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README
Apache-2.0

metadef

metadef,即昇腾元数据定义,即相关数据结构以及对外接口定义.

目录结构介绍

executorch
├── error_manager                       #  相关错误码定义
├── exe_graph                            
|   ├── lowering                        #  执行图构图接口相关实现
|   ├── runtime                         #  执行图执行接口相关实现
├── graph                               #  图相关接口实现,包括图缓存模块、序列化
├── inc
|   ├── common                          #  一些公共头文件
|   ├── exe_graph                       #  执行图头文件
|   ├── external                        #  对外发布的头文件(保证兼容性)
|   ├── graph                           #  图接口相关头文件
|   ├── register                        #  算子注册头文件
├── proto                               #  图相关proto定义
├── register                            #  算子注册实现
├── tests                               #  开发者测试目录

环境准备

在源码编译前,请确保环境满足如下要求:

  • 编译环境已安装CANN开发套件包(Ascend-cann-toolkit_<soc_version>_linux_<arch>),CANN开发套件软件包请从Link获取。支持的操作系统、安装依赖及安装步骤请参见对应的用户手册的“CANN软件包支持的操作系统”与“安装开发环境”章节。

说明: Metadef仓源代码与CANN软件包存在配套关系,源码编译前请获取并安装对应版本的CANN软件包。

  • 源码编译依赖如下依赖,若环境中不存在,请自行安装。
    • gcc:7.5.0版本及以上 (建议7.5.0)
    • cmake:3.20.0版本及以上 (建议3.20.0)
    • compile cache,编译器缓存优化工具,加快二次编译速度
    sudo apt-get install ccache
    • graph-easy (可选)
    sudo apt-get install libgraph-easy-perl

编译

Metadef仓提供一键式编译能力,具体可以通过bash build.sh -h查看:

bash build.sh --ascend_custom_path=${CANN_INSTALL_PATH}

ascend_custom_path默认路径为/usr/local/Ascend/latest,编译完成后会在output目录下生成CANN-metadef-linux.{x86_64/aarch64}.run

本地验证(UT/ST)

Metadef仓提供一键式编译执行开发者测试,详细配置可通过bash tests/run_test.sh -h查看

bash tests/run_test.sh -u --ascend_custom_path=${CANN_INSTALL_PATH}

ascend_custom_path默认路径为/usr/local/Ascend/latest

安装

编译完成后,可通过如下命令安装或回滚:

# 安装:
./CANN-metadef-linux.{x86_64/aarch64}.run --full --quiet --install-path=${CANN_INSTALL_PATH}
# 回滚:
./CANN-metadef-linux.{x86_64/aarch64}.run --rollback --quiet --install-path=${CANN_INSTALL_PATH}

贡献指南

针对Metadef仓,开发者准备本地代码与提交PR时需要重点关注如下几点:

  1. 请输出满足Google编程规范的代码,详细可参见Google 开源项目风格指南
  2. 提交PR时,请按照PR模板仔细填写本次PR的业务背景、目的、方案等信息。
  3. 若您的修改不是简单的bug修复,而是涉及到新增特性、新增接口、新增配置参数或者修改代码流程等,请务必先通过Issue进行方案讨论,以避免您的代码被拒绝合入。若您不确定本次修改是否可被归为“简单的bug修复”,亦可通过提交Issue进行方案讨论。
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