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Bash script for [local building TensorFlow on Mac with all CPU optimizations] (default pip package has only SSE) #setup
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#!/bin/bash | |
# Author: Sasha Nikiforov | |
# source of inspiration | |
# https://stackoverflow.com/questions/41293077/how-to-compile-tensorflow-with-sse4-2-and-avx-instructions | |
# check if VirtuelEnv activated | |
if [ -z "$VIRTUAL_ENV" ]; then | |
echo "VirtualEnv is not activated" | |
exit -1 | |
fi | |
VENV_BIN=$VIRTUAL_ENV/bin | |
VENV_LIB=$VIRTUAL_ENV/lib | |
# bazel tf needs these env vars | |
export PYTHON_BIN_PATH=$VENV_BIN/python | |
export PYTHON_LIB_PATH=$VENV_LIB/`ls $VENV_LIB | grep python` | |
raw_cpu_flags=`sysctl -a | grep machdep.cpu.features | cut -d ":" -f 2 | tr '[:upper:]' '[:lower:]'` | |
COPT="--copt=-march=native" | |
for cpu_feature in $raw_cpu_flags | |
do | |
case "$cpu_feature" in | |
"sse4.1" | "sse4.2" | "ssse3" | "fma" | "cx16" | "popcnt" | "maes") | |
COPT+=" --copt=-m$cpu_feature" | |
;; | |
"avx1.0") | |
COPT+=" --copt=-mavx" | |
;; | |
*) | |
# noop | |
;; | |
esac | |
done | |
bazel clean | |
./configure | |
bazel build -c opt $COPT -k //tensorflow/tools/pip_package:build_pip_package | |
bazel-bin/tensorflow/tools/pip_package/build_pip_package /tmp/tensorflow_pkg | |
pip install --upgrade /tmp/tensorflow_pkg/`ls /tmp/tensorflow_pkg/ | grep tensorflow` |
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