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README
Apache-2.0

HUAWEI HiAI Foundation介绍

华为终端有强大的AI能力,为了让开发者能够更简单快捷的应用华为终端的AI能力,HUAWEI HiAI基于“芯、端、云”三层开放架构,构筑全面开放的智慧生态,让开发者能够快速地利用华为强大的AI处理能力,为用户提供更好的智慧应用体验。

HUAWEI HiAI Foundation作为芯片使能的基础平台,提供了300+算子的支持,具备业界最佳的模型兼容性,为众多业务场景提供了更高性能更低功耗的计算环境。

img

HUAWEI HiAI Foundation衔接智慧业务和计算芯片,提供轻量化模型计算能力,支持华为MindSpore、TensorFlow、Caffe、Paddle、ONNX、AndroidNN等框架的对接,支持芯片内多计算单元的异构计算,为开发者提供模型量化,模型转换,性能调优,维测等高效工具链。

HiAI DDK开发套件将其AI推理能力封装在动态库文件里,通过此方式集成在用户app中,因此HiAI DDK支持跨平台交叉编译,目前支持情况如下所示:

硬件平台 状态
Kirin 平台 Kirin 820、Kirin 985 、Kirin 990 、Kirin 990 5G 、Kirin 990E 、Kirin 9000 、Kirin 9000E ✔️
操作系统 状态
鸿蒙3.0 ✔️

工程结构介绍

文件/目录名 说明
api 开放接口目录
build 编译架构源码、脚本和配置文件目录
cmake 编译过程中用到的cmake文件
doc 文档目录
inc 头文件接口目录
src 源码目录
tests 测试源码目录
CMakeLists.txt 顶层CMakeLists文件
LICENSE 许可证文件
README.md readme文件
RELEASE.md 发布历史记录文件
Third_Party_Open_Source_Software_Notice.doc 开源三方使用声明文件
build.py 编译脚本

编译

编译环境配置

编译所需的第三方源码和工具的推荐版本如下:

编译源码和工具 推荐版本 下载链接
libboundscheck 1.1.11 https://github.com/openeuler-mirror/libboundscheck/archive/refs/tags/v1.1.11.zip
protobuf 3.13.0 https://github.com/protocolbuffers/protobuf/archive/refs/tags/v3.13.0.zip
cutils -- https://mirrors.aliyun.com/android.googlesource.com/system/core/libcutils/include/cutils/native_handle.h
googletest 1.8.1 https://codeload.github.com/google/googletest/tar.gz/release-1.8.1
mockcpp 2.7 https://github.com/sinojelly/mockcpp/archive/refs/tags/v2.7.zip
cmake 3.20.5 https://cmake.org/files/v3.20/cmake-3.20.5-linux-x86_64.tar.gz
android-ndk r23b https://dl.google.com/android/repository/android-ndk-r23b-linux.zip
ohos-ndk -- https://repo.huaweicloud.com/harmonyos/os/4.0-Beta2/ohos-sdk-windows_linux-public.tar.gz

只支持在Linux平台Ubuntu 16/18操作系统下进行编译,暂不支持在windows下编译。

HiAI DDK编译需要依赖第三方库,编译过程中脚本会自动下载所需的源码和工具,请确保可连接网络,下载耗时因网络环境而异。

下载过程中会在工程根目录下的third_party目录中存放下载的第三方源码,其中libboundscheck源码使用build/core/cmake/external/c_sec/CMakeLists.txt编译生成libhuawei_c_sec_shared.so

本项目编译依赖NDK和CMake编译工具(暂不支持r19c以下的NDK版本。):

1、本地没有安装NDK和CMake的情况下:

​ 如果本地是一个全新的环境,我们的编译脚本会自动去下载依赖的NDK和CMake编译工具,并存放在工程根目录下新建的buildtools目录下,开发者可以直接跳到编译执行小节,执行编译命令即可,默认只64位架构的so,如果需要修改目标so架构,请参考下面的”配置ABI“小节。

2、本地已经安装NDK或者CMake的情况下:

如果本地已经下载安装好编译工具,且在系统变量中有命令可用,则无需配置,脚本中会自动检测并使用;

如果想使用工具的其他版本,可以通过修改配置文件build/config/build.conf,指定编译工具路径,编译脚本优先使用配置文件中指定路径的编译工具;

如果当前环境中只有部分编译工具,可以只填写当前已有的编译工具路径,其余未配置的编译工具,我们在build.py脚本中会自动检测并下载。

​ 具体配置项如下所示(注意:配置文件中"="前的变量名请勿修改,编译脚本中会引用到):

  1. 配置NDK路径(下载文件较大,建议使用本地配置)例如:

    # 使用自定义本地配置,如果是编安卓请配置ANDROID_NDK_PATH,如果是编鸿蒙,请配置OHOS_NDK_PATH
    ANDROID_NDK_PATH=/your/project/path/project_name/buildtools/android-ndk-r23b
    OHOS_SDK_PATH=/your/project/path/native
  2. 配置cmake路径,例如:

    # 使用自定义本地配置
    CMAKE_TOOLCHAIN_FILE=/your/project/path/project_name/buildtools/cmake-3.20.5
  3. 配置ABI,此选项用于区分最终的目标文件是基于32bit架构还是64bit架构,此字段只支持三种选项,当前默认配置为both,如下所示

    # Architecture support for [armeabi-v7a/arm64-v8a/both], 'both' means compile both armeabi-v7a and arm64-v8a
    ABI=both

编译执行

在编译过程中,会使用autoreconf命令编译protobuf源码生成protoc文件,请确保本地环境上已经安装有autoreconf命令。

HiAI DDK基于NDK + CMake的命令行构建方式,在确认编译环境配置完成的前提下,安装好python3,在工程根目录下运行build.py即可执行编译。

详细命令如下:

python3 build.py --ddk --target_os={andriod,ohos}  # 只编译和打包so,不编译运行测试代码
python3 build.py --test # 只编译运行测试代码,不编译和打包so

编译输出

编译成功之后会在工程根目录下生成hwhiai-ddk-master.zip压缩包,在压缩包里的ddk/ai_ddk_lib下存放打包的头文件和so。

结构如下所示:

image-20211228160620651

编译打包so成功之后会有如下输出:

image-20211228160620651

编译运行测试代码成功之后会有如下输出:

image-20211228160620651

APP集成

APP开发过程参考HUAWEI HiAI Foundation 开发指南,当前开源部分仅支持NPU推理。

版本说明

版本说明请参阅RELEASE

许可证

Apache License 2.0

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简介

华为终端有强大的AI能力,为了让开发者能够更简单快捷的应用华为终端的AI能力,HUAWEI HiAI基于“芯、端、云”三层开放架构,构筑全面开放的智慧生态,让开发者能够快速地利用华为强大的AI处理能力,为用户提供更好的智慧应用体验。 HUAWEI HiAI Foundation作为芯片使能的基础平台,提供了300+算子的支持,具备业界最佳的模型兼容性,为众多业务场景提供了更高性能更低功耗的计算环境 展开 收起
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