---
title: CANN
description: "异构计算架构CANN（Compute Architecture for Neural Networks）是昇腾针对AI场景推出的异构计算架构，向上支持多种AI框架，包括MindSpore、PyTorch、TensorFlow等，向下服务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。同时针对多样化应用场景，提供多层次编程接口，支持用户快速构建基于昇腾平台的AI应用和业务。"
url: https://www.hiascend.com/document/detail/zh/CANNCommunityEdition/latest/releasenote/9.1.0-beta.3/release-notes.md
sourcePath: /source/zh/CANNCommunityEdition/920beta1/index/index.html
indexId: 53338005883e29be3cac5e40de5ae7c292daca4f49407ff6e4462b5f273a828157
---
# CANN

异构计算架构CANN（Compute Architecture for Neural Networks）是昇腾针对AI场景推出的异构计算架构，向上支持多种AI框架，包括MindSpore、PyTorch、TensorFlow等，向下服务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。同时针对多样化应用场景，提供多层次编程接口，支持用户快速构建基于昇腾平台的AI应用和业务。

#### CANN 9.2.0-beta.1的关键特性

- 昇腾社区上线CANN版本配套查询助手，用户可快速获取CANN与上下游软件配套关系，点击  查看详情(https://link.gitcode.com/?target=https://www.hiascend.com/developer/download/compatibility&from=https://gitcode.com/cann/release-management/blob/master/9.2.0-beta.1/release-notes.md&lang=zh&theme=white)
。
- 昇腾社区上线固件与驱动（HDK）快速安装页面，自动匹配产品型号与软件包，提高开发者选包效率，点击  查看详情(https://link.gitcode.com/?target=https://www.hiascend.com/hardware/firmware-drivers?ids=d803%252C89dda9ba9de741349efa03687a487678%252C19%252CAArch64%252Conline_Yum&from=https://gitcode.com/cann/release-management/blob/master/9.2.0-beta.1/release-notes.md&lang=zh&theme=white)
。


#### 快速上手

版本说明(https://www.hiascend.com/document/detail/zh/CANNCommunityEdition/920beta1/softwareinst/releasenote/9.2.0-beta.1/release-notes.md)

快速安装(https://www.hiascend.com/cann/download?versionId=749&ids=d806,h0501,h0601,h0702)

Ascend C编程指南(https://www.hiascend.com/document/detail/zh/CANNCommunityEdition/920beta1/programug/Ascendcopdevg/docs/guide/入门教程/Ascend-C概述与学习路径.md)


#### 查阅CANN文档

按工作流程、功能领域、API参考等维度查阅CANN相关文档。


**表1 发行与安装**

| 发行与安装 |
| --- |
| 版本说明(https://www.hiascend.com/document/detail/zh/CANNCommunityEdition/920beta1/softwareinst/releasenote/9.2.0\-beta.1/release\-notes.md) |
| 快速安装(https://www.hiascend.com/cann/download) |
| 软件安装(https://www.hiascend.com/document/detail/zh/CANNCommunityEdition/920beta1/softwareinst/instg/instg\_0000.html) |
| 昇腾产品形态说明(https://www.hiascend.com/document/detail/zh/AscendFAQ/ProduTech/productform/hardwaredesc\_0001.html) |


**表2 学习与教程**

| 学习与教程 |
| --- |
| CANN\-learning\-hub(https://atomgit.com/cann/cann\-learning\-hub) |
| CANN\-samples(https://atomgit.com/cann/cann\-samples) |


**表3 编程语言**

| 编程语言 |
| --- |
| Ascend C编程指南(https://www.hiascend.com/document/detail/zh/CANNCommunityEdition/920beta1/programug/Ascendcopdevg/docs/guide/入门教程/Ascend\-C概述与学习路径.md) |
| CATLASS编程指南(https://gitcode.com/cann/catlass/blob/master/docs/zh/1\_Practice/10\_innovative\_example\_development\_guide.md) |
| PyPTO算子开发(https://www.hiascend.com/document/detail/zh/CANNCommunityEdition/920beta1/programug/pyptoopdevg/docs/zh/tutorials/introduction/introduction.md) |
| 图开发(https://www.hiascend.com/document/detail/zh/CANNCommunityEdition/920beta1/programug/graphdevg/atlasag\_25\_0081.html) |


**表4 编译器**

| 编译器 |
| --- |
| 毕昇编译器(https://www.hiascend.com/document/detail/zh/CANNCommunityEdition/920beta1/compiler/BishengCompiler/atlas\_bisheng\_10\_0001.html) |
| PTO虚拟指令集(https://www.hiascend.com/document/detail/zh/CANNCommunityEdition/920beta1/compiler/ptoisa/docs/PTO\-ISA\-Header\-and\-Library\-Description.md) |
| AscendNPU IR(https://www.hiascend.com/document/detail/zh/CANNCommunityEdition/920beta1/compiler/AscendNPUIR/ir\_001.html) |


**表5 API参考**

| API参考 |
| --- |
| 头文件和库文件说明(https://www.hiascend.com/document/detail/zh/CANNCommunityEdition/920beta1/API/headerliblist/hfandlf\_09\_0001.html) |
| Ascend C API(https://www.hiascend.com/document/detail/zh/CANNCommunityEdition/920beta1/API/ascendcopapi/atlasascendc\_api\_07\_0003.html) |
| PyPTO API(https://www.hiascend.com/document/detail/zh/CANNCommunityEdition/920beta1/API/pyptoapi/docs/zh/api/tensor/pypto\-Tensor\_introduction.md) |
| 算子库API(https://www.hiascend.com/document/detail/zh/CANNCommunityEdition/920beta1/API/aolapi/operatorlist\_00001.html) |
| Runtime运行时API(https://www.hiascend.com/document/detail/zh/CANNCommunityEdition/920beta1/API/runtimeapi/aclcppdevg\_03\_0019.xml) |
| GE图引擎API(https://www.hiascend.com/document/detail/zh/CANNCommunityEdition/920beta1/API/ascendgraphapi/atlasgeapi\_07\_0001.html) |


**表6 算子库**

| 算子库 |
| --- |
| ops\-math(https://gitcode.com/cann/ops\-math/tree/9.2.0\-beta.1/docs) |
| ops\-cv(https://gitcode.com/cann/ops\-cv/tree/9.2.0\-beta.1/docs) |
| ops\-nn(https://gitcode.com/cann/ops\-nn/tree/9.2.0\-beta.1/docs) |
| ops\-transformer(https://gitcode.com/cann/ops\-transformer/tree/9.2.0\-beta.1/docs) |


**表7 通信库**

| 通信库 |
| --- |
| HCCL集合通信库(https://www.hiascend.com/document/detail/zh/CANNCommunityEdition/920beta1/commlib/hcclug/docs/zh/user\_guide/hccl\_intro.md) |
| SHMEM通信库(https://shmem\-doc.pages.dev/) |
| HIXL单边通信库(https://www.hiascend.com/document/detail/zh/CANNCommunityEdition/920beta1/commlib/hixlug/docs/zh/guide/introduction.md) |
| 通信算子开发(https://www.hiascend.com/document/detail/zh/CANNCommunityEdition/920beta1/commlib/commopdev/docs/zh/comm\_op\_dev\_guide/intro.md) |


**表8 加速库**

| 加速库 |
| --- |
| SiP加速库(https://www.hiascend.com/document/detail/zh/CANNCommunityEdition/920beta1/acce/SiP/docs/zh/Installation\_Operation\_Guide/overview.md) |
| DVPP媒体加速库(https://www.hiascend.com/document/detail/zh/CANNCommunityEdition/920beta1/acce/dvpp/dvpp\_03\_0000.html) |
| ATB加速库(https://www.hiascend.com/document/detail/zh/CANNCommunityEdition/920beta1/acce/ascendtb/ascendtb\_0001.html) |


**表9 调试与分析工具**

| 调试与分析工具 |
| --- |
| 算子开发工具(https://www.hiascend.com/document/detail/zh/CANNCommunityEdition/920beta1/devaids/optool/MindStudio/26.1.0/zh/user\_guide/msot\_user\_guide.md) |
| 算子编译工具(https://www.hiascend.com/document/detail/zh/CANNCommunityEdition/920beta1/devaids/opcompiletool/atlasop\_compiler\_07\_0001.html) |
| 精度调试工具(https://www.hiascend.com/document/detail/zh/CANNCommunityEdition/920beta1/devaids/ModelAccuracyAnalyzer/atlasaccuracy\_16\_1000.html) |
| 性能调优工具(https://www.hiascend.com/document/detail/zh/CANNCommunityEdition/920beta1/devaids/Profiling/atlasprofiling\_16\_0144.html) |
| 内存分析工具(https://www.hiascend.com/document/detail/zh/CANNCommunityEdition/920beta1/devaids/msMemScope/atlas\_msleaks\_0001.html) |
| 分析迁移工具(https://www.hiascend.com/document/detail/zh/CANNCommunityEdition/920beta1/devaids/migrationtools/atlasfmkt\_16\_0001.html) |
| ATC离线模型编译工具(https://www.hiascend.com/document/detail/zh/CANNCommunityEdition/920beta1/devaids/atctool/atlasatc\_16\_0001.html) |
| AOE调优工具(https://www.hiascend.com/document/detail/zh/CANNCommunityEdition/920beta1/devaids/aoe/auxiliarydevtool\_aoe\_0001.html) |
| HCCL性能测试工具(https://www.hiascend.com/document/detail/zh/CANNCommunityEdition/920beta1/devaids/hccltool/HCCLpertest\_16\_0001.html) |
| AMCT模型压缩工具(https://www.hiascend.com/document/detail/zh/CANNCommunityEdition/920beta1/devaids/amct/atlasamct\_16\_0001.html) |


**表10 参考**

| 参考 |
| --- |
| 故障处理(https://www.hiascend.com/document/detail/zh/CANNCommunityEdition/920beta1/maintenref/troubleshooting/troubleshooting\_0001.html) |
| 日志参考(https://www.hiascend.com/document/detail/zh/CANNCommunityEdition/920beta1/maintenref/logreference/logreference\_0001.html) |
| 环境变量参考(https://www.hiascend.com/document/detail/zh/CANNCommunityEdition/920beta1/maintenref/envvar/envref\_07\_0001.html) |
| 图融合和UB融合规则参考(https://www.hiascend.com/document/detail/zh/CANNCommunityEdition/920beta1/maintenref/graphubfusionref/atlasrr\_30\_0003.html) |
| AI框架算子支持清单(https://hiascend.com/document/detail/zh/CANNCommunityEdition/920beta1/maintenref/aifosl/operatorlist\_00097.html) |
| 基础数据结构和接口(https://www.hiascend.com/document/detail/zh/CANNCommunityEdition/920beta1/maintenref/basicdataapi/atlasopapi\_07\_00001.html) |
| 版本参考文档(https://www.hiascend.com/document/detail/zh/CANNCommunityEdition/920beta1/maintenref/refdoc/refer001.html) |
| 术语(https://www.hiascend.com/document/detail/zh/Glossary/gls/gls\_0001.html) |


**表11 更多**

| 更多 |
| --- |
| 应用开发(https://www.hiascend.com/document/detail/zh/CANNCommunityEdition/920beta1/others/acldevg/acldevg\_0001.html) |
| 特征向量检索(https://www.hiascend.com/document/detail/zh/CANNCommunityEdition/920beta1/others/fvsearch/aclcppdevg\_03\_1334.html) |
| RPing功能开发(https://www.hiascend.com/document/detail/zh/CANNCommunityEdition/920beta1/others/rpingdev/RPing\_02\_0001.html) |
| TBE&AI CPU算子开发(https://www.hiascend.com/document/detail/zh/CANNCommunityEdition/920beta1/others/tbeaicpudevg/atlasopdev\_10\_0001.html) |
| LLM DataDist开发(https://www.hiascend.com/document/detail/zh/CANNCommunityEdition/920beta1/others/llmdatadistdev/llmdastdev\_001.html) |
| DataFlow开发(https://www.hiascend.com/document/detail/zh/CANNCommunityEdition/920beta1/others/dataflowdevg/dataflow\_dev\_001.html) |
| ISP图像调优(https://www.hiascend.com/document/detail/zh/CANNCommunityEdition/920beta1/others/ispdevug/ispdevug\_0001.html) |