编译版本，默认配置，android-ndk-r21d，xcode 12.4，ubuntu-18.04，ubuntu-20.04，vs2015，vs2017，vs2019，emscripten-2.0.8
| file | content | arch |
|---|---|---|
| ncnn-full-source.zip | 包含全部 submodule 代码的完整源码 | |
| ncnn-android.zip | android 静态库/动态库 | armeabi-v7a + arm64-v8a + x86 + x86_64 |
| ncnn-android-vulkan.zip | android 静态库/动态库，支持 GPU | armeabi-v7a + arm64-v8a + x86 + x86_64 |
| ncnn-ios.zip | ios 静态库，with and w/o bitcode | armv7 + arm64 + arm64e + i386 + x86_64 |
| ncnn-ios-vulkan.zip | ios 静态库，支持 GPU，with and w/o bitcode | arm64 + arm64e + x86_64 |
| ncnn-macos.zip | macos 静态库 | x86_64 + arm64 |
| ncnn-macos-vulkan.zip | macos 静态库，支持 GPU | x86_64 + arm64 |
| ncnn-ubuntu.zip | ubuntu linux 静态库/动态库，支持 GPU，模型转换工具 | x86_64 |
| ncnn-windows.zip | windows 静态库/动态库，支持 GPU，模型转换工具 | x86 + x86_64 |
| ncnn-webassembly.zip | webassembly 静态库 | wasm32 + simd + threads + simd-threads |
Mat数据结构支持4维
新增Convolution3D, Pooling3D和对应的pnnx算子转换
这些算子支持4维输入输出(Cast, Packing, ReLU, BatchNorm, Reshape, Flatten, Permute, Crop)和对应的pnnx算子转换
C api增加4维mat
Convolution1D常规的simd优化(sse/avx/neon/rvv/msa)
降低gpu推理时的cpu占用
降低单元测试cpu占用
改进pnnx转ncnn的batch轴识别
更新operators文档
修复开启simpleocv时仍然寻找系统opencv的问题(zchrissirhcz)
修正p2pnet例子绘图bug(FeiGeChuanShu)
支持c906 v2.2.2新工具链
更可靠的ci任务取消机制
ci新增avx512和nvidia t4
修复python wheel发布脚本
更新ci lavapipe版本(ljtjerry)
更新ci webassembly支持nodejs v16
更新FAQ(zhaqu, Bright476, Rinfair-CSP-A016)
修正拼写错误(cmdbug)
New Contributors
- @zhaqu made their first contribution in #3374
- @ljtjerry made their first contribution in #3387
- @Rinfair-CSP-A016 made their first contribution in #3399
Full Changelog: 2021112...2021120