[CI] [ComputeLibrary] Use pre-built binaries instead of compiled

docker/Dockerfile.ci_cpu

@@ -87,9 +87,9 @@ RUN bash /install/ubuntu_install_tflite.sh
 COPY install/ubuntu_install_tensorflow.sh /install/ubuntu_install_tensorflow.sh
 RUN bash /install/ubuntu_install_tensorflow.sh
 
-# Arm(R) Compute Library
-COPY install/ubuntu_install_arm_compute_lib.sh /install/ubuntu_install_arm_compute_lib.sh
-RUN bash /install/ubuntu_install_arm_compute_lib.sh
+# Compute Library
+COPY install/ubuntu_download_arm_compute_lib_binaries.sh /install/ubuntu_download_arm_compute_lib_binaries.sh
+RUN bash /install/ubuntu_download_arm_compute_lib_binaries.sh
 
 # Caffe deps
 COPY install/ubuntu_install_caffe.sh /install/ubuntu_install_caffe.sh

docker/install/ubuntu_install_arm_compute_lib.sh → docker/install/ubuntu_download_arm_compute_lib_binaries.sh

@@ -17,62 +17,46 @@
 # under the License.
 
 set -e
-set -u
-set -o pipefail
-
-repo_url="https://github.com/ARM-software/ComputeLibrary.git"
-repo_dir="acl"
-install_path="/opt/$repo_dir"
-architecture_type=$(uname -i)
-target_arch="arm64-v8a" # arm64-v8a / arm64-v8.2-a / armv7a
-build_type="native"
-
-tmpdir=$(mktemp -d)
-
-cleanup()
-{
-  rm -rf "$tmpdir"
-}
-
-trap cleanup 0
-
-apt-get update && \
-apt-get install -y --no-install-recommends \
-    git \
-    scons \
-    bsdmainutils \
-    build-essential
 
 # Install cross-compiler when not building natively.
 # Depending on the architecture selected to compile for,
 # you may need to install an alternative cross-compiler.
 if [ "$architecture_type" != "aarch64" ]; then
-  apt-get install -y --no-install-recommends \
+  apt-get update && apt-get install -y --no-install-recommends \
     g++-aarch64-linux-gnu \
     gcc-aarch64-linux-gnu
 fi
 
-cd "$tmpdir"
+compute_lib_version="v21.05"
+compute_lib_base_url="https://github.com/ARM-software/ComputeLibrary/releases/download/${compute_lib_version}"
+compute_lib_file_name="arm_compute-${compute_lib_version}-bin-linux.tar.gz"
+compute_lib_download_url="${compute_lib_base_url}/${compute_lib_file_name}"
 
-git clone "$repo_url" "$repo_dir"
+target_lib="linux-arm64-v8a-neon"
 
-cd "$repo_dir"
+# uncomment line below if you need asserts/debug version of the library
+# target_lib="${target_lib}-asserts"
 
-# pin version to v21.02
-git checkout "v21.02"
+extract_dir="arm_compute-${compute_lib_version}-bin-linux"
+install_path="/opt/arm/acl"
 
-if [ "$architecture_type" != "aarch64" ]; then
-  build_type="cross_compile"
-fi
+tmpdir=$(mktemp -d)
+
+cleanup()
+{
+  rm -rf "$tmpdir"
+}
+
+trap cleanup 0
+
+cd "$tmpdir"
+
+curl -sL "${compute_lib_download_url}" -o "${compute_lib_file_name}"
+tar xzf "${compute_lib_file_name}"
 
-scons \
-  install_dir="$install_path" \
-  Werror=1 \
-  -j8 \
-  debug=0 \
-  asserts=0 \
-  neon=1 \
-  opencl=0 \
-  os=linux \
-  arch="$target_arch" \
-  build="$build_type"
+mkdir -p "${install_path}"
+cp -r "${extract_dir}/include" "${install_path}/"
+cp -r "${extract_dir}/arm_compute" "${install_path}/include/"
+cp -r "${extract_dir}/support" "${install_path}/include/"
+cp -r "${extract_dir}/utils" "${install_path}/include/"
+cp -r "${extract_dir}/lib/${target_lib}" "${install_path}/lib"