# Copyright 2022 The IREE Authors
#
# Licensed under the Apache License v2.0 with LLVM Exceptions.
# See https://llvm.org/LICENSE.txt for license information.
# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

# Run commands below on the workstation that the phone is attached to.
# Prerequisites:
#   Manual installations of the Android NDK and ADB are needed. See https://iree-org.github.io/iree/building-from-source/android/#install-android-ndk-and-adb for instructions.
#   Manual installations of the Termux App and python are needed on the Android device. See README.md for instructions.

#!/bin/bash

set -euo pipefail

GPU_TYPE="mali"
#GPU_TYPE="andreno"

# Create root dir.
ROOT_DIR=/tmp/benchmarks
rm -rf "${ROOT_DIR}"
mkdir "${ROOT_DIR}"
mkdir "${ROOT_DIR}/models"
mkdir "${ROOT_DIR}/models/tflite"
mkdir "${ROOT_DIR}/models/iree"
mkdir "${ROOT_DIR}/setup"
mkdir "${ROOT_DIR}/test_data"
mkdir "${ROOT_DIR}/output"
# Touch result file as adb doesn't push empty dirs.
touch "${ROOT_DIR}/output/results.csv"

wget https://storage.googleapis.com/iree-model-artifacts/tflite_squad_test_data.zip -O /tmp/tflite_squad_test_data.zip
unzip /tmp/tflite_squad_test_data.zip -d "${ROOT_DIR}/test_data/"
wget https://storage.googleapis.com/iree-model-artifacts/mobilebert_float_384_gpu.tflite -P "${ROOT_DIR}/models/tflite/"
wget https://storage.googleapis.com/iree-model-artifacts/mobilenet_v2_224_1.0_uint8.tflite -P "${ROOT_DIR}/models/tflite/"
wget https://storage.googleapis.com/iree-model-artifacts/mobilenet_v2_1.0_224.tflite -P "${ROOT_DIR}/models/tflite/"

# Build IREE source.
SOURCE_DIR=/tmp/github
rm -rf "${SOURCE_DIR}"
mkdir "${SOURCE_DIR}"
cd "${SOURCE_DIR}"

git clone https://github.com/iree-org/iree.git

cd iree
cp "${SOURCE_DIR}/iree/build_tools/benchmarks/set_adreno_gpu_scaling_policy.sh" "${ROOT_DIR}/setup/"
cp "${SOURCE_DIR}/iree/build_tools/benchmarks/set_android_scaling_governor.sh" "${ROOT_DIR}/setup/"
cp "${SOURCE_DIR}/iree/build_tools/benchmarks/set_pixel6_gpu_scaling_policy.sh" "${ROOT_DIR}/setup/"

git submodule update --init
cmake -GNinja -B ../iree-build/ -S . -DCMAKE_BUILD_TYPE=RelWithDebInfo -DIREE_ENABLE_ASSERTIONS=ON -DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++ -DIREE_ENABLE_LLD=ON
cmake --build ../iree-build/

export CC=clang
export CXX=clang++
python configure_bazel.py

cd integrations/tensorflow
bazel build -c opt iree_tf_compiler:iree-import-tflite

echo "Done building iree-import-tflite"
echo

IREE_COMPILE_PATH="${SOURCE_DIR}/iree-build/tools/iree-compile"

TFLITE_MODEL_DIR="${ROOT_DIR}/models/tflite"
IREE_MODEL_DIR="${ROOT_DIR}/models/iree"
mkdir -p "${IREE_MODEL_DIR}/vulkan"
mkdir -p "${IREE_MODEL_DIR}/llvm-cpu"

for i in $(ls ${ROOT_DIR}/models/tflite/); do
  MODEL_NAME=$(basename $i .tflite)

  echo "Processing ${MODEL_NAME} ..."
  bazel-bin/iree_tf_compiler/iree-import-tflite "${TFLITE_MODEL_DIR}/${MODEL_NAME}.tflite" -o "${IREE_MODEL_DIR}/${MODEL_NAME}.mlir"
  echo -e "\tCompiling ${MODEL_NAME}.vmfb for aarch64..."
  "${IREE_COMPILE_PATH}" \
    --iree-input-type=tosa \
    --iree-hal-target-backends=llvm-cpu \
    --iree-llvm-target-triple=aarch64-none-linux-android29 \
    --iree-llvm-debug-symbols=false \
    --iree-vm-bytecode-module-strip-source-map=true \
    --iree-vm-emit-polyglot-zip=false \
    "${IREE_MODEL_DIR}/${MODEL_NAME}.mlir" \
    --o "${IREE_MODEL_DIR}/llvm-cpu/${MODEL_NAME}.vmfb"

  echo -e "\tCompiling ${MODEL_NAME}_mmt4d.vmfb for aarch64..."
  "${IREE_COMPILE_PATH}" \
    --iree-input-type=tosa \
    --iree-hal-target-backends=llvm-cpu \
    --iree-llvm-target-triple=aarch64-none-linux-android29 \
    "--iree-flow-mmt4d-target-options=arch=aarch64 features=+dotprod" \
    --iree-llvm-target-cpu-features=+dotprod \
    --iree-llvm-debug-symbols=false \
    --iree-vm-bytecode-module-strip-source-map=true \
    --iree-vm-emit-polyglot-zip=false \
    "${IREE_MODEL_DIR}/${MODEL_NAME}.mlir" \
    --o "${IREE_MODEL_DIR}/llvm-cpu/${MODEL_NAME}_mmt4d.vmfb"

  if [[ "${GPU_TYPE}" = "mali" ]]; then
    echo -e "\tCompiling ${MODEL_NAME}.vmfb for vulkan mali..."
    "${IREE_COMPILE_PATH}" \
      --iree-input-type=tosa \
      --iree-hal-target-backends=vulkan-spirv \
      --iree-vulkan-target-triple=valhall-unknown-android11 \
      --iree-llvm-debug-symbols=false \
      --iree-vm-bytecode-module-strip-source-map=true \
      --iree-vm-emit-polyglot-zip=false \
      "${IREE_MODEL_DIR}/${MODEL_NAME}.mlir" \
      --o "${IREE_MODEL_DIR}/vulkan/${MODEL_NAME}.vmfb"
  else
    echo -e "\tCompiling ${MODEL_NAME}.vmfb for vulkan adreno..."
    "${IREE_COMPILE_PATH}" \
      --iree-input-type=tosa \
      --iree-hal-target-backends=vulkan-spirv \
      --iree-vulkan-target-triple=adreno-unknown-android11 \
      --iree-llvm-debug-symbols=false \
      --iree-vm-bytecode-module-strip-source-map=true \
      --iree-vm-emit-polyglot-zip=false \
      "${IREE_MODEL_DIR}/${MODEL_NAME}.mlir" \
      --o "${IREE_MODEL_DIR}/vulkan/${MODEL_NAME}.vmfb"
  fi
done

echo -e "\nCross-compile IREE benchmark binary.\n"
cd "${SOURCE_DIR}/iree"
cmake -GNinja -B ../iree-build/ \
  -DCMAKE_INSTALL_PREFIX=../iree-build/install \
  -DCMAKE_BUILD_TYPE=RelWithDebInfo \
  .
cmake --build ../iree-build/ --target install

rm -rf ${SOURCE_DIR}/iree-build-android

cmake -GNinja -B ../iree-build-android/ \
  -DCMAKE_TOOLCHAIN_FILE="${ANDROID_NDK?}/build/cmake/android.toolchain.cmake" \
  -DIREE_HOST_BINARY_ROOT="${PWD}/../iree-build/install" \
  -DANDROID_ABI="arm64-v8a" \
  -DANDROID_PLATFORM="android-29" \
  -DIREE_BUILD_COMPILER=OFF \
  .
cmake --build ../iree-build-android/
cp "${SOURCE_DIR}/iree-build-android/tools/iree-benchmark-module" "${ROOT_DIR}/"

# Cross-compile TFLite benchmark binary.
sudo apt-get install libgles2-mesa-dev

export CC=clang
export CXX=clang++

cd "${SOURCE_DIR}"
git clone https://github.com/tensorflow/tensorflow.git
cd tensorflow

echo
echo Configuring TensorFlow
echo Select defaults. Answer Yes to configuring ./WORKSPACE for Android builds.
echo Use Version 21 for Android NDK, 29 for Android SDK.
echo
python configure.py
bazel build -c opt --config=android_arm64 \
  --copt="-Wno-error=implicit-function-declaration" \
  tensorflow/lite/tools/benchmark:benchmark_model

cp "${SOURCE_DIR}/tensorflow/bazel-bin/tensorflow/lite/tools/benchmark/benchmark_model" "${ROOT_DIR}/"

echo Pushing benchmarking artifacts to device.
DEVICE_ROOT_DIR=/data/local/tmp/benchmarks
adb shell rm -r "${DEVICE_ROOT_DIR}" || true
adb push "${ROOT_DIR}" /data/local/tmp

adb shell chmod +x "${DEVICE_ROOT_DIR}/benchmark_model"
adb shell chmod +x "${DEVICE_ROOT_DIR}/iree-benchmark-module"

echo Setup device.
adb shell "su root sh ${DEVICE_ROOT_DIR}/setup/set_android_scaling_governor.sh performance"

if [[ "${GPU_TYPE}" = "mali" ]]; then
  adb shell "su root sh ${DEVICE_ROOT_DIR}/setup/set_pixel6_gpu_scaling_policy.sh performance"
else
  adb shell "su root sh ${DEVICE_ROOT_DIR}/setup/set_adreno_gpu_scaling_policy.sh performance"
fi

echo Running benchmark.
adb push "${SOURCE_DIR}/iree/build_tools/benchmarks/comparisons" /data/local/tmp/
adb shell "su root /data/data/com.termux/files/usr/bin/python /data/local/tmp/comparisons/run_benchmarks.py --device_name=Pixel6  --mode=mobile --base_dir=${DEVICE_ROOT_DIR} --output_dir=${DEVICE_ROOT_DIR}/output"
adb shell cat "${DEVICE_ROOT_DIR}/output/results.csv" | tee ${ROOT_DIR}/output/results.csv