDIR}" + +# Build a universal wheel. +BDIST_OPTS="--universal" \ + bazel-bin/tensorflow/tools/pip_package/build_pip_package "${OUTDIR}" + +OLD_FN=$(ls "${OUTDIR}" | grep \.whl) +SUB='s/tensorflow-([^-]+)-([^-]+)-.*/tensorflow-\1-\2-none-any.whl/; print' +NEW_FN=$(echo "${OLD_FN}" | perl -ne "${SUB}") +mv "${OUTDIR}/${OLD_FN}" "${OUTDIR}/${NEW_FN}" +cp bazel-bin/tensorflow/tools/benchmark/benchmark_model "${OUTDIR}" + +echo "Output can be found here:" +find "${OUTDIR}" |