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真机验证发现的问题: 1. qwen3_5.py 做 'from ex_engine.python.ix_bridge' 但包结构是 ex_engine.ix_bridge → 创建 python/ 子目录 + symlinks 2. flash_qla_sm70 只部署到 /workspace 没有到 vllm models 目录 → 显式 cp -r 到 VLLM/model_executor/models/ 3. 从 vllm v0.5.5 搬 MoE CUDA kernels (torch::Tensor API): - topk_softmax_kernels.cu (506行, CUB BlockReduce) - moe_align_block_size_kernels.cu (134行) - moe_pybind.cpp (pybind11 入口) 真机验证结果: ✓ ix_bridge import OK, available=True ✓ topk_softmax (64 experts, top8) OK — CUDA kernel 命中 ✓ ix_full_bridge silu_and_mul OK ✓ qwen3_5.py import OK ✓ ex_engine build 2/2 factors ✓ moe_topk_softmax_v3.so 编译成功 ✓ flash_qla_sm70_gdn_strided.so 编译成功 ✗ 单卡 32GB OOM (正常, 竞赛 4卡 tp=4)