CANN（Compute Architecture for Neural Networks）是华为针对AI场景推出的异构计算架构，对上支持多种AI框架，对下服务AI处理器与编程，发挥承上启下的关键作用，是提升昇腾AI处理器计算效率的关键平台
架构开放
提供丰富接口类型，兼容主流AI框架
极致性能
加速大模型并行计算、软硬件协同释放澎湃算力
极简易用
统一API适配全系硬件，Ascend C提供简易开发体系
CANN 助力构筑昇腾AI算力平台
CANN作为华为昇腾AI基础软硬件平台的核心，以极致性能、极简开发、开放生态为目标，助力昇腾构建全场景人工智能平台
深度学习框架
AI框架适配
Framework Adapter
创新算子及领域加速库
人工智能应用
异构计算架构
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Ascend C
算子编程语言
面向算子开发场景，匹配用户开发习惯，支持算子极简编程
AOL
算子加速库
提供丰富的深度优化、硬件亲和的高性能算子
HCCL
集合通信库
提供单机多卡及多机多卡间的数据并行、模型并行集合通信方案
GE
图引擎
计算图编译运行控制中心，提供图编译优化与加载执行能力
BiSheng Compiler 毕昇编译器
提供Host-Device异构编程编译能力，微架构精准编译优化
Runtime 运行时
提供资源管理、媒体数据预处理、模型推理等功能，支持开发者快速构建AI应用
Driver 驱动
MindStudio
全流程工具链
昇腾系列硬件
开发场景
图开发AIR
通过统一的图开发接口支持多种AI框架接入，不同AI框架的计算图可实现到Ascend IR图的转换，多种优化加速技术使能昇腾AI处理器的高性能图执行
算子开发Ascend C
原生支持C和C++标准规范，最大化匹配用户开发习惯。通过多层接口抽象、自动并行计算、孪生调试等关键技术，助力开发者低成本高效率完成算子开发
应用开发ACL
支持C&C++和Python两种开发语言，提供高效的硬件资源管理、媒体数据预处理、算子调用、模型推理等开发接口，供开发者轻松构建高性能人工智能应用
支持的深度学习框架与第三方库
开发资源
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代码样例（Ascend/Samples）丰富代码样例，帮助开发者快速入门，熟练掌握CANN关键特性使用
学习资源
体系化的课程，轻松学CANN、用CANN
一站式在线学习、实验、考试，快速获取昇腾AI核心技能认证
