ncnn 20250427

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Created by brew bump

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Created with brew bump-formula-pr.

release notes

编译版本，默认配置，android-ndk-r28b，xcode 15.2，ubuntu-22.04，ubuntu-24.04，vs2015，vs2017，vs2019，vs2022，emscripten-3.1.28
| 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 + riscv64 |
|ncnn-android-vulkan.zip | android 静态库/动态库，支持 GPU | armeabi-v7a + arm64-v8a + x86 + x86_64 + riscv64 |
|ncnn-apple.zip | apple xcframework，ios + ios-simulator + macos + mac-catalyst + watchos + watchos-simulator + tvos + tvos-simulator + visionos + visionos-simulator | arm64 + arm64e + x86_64 |
|ncnn-apple-vulkan.zip | apple xcframework，ios + ios-simulator + macos + mac-catalyst + watchos + watchos-simulator + tvos + tvos-simulator + visionos + visionos-simulator，支持 GPU | arm64 + arm64e + x86_64 |
|ncnn-ios.zip | ios 静态库 | arm64 |
|ncnn-ios-vulkan.zip | ios 静态库，支持 GPU | arm64 |
|ncnn-ios-simulator.zip | ios simulator 静态库 | x86_64 + arm64 |
|ncnn-ios-simulator-vulkan.zip | ios simulator 静态库，支持 GPU | x86_64 + arm64 |
|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-mac-catalyst.zip | mac catalyst 静态库 | x86_64 + arm64 |
|ncnn-mac-catalyst-vulkan.zip | mac catalyst 静态库，支持 GPU | x86_64 + arm64 |
|ncnn-watchos.zip | watchos 静态库 | armv7k + arm64_32 |
|ncnn-watchos-simulator.zip | watchos simulator 静态库 | x86_64 + arm64 |
|ncnn-tvos.zip | tvos 静态库 | x86_64 + arm64 |
|ncnn-tvos-vulkan.zip | tvos 静态库，支持 GPU | x86_64 + arm64 |
|ncnn-tvos-simulator.zip | tvos simulator 静态库 | x86_64 + arm64 |
|ncnn-tvos-simulator-vulkan.zip | tvos simulator 静态库，支持 GPU | x86_64 + arm64 |
|ncnn-visionos.zip | visionos 静态库 | arm64 |
|ncnn-visionos-vulkan.zip | visionos 静态库，支持 GPU | arm64 |
|ncnn-visionos-simulator.zip | visionos simulator 静态库 | x86_64 + arm64 |
|ncnn-visionos-simulator-vulkan.zip | visionos simulator 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 + x64 + arm + arm64 |
|ncnn-webassembly.zip | webassembly 静态库 | wasm32 + simd + threads + simd-threads |
x86 convolution int8 gemm xop/avx2/avx512/avx512vnni/avxvnni/avxvnniint8优化

risc-v eltwise rvv优化(@xfan1024)

risc-v bias rvv优化(@AtomAlpaca)

risc-v bnll rvv优化(@AtomAlpaca)

risc-v celu rvv优化(@AtomAlpaca)

重构reduction/quantize/dequantize/requantize减小二进制体积

softmax支持4维输入计算，优化支持任意elempack

param模型文件支持字符串类型的参数值，支持自然写法的数组

reshape支持表达式动态shape，不再支持reshape内permute参数

crop支持表达式动态slice

interp支持表达式动态output size

设置openmp环境变量解决多个openmp冲突问题和绑核失败问题

防止cmake编译器检测的优化导致的误识别

改善windows7+系统中的cpu大小核检测(@futz12)

修复HarmonyOS NEXT get_elf_hwcap返回空的问题(@peerless2012)

添加apple a18和m4系列的cpu型号识别

修复在cpu l2<1M时可能的convolution int8 gemm计算错误

修复android编译可能的重定义VK_USE_PLATFORM_ANDROID_KHR问题

修复mips/loongarch/risc-v架构开启simplemath编译问题

extractor clear()重置local allocator为0，修复多次clear的警告问题

绕过nvidia新驱动下padding可能的程序卡死问题

ncnn2table量化校准工具支持读取npy数据(@wxqwinner)

ncnn2int8量化工具默认使用fp16类型保存权重

改善ncnn单元测试编译耗时

优化cmake ncnn_add_layer()的vulkan shader收集性能(@maxint)

更新最新glslang

glsl编译时自动定义设备相关属性和特性的宏

glsl编译时自动定义ncnn_glsl_version宏

option结构体添加vulkan device index

清理目前comp源码中通用的扩展适配，已自动定义

支持在vulkan shader代码中使用NCNN_LOGE函数打印

检测vulkan扩展 VK_EXT_subgroup_size_control/VK_KHR_shader_subgroup_extended_types/VK_KHR_zero_initialize_workgroup_memory/VK_KHR_shader_subgroup_rotate/VK_EXT_shader_atomic_float/VK_EXT_shader_atomic_float2/VK_KHR_shader_non_semantic_info

修复risc-v ci c906/908/910/k1静态链接libgomp的错误

支持cmake-4.0编译

pip编译pyncnn支持使用系统cmake和ninja(@mgorny)

pnnx更新到torch-2.7

pnnx重构pass-level1代码，实现更快速编译

pnnx支持从tnn模型转换到pytorch/ncnn

pnnx支持转换onnx非对称Conv/Depth2Space，添加pixelshuffle/pixelunshuffle单元测试

pnnx支持转换GlobalAvgPool/ReduceL1/ReduceL2，添加onnx adaptive avg/max pool和norm单元测试

pnnx优化expression中的类型转换

pnnx转换gelu fast模式

pnnx兼容默认sdpa scale参数到ncnn的转换

pnnx合并wav2vec风格的mha

pnnx修复conv+bias合并中bias shape错误问题

pnnx修复instancenorm2d/instancenorm3d的num_featuers错误问题

pnnx转ncnn正确处理squeeze/unsqueeze引起的batch轴变动

pnnx转ncnn正确处理reshape引起的batch轴变动

pnnx修复i64转ncnn失效的问题(@Baiyuetribe)

重构qnx cmake工具链(@zchrissirhcz)

ci更新llvmpipe版本

ci新增自动对比库二进制大小

ci迁移到ubuntu-latest，维持code-format在ubuntu-20.04

ci使用apt中的qemu

ci更新riscv64 thead工具链

ci更新riscv elf工具链

修复apple平台glslang打包，移除glslang-default-resource-limits依赖

python预编译包发布armv7l neon版本，移除ppc64le和s390x预编译包，修复sdist编译

添加缺失的协议文件头(@erquren)

更新readme yolov8链接(@whyb)

更新文档不再要求安装vulkan-sdk

更新文档有关docker中无法使用vulkan的解决办法

更新yolov8检测/分割/姿态估计/分类/旋转目标检测示例代码和模型

新增macbook-air-m3性能数据(@chainsx)

新增orion o6性能数据(@TheSnowfield)
New Contributors

@mgorny made their first contribution in Support using system CMake & Ninja Tencent/ncnn#5899
@erquren made their first contribution in Update license Tencent/ncnn#5925
@futz12 made their first contribution in Support better API to detect big little core in windows after win7 Tencent/ncnn#5927
@wxqwinner made their first contribution in add read npy for ncnn2table Tencent/ncnn#5930
@TheSnowfield made their first contribution in Radxa Orion O6 benchmark Tencent/ncnn#5943
@peerless2012 made their first contribution in Fix get_elf_hwcap always return 0 on HarmonyOS NEXT. Tencent/ncnn#5951
@AtomAlpaca made their first contribution in add bnll_riscv Tencent/ncnn#6005

Full Changelog: Tencent/ncnn@2024122...2025042

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