Import SIMD feature and add some workload samples (#438)

samples/workload/docker/.gitignore

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+build_scripts

samples/workload/docker/Dockerfile

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+FROM ubuntu:18.04 as builder
+
+#
+# install clang and llvm
+COPY llvm.sh /tmp
+RUN apt update \
+    && apt install -y lsb-release wget software-properties-common build-essential \
+    && cd /tmp \
+    && chmod a+x llvm.sh \
+    && ./llvm.sh 11
+
+ARG WASI_SDK_VER=11.0
+ARG WABT_VER=1.0.19
+ARG CMAKE_VER=3.16.2
+ARG BINARYEN_VER=version_97
+
+#
+# install wasi-sdk
+ARG WASI_SDK_FILE="wasi-sdk-${WASI_SDK_VER}-linux.tar.gz"
+COPY ${WASI_SDK_FILE} /opt
+RUN cd /opt \
+    && tar zxf ${WASI_SDK_FILE} \
+    && rm ${WASI_SDK_FILE} \
+    && ln -sf /opt/wasi-sdk-${WASI_SDK_VER} /opt/wasi-sdk \
+    && ln -sf /opt/wasi-sdk/lib/clang/10.0.0/lib/wasi/ /usr/lib/llvm-11/lib/clang/11.0.0/lib/
+
+#
+# install wabt
+ARG WABT_FILE="wabt-${WABT_VER}-ubuntu.tar.gz"
+COPY ${WABT_FILE} /opt
+RUN cd /opt \
+    && tar zxf ${WABT_FILE} \
+    && rm ${WABT_FILE} \
+    && ln -sf /opt/wabt-${WABT_VER} /opt/wabt
+
+#
+# install cmake
+ARG CMAKE_FILE="cmake-${CMAKE_VER}-Linux-x86_64.sh"
+COPY ${CMAKE_FILE} /tmp
+RUN cd /tmp \
+    && chmod a+x ${CMAKE_FILE} \
+    && mkdir /opt/cmake \
+    && ./${CMAKE_FILE} --prefix=/opt/cmake --skip-license  \
+    && ln -sf /opt/cmake/bin/cmake /usr/local/bin/cmake
+
+#
+# install tools
+RUN apt install -y git tree
+
+#
+# install emsdk
+RUN cd /opt \
+    && git clone https://github.com/emscripten-core/emsdk.git \
+    && cd emsdk \
+    && git pull \
+    && ./emsdk install latest \
+    && ./emsdk activate latest \
+    && echo "source /opt/emsdk/emsdk_env.sh" >> /root/.bashrc
+
+#
+# install binaryen
+ARG BINARYEN_FILE="binaryen-${BINARYEN_VER}-x86_64-linux.tar.gz"
+COPY ${BINARYEN_FILE} /opt
+RUN cd /opt \
+    && tar zxf ${BINARYEN_FILE} \
+    && rm ${BINARYEN_FILE}  \
+    && ln -sf /opt/binaryen-${BINARYEN_VER} /opt/binaryen
+
+#
+# Clean up
+RUN apt-get autoremove -y \
+    && apt-get clean -y \
+    && rm -rf /var/lib/apt/lists/* \
+    && rm -rf /tmp/*
+
+VOLUME /data
+WORKDIR /data

samples/workload/docker/build.sh

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+#
+# Copyright (C) 2019 Intel Corporation.  All rights reserved.
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+#
+
+#!/bin/bash
+
+if [[ ! -d build_scripts ]]; then
+    mkdir build_scripts
+fi
+
+WASI_SDK_VER=11.0
+WABT_VER=1.0.19
+CMAKE_VER=3.16.2
+BINARYEN_VER=version_97
+
+cd build_scripts
+if [[ ! -f wasi-sdk-${WASI_SDK_VER}-linux.tar.gz ]]; then
+  wget https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-11/wasi-sdk-${WASI_SDK_VER}-linux.tar.gz
+fi
+
+if [[ ! -f wabt-${WABT_VER}-ubuntu.tar.gz ]]; then
+  wget https://github.com/WebAssembly/wabt/releases/download/${WABT_VER}/wabt-${WABT_VER}-ubuntu.tar.gz
+fi
+
+if [[ ! -f llvm.sh ]]; then
+  wget https://apt.llvm.org/llvm.sh
+fi
+
+if [[ ! -f cmake-${CMAKE_VER}-Linux-x86_64.sh ]]; then
+  wget https://github.com/Kitware/CMake/releases/download/v${CMAKE_VER}/cmake-${CMAKE_VER}-Linux-x86_64.sh
+fi
+
+if [[ ! -f binaryen-${BINARYEN_VER}-x86_64-linux.tar.gz ]]; then
+  wget https://github.com/WebAssembly/binaryen/releases/download/${BINARYEN_VER}/binaryen-${BINARYEN_VER}-x86_64-linux.tar.gz
+fi
+cd -
+
+docker build \
+  --build-arg http_proxy=${http_proxy} \
+  --build-arg https_proxy=${https_proxy} \
+  --build-arg HTTP_PROXY=${http_proxy} \
+  --build-arg HTTPS_PROXY=${https_proxy} \
+  --build-arg WASI_SDK_VER=11.0 \
+  --build-arg WABT_VER=${WABT_VER} \
+  --build-arg CMAKE_VER=${CMAKE_VER} \
+  --build-arg BINARYEN_VER=${BINARYEN_VER} \
+  -t clang_env:0.1 -f Dockerfile build_scripts

samples/workload/docker/run.sh

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+#!/bin/bash
+
+docker run --rm -it \
+  -e http_proxy=${http_proxy} \
+  -e https_proxy=${https_proxy} \
+  -e HTTP_PROXY=${http_proxy} \
+  -e HTTPS_PROXY=${htpps_proxy} \
+  --name workload_w_clang \
+  --mount type=bind,source=$(pwd)/..,target=/data \
+  clang_env:0.1