From 19d932f4cb49182c111d646267ac6c0bbc4f2f00 Mon Sep 17 00:00:00 2001
From: mahmoud-abuzaina <mahmoud.abuzaina@intel.com>
Date: Fri, 3 Feb 2017 16:56:10 -0700
Subject: Added Intel MKL graph optimization code and the ability to enable MKL
 when running configure. (#6921)

* Added Intel MKL graph optimization code and the ability to enable MKL when running configure.

* Fixed inclusion of MKL into build files.

* Made changes to MKL graph optimization files based on review comments.

* Adding support for MKL matmul op

* Revert "Adding support for MKL matmul op"

This reverts commit 20d6cdd865dbe790bd03765e82b709bd750d8823.

* Changes based on Vijay Vasudevan's comments

* Made format-related fixes to some build files.

* Setting the execute bit (755) for tensorflow/tools/pip_package/build_pip_package.sh
---
 configure | 66 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)

(limited to 'configure')

diff --git a/configure b/configure
index 62db930860..513c5a363f 100755
--- a/configure
+++ b/configure
@@ -73,6 +73,72 @@ while true; do
   # Retry
 done
 
+## Set up MKL related environment settings
+if false; then # Disable building with MKL for now
+  while [ "$TF_NEED_MKL" == "" ]; do
+    fromuser=""
+    read -p "Do you wish to build TensorFlow with MKL support? [y/N] " INPUT
+    fromuser="1"
+    case $INPUT in
+      [Yy]* ) echo "MKL support will be enabled for TensorFlow"; TF_NEED_MKL=1;;
+      [Nn]* ) echo "No MKL support will be enabled for TensorFlow"; TF_NEED_MKL=0;;
+      "" ) echo "No MKL support will be enabled for TensorFlow"; TF_NEED_MKL=0;;
+      * ) echo "Invalid selection: " $INPUT;;
+    esac
+  done
+
+  OSNAME=`uname -s`
+
+  if [ "$TF_NEED_MKL" == "1" ]; then # TF_NEED_MKL
+    DST=`dirname $0`
+    ARCHIVE_BASENAME=mklml_lnx_2017.0.2.20170110.tgz
+    GITHUB_RELEASE_TAG=v0.3
+    MKLURL="https://github.com/01org/mkl-dnn/releases/download/$GITHUB_RELEASE_TAG/$ARCHIVE_BASENAME"
+    if ! [ -e "$DST/third_party/mkl/$ARCHIVE_BASENAME" ]; then
+      wget --no-check-certificate -P $DST/third_party/mkl/ $MKLURL
+    fi
+    tar -xzf $DST/third_party/mkl/$ARCHIVE_BASENAME -C $DST/third_party/mkl/
+    extracted_dir_name="${ARCHIVE_BASENAME%.*}"
+    MKL_INSTALL_PATH=$DST/third_party/mkl/$extracted_dir_name
+    MKL_INSTALL_PATH=`${PYTHON_BIN_PATH} -c "import os; print(os.path.realpath(os.path.expanduser('${MKL_INSTALL_PATH}')))"`
+
+    if [ "$OSNAME" == "Linux" ]; then
+      # Full MKL configuration
+      MKL_RT_LIB_PATH="lib/intel64/libmkl_rt.so" #${TF_MKL_EXT}#TODO version?
+      MKL_RT_OMP_LIB_PATH="../compiler/lib/intel64/libiomp5.so" #TODO VERSION?
+
+      # MKL-ML configuration
+      MKL_ML_LIB_PATH="lib/libmklml_intel.so" #${TF_MKL_EXT}#TODO version?
+      MKL_ML_OMP_LIB_PATH="lib/libiomp5.so" #TODO VERSION?
+    elif [ "$OSNAME" == "Darwin" ]; then
+      echo "Darwin is unsupported yet";
+      exit 1
+    fi
+
+    if [ -e "$MKL_INSTALL_PATH/${MKL_ML_LIB_PATH}" ]; then
+      ln -sf $MKL_INSTALL_PATH/${MKL_ML_LIB_PATH} third_party/mkl/
+      ln -sf $MKL_INSTALL_PATH/${MKL_ML_OMP_LIB_PATH} third_party/mkl/
+      ln -sf $MKL_INSTALL_PATH/include third_party/mkl/
+      ln -sf $MKL_INSTALL_PATH/include third_party/eigen3/mkl_include
+    else
+      echo "ERROR: $MKL_INSTALL_PATH/${MKL_ML_LIB_PATH} does not exist";
+      exit 1
+    fi
+
+    if [ -z "$fromuser" ]; then
+      exit 1
+    fi
+
+cat > third_party/mkl/mkl.config <<EOF
+# MKL_INSTALL_PATH refers to the location of MKL root folder. The MKL header and library
+# files can be either in this directory, or under include/ and lib64/
+MKL_INSTALL_PATH=$MKL_INSTALL_PATH
+EOF
+
+  fi # TF_NEED_MKL
+  ################## MKL
+fi # Disable building with MKL for now
+
 ## Set up architecture-dependent optimization flags.
 if [ -z "$CC_OPT_FLAGS" ]; then
   default_cc_opt_flags="-march=native"
-- 
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