[犀牛鸟 2026 #6789] Youtu-VL-4B-Instruct ncnn_llm 独立 PR 与 Windows/Linux 可审计回归 #6826
March-77
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Issue 要求逐项核对
对应任务:Tencent/ncnn#6789。实现位于共享
ncnn_llm仓库的独立 Youtu-VL 分支,不另建模型专用 GitHub 仓库。convert.py与分离式 40 层 decoder/pnnx 流程src/youtu/;运行时不加载 Python、PyTorch、Transformers 或原始 safetensors[10392, 5240, 1896],文本均为Two tabby仓库、分支与模型版本
model/youtu-vltencent/Youtu-VL-4B-Instruct@8d30a0e49662a1d628a472b12df264dbcd768753.gitattributes;22 个 payload 尚未完成公开验证,因此本文不声称运行包已可用构建与复现
Linux:
原生 Windows 使用相同输入和 CMake 项目,证据工具链为 LLVM-MinGW UCRT / Clang 22.1.8:
同输入比较结果
固定图片 SHA-256:
dea9e7ef97386345f7cff32f9055da4982da5471c48d575146c796ab4563b04e。[10392, 5240, 1896]Two tabby[10392, 5240, 1896]Two tabby0.0132732,mean_abs9.59808e-05[10392, 5240, 1896]Two tabby0.0132427,mean_abs9.60921e-05Linux E2E 为 108.45 s,peak RSS 22,908,812 KiB;Windows direct run 约 94.0/104.0 s,记录到的 peak working set 为 23,206,891,520 bytes。
原始日志、比较结果与截图
configure/buildconfigure/buildctest.logctest.logvision-only.log/e2e.logvision-only.log/e2e.logpytorch-reference.logreference.jsonpackage.log,22 payload、12,177,556,868 字节、逐文件大小与 SHA-256 均 PASSwindows-e2e-terminal.png转换保护与限制
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