最近在用Jetson AGX Thor搭建vllm部署qwen3-vl大模型报错:PyTorch 版本不支持你所使用的 NVIDIA GPU(Thor 架构,sm_110)

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最近在用Jetson AGX Thor搭建vllm部署qwen3-vl大模型报错:PyTorch 版本不支持你所使用的 NVIDIA GPU(Thor 架构,sm_110)

报错日志:
INFO 11-14 13:51:51 [init.py:216] Automatically detected platform cuda.
(APIServer pid=2770497) INFO 11-14 13:51:52 [api_server.py:1839] vLLM API server version 0.11.0
(APIServer pid=2770497) INFO 11-14 13:51:52 [utils.py:233] non-default args: {‘host’: ‘0.0.0.0’, ‘port’: 9000, ‘model’: ‘/data/lqy/qwen/Qwen3-VL-8B-Instruct’, ‘served_model_name’: [‘Qwen3-VL-8B-Instruct’], ‘gpu_memory_utilization’: 0.7, ‘skip_mm_profiling’: True}
(APIServer pid=2770497) INFO 11-14 13:51:52 [model.py:547] Resolved architecture: Qwen3VLForConditionalGeneration
(APIServer pid=2770497) torch_dtype is deprecated! Use dtype instead!
(APIServer pid=2770497) INFO 11-14 13:51:52 [model.py:1510] Using max model len 262144
(APIServer pid=2770497) INFO 11-14 13:51:52 [scheduler.py:205] Chunked prefill is enabled with max_num_batched_tokens=2048.
INFO 11-14 13:51:57 [init.py:216] Automatically detected platform cuda.
(EngineCore_DP0 pid=2770850) INFO 11-14 13:51:59 [core.py:644] Waiting for init message from front-end.
(EngineCore_DP0 pid=2770850) INFO 11-14 13:51:59 [core.py:77] Initializing a V1 LLM engine (v0.11.0) with config: model=‘/data/lqy/qwen/Qwen3-VL-8B-Instruct’, speculative_config=None, tokenizer=‘/data/lqy/qwen/Qwen3-VL-8B-Instruct’, skip_tokenizer_init=False, tokenizer_mode=auto, revision=None, tokenizer_revision=None, trust_remote_code=False, dtype=torch.bfloat16, max_seq_len=262144, download_dir=None, load_format=auto, tensor_parallel_size=1, pipeline_parallel_size=1, data_parallel_size=1, disable_custom_all_reduce=False, quantization=None, enforce_eager=False, kv_cache_dtype=auto, device_config=cuda, structured_outputs_config=StructuredOutputsConfig(backend=‘auto’, disable_fallback=False, disable_any_whitespace=False, disable_additional_properties=False, reasoning_parser=‘’), observability_config=ObservabilityConfig(show_hidden_metrics_for_version=None, otlp_traces_endpoint=None, collect_detailed_traces=None), seed=0, served_model_name=Qwen3-VL-8B-Instruct, enable_prefix_caching=True, chunked_prefill_enabled=True, pooler_config=None, compilation_config={“level”:3,“debug_dump_path”:“”,“cache_dir”:“”,“backend”:“”,“custom_ops”:[],“splitting_ops”:[“vllm.unified_attention”,“vllm.unified_attention_with_output”,“vllm.mamba_mixer2”,“vllm.mamba_mixer”,“vllm.short_conv”,“vllm.linear_attention”,“vllm.plamo2_mamba_mixer”,“vllm.gdn_attention”,“vllm.sparse_attn_indexer”],“use_inductor”:true,“compile_sizes”:[],“inductor_compile_config”:{“enable_auto_functionalized_v2”:false},“inductor_passes”:{},“cudagraph_mode”:[2,1],“use_cudagraph”:true,“cudagraph_num_of_warmups”:1,“cudagraph_capture_sizes”:[512,504,496,488,480,472,464,456,448,440,432,424,416,408,400,392,384,376,368,360,352,344,336,328,320,312,304,296,288,280,272,264,256,248,240,232,224,216,208,200,192,184,176,168,160,152,144,136,128,120,112,104,96,88,80,72,64,56,48,40,32,24,16,8,4,2,1],“cudagraph_copy_inputs”:false,“full_cuda_graph”:false,“use_inductor_graph_partition”:false,“pass_config”:{},“max_capture_size”:512,“local_cache_dir”:null}
(EngineCore_DP0 pid=2770850) /data/conda/envs/llm311/lib/python3.11/site-packages/torch/cuda/init.py:326: UserWarning:
(EngineCore_DP0 pid=2770850) NVIDIA Thor with CUDA capability sm_110 is not compatible with the current PyTorch installation.
(EngineCore_DP0 pid=2770850) The current PyTorch install supports CUDA capabilities sm_80 sm_90 sm_100 sm_120.
(EngineCore_DP0 pid=2770850) If you want to use the NVIDIA Thor GPU with PyTorch, please check the instructions at https://pytorch.org/get-started/locally/
(EngineCore_DP0 pid=2770850)
(EngineCore_DP0 pid=2770850) warnings.warn(
(EngineCore_DP0 pid=2770850) ERROR 11-14 13:52:01 [core.py:708] EngineCore failed to start.
(EngineCore_DP0 pid=2770850) ERROR 11-14 13:52:01 [core.py:708] Traceback (most recent call last):
(EngineCore_DP0 pid=2770850) ERROR 11-14 13:52:01 [core.py:708] File “/data/conda/envs/llm311/lib/python3.11/site-packages/vllm/v1/engine/core.py”, line 699, in run_engine_core
(EngineCore_DP0 pid=2770850) ERROR 11-14 13:52:01 [core.py:708] engine_core = EngineCoreProc(*args, **kwargs)
(EngineCore_DP0 pid=2770850) ERROR 11-14 13:52:01 [core.py:708] ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
(EngineCore_DP0 pid=2770850) ERROR 11-14 13:52:01 [core.py:708] File “/data/conda/envs/llm311/lib/python3.11/site-packages/vllm/v1/engine/core.py”, line 498, in init
(EngineCore_DP0 pid=2770850) ERROR 11-14 13:52:01 [core.py:708] super().init(vllm_config, executor_class, log_stats,
(EngineCore_DP0 pid=2770850) ERROR 11-14 13:52:01 [core.py:708] File “/data/conda/envs/llm311/lib/python3.11/site-packages/vllm/v1/engine/core.py”, line 83, in init
(EngineCore_DP0 pid=2770850) ERROR 11-14 13:52:01 [core.py:708] self.model_executor = executor_class(vllm_config)
(EngineCore_DP0 pid=2770850) ERROR 11-14 13:52:01 [core.py:708] ^^^^^^^^^^^^^^^^^^^^^^^^^^^
(EngineCore_DP0 pid=2770850) ERROR 11-14 13:52:01 [core.py:708] File “/data/conda/envs/llm311/lib/python3.11/site-packages/vllm/executor/executor_base.py”, line 54, in init
(EngineCore_DP0 pid=2770850) ERROR 11-14 13:52:01 [core.py:708] self._init_executor()
(EngineCore_DP0 pid=2770850) ERROR 11-14 13:52:01 [core.py:708] File “/data/conda/envs/llm311/lib/python3.11/site-packages/vllm/executor/uniproc_executor.py”, line 54, in _init_executor
(EngineCore_DP0 pid=2770850) ERROR 11-14 13:52:01 [core.py:708] self.collective_rpc(“init_device”)
(EngineCore_DP0 pid=2770850) ERROR 11-14 13:52:01 [core.py:708] File “/data/conda/envs/llm311/lib/python3.11/site-packages/vllm/executor/uniproc_executor.py”, line 83, in collective_rpc
(EngineCore_DP0 pid=2770850) ERROR 11-14 13:52:01 [core.py:708] return [run_method(self.driver_worker, method, args, kwargs)]
(EngineCore_DP0 pid=2770850) ERROR 11-14 13:52:01 [core.py:708] ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
(EngineCore_DP0 pid=2770850) ERROR 11-14 13:52:01 [core.py:708] File “/data/conda/envs/llm311/lib/python3.11/site-packages/vllm/utils/init.py”, line 3122, in run_method
(EngineCore_DP0 pid=2770850) ERROR 11-14 13:52:01 [core.py:708] return func(*args, **kwargs)
(EngineCore_DP0 pid=2770850) ERROR 11-14 13:52:01 [core.py:708] ^^^^^^^^^^^^^^^^^^^^^
(EngineCore_DP0 pid=2770850) ERROR 11-14 13:52:01 [core.py:708] File “/data/conda/envs/llm311/lib/python3.11/site-packages/vllm/worker/worker_base.py”, line 259, in init_device
(EngineCore_DP0 pid=2770850) ERROR 11-14 13:52:01 [core.py:708] self.worker.init_device() # type: ignore
(EngineCore_DP0 pid=2770850) ERROR 11-14 13:52:01 [core.py:708] ^^^^^^^^^^^^^^^^^^^^^^^^^
(EngineCore_DP0 pid=2770850) ERROR 11-14 13:52:01 [core.py:708] File “/data/conda/envs/llm311/lib/python3.11/site-packages/vllm/v1/worker/gpu_worker.py”, line 161, in init_device
(EngineCore_DP0 pid=2770850) ERROR 11-14 13:52:01 [core.py:708] current_platform.set_device(self.device)
(EngineCore_DP0 pid=2770850) ERROR 11-14 13:52:01 [core.py:708] File “/data/conda/envs/llm311/lib/python3.11/site-packages/vllm/platforms/cuda.py”, line 83, in set_device
(EngineCore_DP0 pid=2770850) ERROR 11-14 13:52:01 [core.py:708] _ = torch.zeros(1, device=device)
(EngineCore_DP0 pid=2770850) ERROR 11-14 13:52:01 [core.py:708] ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
(EngineCore_DP0 pid=2770850) ERROR 11-14 13:52:01 [core.py:708] torch.AcceleratorError: CUDA error: no kernel image is available for execution on the device
(EngineCore_DP0 pid=2770850) ERROR 11-14 13:52:01 [core.py:708] CUDA kernel errors might be asynchronously reported at some other API call, so the stacktrace below might be incorrect.
(EngineCore_DP0 pid=2770850) ERROR 11-14 13:52:01 [core.py:708] For debugging consider passing CUDA_LAUNCH_BLOCKING=1
(EngineCore_DP0 pid=2770850) ERROR 11-14 13:52:01 [core.py:708] Compile with TORCH_USE_CUDA_DSA to enable device-side assertions.
(EngineCore_DP0 pid=2770850) ERROR 11-14 13:52:01 [core.py:708]
(EngineCore_DP0 pid=2770850) Process EngineCore_DP0:
(EngineCore_DP0 pid=2770850) Traceback (most recent call last):
(EngineCore_DP0 pid=2770850) File “/data/conda/envs/llm311/lib/python3.11/multiprocessing/process.py”, line 314, in _bootstrap
(EngineCore_DP0 pid=2770850) self.run()
(EngineCore_DP0 pid=2770850) File “/data/conda/envs/llm311/lib/python3.11/multiprocessing/process.py”, line 108, in run
(EngineCore_DP0 pid=2770850) self._target(*self._args, **self._kwargs)
(EngineCore_DP0 pid=2770850) File “/data/conda/envs/llm311/lib/python3.11/site-packages/vllm/v1/engine/core.py”, line 712, in run_engine_core
(EngineCore_DP0 pid=2770850) raise e
(EngineCore_DP0 pid=2770850) File “/data/conda/envs/llm311/lib/python3.11/site-packages/vllm/v1/engine/core.py”, line 699, in run_engine_core
(EngineCore_DP0 pid=2770850) engine_core = EngineCoreProc(*args, **kwargs)
(EngineCore_DP0 pid=2770850) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
(EngineCore_DP0 pid=2770850) File “/data/conda/envs/llm311/lib/python3.11/site-packages/vllm/v1/engine/core.py”, line 498, in init
(EngineCore_DP0 pid=2770850) super().init(vllm_config, executor_class, log_stats,
(EngineCore_DP0 pid=2770850) File “/data/conda/envs/llm311/lib/python3.11/site-packages/vllm/v1/engine/core.py”, line 83, in init
(EngineCore_DP0 pid=2770850) self.model_executor = executor_class(vllm_config)
(EngineCore_DP0 pid=2770850) ^^^^^^^^^^^^^^^^^^^^^^^^^^^
(EngineCore_DP0 pid=2770850) File “/data/conda/envs/llm311/lib/python3.11/site-packages/vllm/executor/executor_base.py”, line 54, in init
(EngineCore_DP0 pid=2770850) self._init_executor()
(EngineCore_DP0 pid=2770850) File “/data/conda/envs/llm311/lib/python3.11/site-packages/vllm/executor/uniproc_executor.py”, line 54, in _init_executor
(EngineCore_DP0 pid=2770850) self.collective_rpc(“init_device”)
(EngineCore_DP0 pid=2770850) File “/data/conda/envs/llm311/lib/python3.11/site-packages/vllm/executor/uniproc_executor.py”, line 83, in collective_rpc
(EngineCore_DP0 pid=2770850) return [run_method(self.driver_worker, method, args, kwargs)]
(EngineCore_DP0 pid=2770850) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
(EngineCore_DP0 pid=2770850) File “/data/conda/envs/llm311/lib/python3.11/site-packages/vllm/utils/init.py”, line 3122, in run_method
(EngineCore_DP0 pid=2770850) return func(*args, **kwargs)
(EngineCore_DP0 pid=2770850) ^^^^^^^^^^^^^^^^^^^^^
(EngineCore_DP0 pid=2770850) File “/data/conda/envs/llm311/lib/python3.11/site-packages/vllm/worker/worker_base.py”, line 259, in init_device
(EngineCore_DP0 pid=2770850) self.worker.init_device() # type: ignore
(EngineCore_DP0 pid=2770850) ^^^^^^^^^^^^^^^^^^^^^^^^^
(EngineCore_DP0 pid=2770850) File “/data/conda/envs/llm311/lib/python3.11/site-packages/vllm/v1/worker/gpu_worker.py”, line 161, in init_device
(EngineCore_DP0 pid=2770850) current_platform.set_device(self.device)
(EngineCore_DP0 pid=2770850) File “/data/conda/envs/llm311/lib/python3.11/site-packages/vllm/platforms/cuda.py”, line 83, in set_device
(EngineCore_DP0 pid=2770850) _ = torch.zeros(1, device=device)
(EngineCore_DP0 pid=2770850) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
(EngineCore_DP0 pid=2770850) torch.AcceleratorError: CUDA error: no kernel image is available for execution on the device
(EngineCore_DP0 pid=2770850) CUDA kernel errors might be asynchronously reported at some other API call, so the stacktrace below might be incorrect.
(EngineCore_DP0 pid=2770850) For debugging consider passing CUDA_LAUNCH_BLOCKING=1
(EngineCore_DP0 pid=2770850) Compile with TORCH_USE_CUDA_DSA to enable device-side assertions.
(EngineCore_DP0 pid=2770850)
(APIServer pid=2770497) Traceback (most recent call last):
(APIServer pid=2770497) File “”, line 198, in _run_module_as_main
(APIServer pid=2770497) File “”, line 88, in _run_code
(APIServer pid=2770497) File “/data/conda/envs/llm311/lib/python3.11/site-packages/vllm/entrypoints/openai/api_server.py”, line 1953, in
(APIServer pid=2770497) uvloop.run(run_server(args))
(APIServer pid=2770497) File “/data/conda/envs/llm311/lib/python3.11/site-packages/uvloop/init.py”, line 92, in run
(APIServer pid=2770497) return runner.run(wrapper())
(APIServer pid=2770497) ^^^^^^^^^^^^^^^^^^^^^
(APIServer pid=2770497) File “/data/conda/envs/llm311/lib/python3.11/asyncio/runners.py”, line 118, in run
(APIServer pid=2770497) return self._loop.run_until_complete(task)
(APIServer pid=2770497) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
(APIServer pid=2770497) File “uvloop/loop.pyx”, line 1518, in uvloop.loop.Loop.run_until_complete
(APIServer pid=2770497) File “/data/conda/envs/llm311/lib/python3.11/site-packages/uvloop/init.py”, line 48, in wrapper
(APIServer pid=2770497) return await main
(APIServer pid=2770497) ^^^^^^^^^^
(APIServer pid=2770497) File “/data/conda/envs/llm311/lib/python3.11/site-packages/vllm/entrypoints/openai/api_server.py”, line 1884, in run_server
(APIServer pid=2770497) await run_server_worker(listen_address, sock, args, **uvicorn_kwargs)
(APIServer pid=2770497) File “/data/conda/envs/llm311/lib/python3.11/site-packages/vllm/entrypoints/openai/api_server.py”, line 1902, in run_server_worker
(APIServer pid=2770497) async with build_async_engine_client(
(APIServer pid=2770497) File “/data/conda/envs/llm311/lib/python3.11/contextlib.py”, line 210, in aenter
(APIServer pid=2770497) return await anext(self.gen)
(APIServer pid=2770497) ^^^^^^^^^^^^^^^^^^^^^
(APIServer pid=2770497) File “/data/conda/envs/llm311/lib/python3.11/site-packages/vllm/entrypoints/openai/api_server.py”, line 180, in build_async_engine_client
(APIServer pid=2770497) async with build_async_engine_client_from_engine_args(
(APIServer pid=2770497) File “/data/conda/envs/llm311/lib/python3.11/contextlib.py”, line 210, in aenter
(APIServer pid=2770497) return await anext(self.gen)
(APIServer pid=2770497) ^^^^^^^^^^^^^^^^^^^^^
(APIServer pid=2770497) File “/data/conda/envs/llm311/lib/python3.11/site-packages/vllm/entrypoints/openai/api_server.py”, line 225, in build_async_engine_client_from_engine_args
(APIServer pid=2770497) async_llm = AsyncLLM.from_vllm_config(
(APIServer pid=2770497) ^^^^^^^^^^^^^^^^^^^^^^^^^^
(APIServer pid=2770497) File “/data/conda/envs/llm311/lib/python3.11/site-packages/vllm/utils/init.py”, line 1572, in inner
(APIServer pid=2770497) return fn(*args, **kwargs)
(APIServer pid=2770497) ^^^^^^^^^^^^^^^^^^^
(APIServer pid=2770497) File “/data/conda/envs/llm311/lib/python3.11/site-packages/vllm/v1/engine/async_llm.py”, line 207, in from_vllm_config
(APIServer pid=2770497) return cls(
(APIServer pid=2770497) ^^^^
(APIServer pid=2770497) File “/data/conda/envs/llm311/lib/python3.11/site-packages/vllm/v1/engine/async_llm.py”, line 134, in init
(APIServer pid=2770497) self.engine_core = EngineCoreClient.make_async_mp_client(
(APIServer pid=2770497) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
(APIServer pid=2770497) File “/data/conda/envs/llm311/lib/python3.11/site-packages/vllm/v1/engine/core_client.py”, line 102, in make_async_mp_client
(APIServer pid=2770497) return AsyncMPClient(*client_args)
(APIServer pid=2770497) ^^^^^^^^^^^^^^^^^^^^^^^^^^^
(APIServer pid=2770497) File “/data/conda/envs/llm311/lib/python3.11/site-packages/vllm/v1/engine/core_client.py”, line 769, in init
(APIServer pid=2770497) super().init(
(APIServer pid=2770497) File “/data/conda/envs/llm311/lib/python3.11/site-packages/vllm/v1/engine/core_client.py”, line 448, in init
(APIServer pid=2770497) with launch_core_engines(vllm_config, executor_class,
(APIServer pid=2770497) File “/data/conda/envs/llm311/lib/python3.11/contextlib.py”, line 144, in exit
(APIServer pid=2770497) next(self.gen)
(APIServer pid=2770497) File “/data/conda/envs/llm311/lib/python3.11/site-packages/vllm/v1/engine/utils.py”, line 732, in launch_core_engines
(APIServer pid=2770497) wait_for_engine_startup(
(APIServer pid=2770497) File “/data/conda/envs/llm311/lib/python3.11/site-packages/vllm/v1/engine/utils.py”, line 785, in wait_for_engine_startup
(APIServer pid=2770497) raise RuntimeError("Engine core initialization failed. "
(APIServer pid=2770497) RuntimeError: Engine core initialization failed. See root cause above. Failed core proc(s): {}

解决:
下载vllm源代码并编译
git clone --recursive https://github.com/vllm-project/vllm.git
cd vllm
python3 use_existing_torch.py
uv pip install -r requirements/build.txt
uv pip install --no-build-isolation -e .
再配置这几个环境:
export TORCH_CUDA_ARCH_LIST=11.0a
export TRITON_PTXAS_PATH=/usr/local/cuda-13.0/bin/ptxas
export PATH=/usr/local/cuda/bin:PATHexportLDLIBRARYPATH=/usr/local/cuda/lib64:PATH export LD_LIBRARY_PATH=/usr/local/cuda/lib64:PATHexportLDLIBRARYPATH=/usr/local/cuda/lib64:LD_LIBRARY_PATH

如果还能成功运行,请参考我的另一篇文章
链接:https://blog.youkuaiyun.com/ssliq/article/details/155019244?spm=1011.2124.3001.6209

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Cuda

PyTorch 是一个开源的 Python 机器学习库,基于 Torch 库,底层由 C++ 实现,应用于人工智能领域,如计算机视觉和自然语言处理

<think>好的,我现在要帮用户解决在Jetson Orin AGX部署Qwen2-VL的问题。首先,我需要确认用户的需求。Qwen2-VL是阿里云的多模态大模型,支持图像和文本理解,所以用户可能想在这个嵌入式设备上运行视觉和语言结合的AI应用。Jetson Orin AGX属于NVIDIA的边缘计算设备,具有GPU加速能力,但部署大模型需要考虑资源限制。 接下来,我需要思考部署流程。通常,这类部署步骤包括环境准备、模型转换、优化、部署和测试。首先,用户需要配置Jetson的环境,可能包括JetPack SDK、CUDA、TensorRT等。然后,模型可能需要从原始框架(比如PyTorch)转换为ONNX,再转成TensorRT引擎,以利用硬件加速。同时,内存和计算资源的优化是关键,因为大模型参数量大,Jetson的内存可能有限。 然后,我需要考虑Qwen2-VL的具体要求。这个模型可能基于Transformer架构,支持多模态输入。需要查看官方文档是否有针对边缘设备的部署指导,或者是否有开源社区的成功案例。如果没有现成的方案,可能需要自行调整模型结构,比如量化、剪枝,或者使用更小的模型变体。 可能的挑战包括:模型过大导致内存不足,需要量化到FP16或INT8;依赖库的兼容性问题,比如PyTorchJetson版本;多线程处理以提升推理速度;以及图像和文本输入的预处理和后处理如何高效实现。 接下来,我需要整理步骤,确保用户能够逐步操作。可能包括安装依赖、下载模型、转换格式、编写推理脚本、测试性能等。同时提醒用户注意JetPack版本、存储空间、散热问题,以及可能的性能瓶颈。 最后,验证步骤很重要,用户需要测试模型的功能是否正常,比如输入图片和文本,查看输出是否符合预期。性能监控工具如jetson_stats可以帮助查看资源使用情况,必要时进行调整优化。 总之,整个过程需要系统性地处理环境配置、模型优化、资源管理和功能测试,确保Qwen2-VLJetson Orin AGX上高效稳定运行。</think>在NVIDIA Jetson Orin AGX部署Qwen2-VL多模态大模型,需结合硬件特性进行优化。以下是分步指南: 一、环境准备 1. 基础系统 $$ sudo apt update && sudo apt upgrade -y $$ - 确认JetPack 5.1.2+已安装(需包含CUDA 11.4+,TensorRT 8.5+) - 检查存储空间:建议预留至少64GB空间 2. Python环境 ```bash sudo apt install python3-pip libopenblas-dev python3 -m pip install --upgrade pip pip3 install torch==2.0.0 torchvision==0.15.1 --extra-index-url https://download.pytorch.org/whl/rocm5.4.2 ``` 二、模型部署 1. 获取Qwen2-VL资源 ```bash git clone https://github.com/QwenLM/Qwen2-VL.git cd Qwen2-VL && pip install -r requirements.txt ``` 2. 模型优化(关键步骤) - 使用TensorRT转换: $$ python3 -m tensorrt.utils.onnx_to_trt --onnx=model.onnx --saveEngine=model.trt --fp16 $$ - 启用Jetson CUDA加速: ```python import torch model = model.half().to(&#39;cuda&#39;) # FP16量化 ``` 三、内存优化技巧 1. 分块加载技术 ```python from transformers import AutoModel model = AutoModel.from_pretrained("Qwen/Qwen2-VL", device_map="auto", offload_folder="offload") ``` 2. 图像预处理优化 ```python from jetson_utils import cudaImage cuda_img = cudaImage(width=224, height=224) ``` 四、部署验证 1. 基准测试脚本 ```python import time start = time.time() output = model.generate(**inputs) print(f"Inference time: {time.time()-start:.2f}s") ``` 2. 资源监控 ```bash sudo tegrastats --interval 1000 ``` 五、注意事项 1. 推荐使用Qwen2-VL-1.8B-Chat轻量版 2. 保持芯片温度<70℃(可通过加装散热片) 3. 使用SWAP交换空间: $$ sudo fallocate -l 16G /swapfile && sudo chmod 600 /swapfile $$ 六、性能参考 - FP16模式下1.8B模型: - 内存占用:~5.2GB - 推理延迟:~3.8s(512 tokens) - 最大并发:2线程 建议先尝试官方提供的Jetson专用Docker镜像(若有),可减少环境配置复杂度。实际部署时需根据应用场景调整输入分辨率(建议不低于224x224)和文本长度限制。
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