这是 SHL 2.6 的 release note，适用于搭载玄铁 CPU 的各类芯片开发板。
This is the release note of SHL 2.6, which is suitable for all kinds of chip development boards equipped with Xuantie CPU.
当前版本包括了一些功能加强和问题修复的说明。
The release includes some functional enhancements and bug fixes.
Features and enhancements
当前版本新增如下特性和加强
- 新增 CPU 型号 c920v2
- 优化了部分 RISC-V V 扩展的通用实现
- 重新组织了头文件目录
The current version adds the following features and enhancements
- Added CPU model c920v2
- Optimized the general implementation of some RISC-V V extensions
- Reorganized the header file directory
Limitations
Bug fixes
Known issues
当前版本有如下已知问题：
strided slice 的输出接 conv2d 后，可能会导致连续多次执行结果出错。
The current version has the following known issues:
After the output of strided slice is connected to conv2d, it may cause errors in the results of multiple consecutive executions.
Deprecated features
当前版本开始，以下特性不再支持或者不再推荐使用：
- anole 上的 npu 不再支持
- 逐层执行的方式不再推荐使用，预期在未来版本中去除
Starting from the current version, the following features are no longer supported or recommended:
- npu on anole is no longer supported
- The layer-by-layer execution method is no longer recommended and is expected to be removed in future versions