update 国内网络环境
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@ -54,13 +54,18 @@ VISION_BACKEND=hybrid VLM_INTERVAL=10.0 ./run_all.sh mapping --explore --vision
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### 3.1 安装依赖(GPU 容器内执行)
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```bash
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# 国内环境(默认):自动使用阿里云 pip 镜像 + 魔搭 ModelScope 下载模型
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bash scripts/install_vlm.sh
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# 境外环境(官方源)
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USE_CHINA_MIRROR=false bash scripts/install_vlm.sh
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```
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该脚本会自动:
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- 检测 CUDA 环境,按需安装 PyTorch 2.1.2+cu121
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- 安装 transformers、accelerate、qwen-vl-utils
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- 检测 CUDA 环境,按需安装 PyTorch 2.1.2+cu121(国内优先阿里云镜像,失败则回退官方源)
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- pip 包使用阿里云镜像加速(transformers、accelerate、qwen-vl-utils 等)
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- Ampere 架构 GPU 自动安装 Flash Attention 2
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- **国内默认通过魔搭 ModelScope 下载模型**(无需 HuggingFace 连通性)
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- 预下载 Qwen2.5-VL-3B-Instruct 模型(约 6-8GB,缓存到 EFS)
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### 3.2 验证安装
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@ -119,11 +124,13 @@ VLM 输出支持两种解析策略:
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1. **JSON 提取**:优先匹配 `{"objects": [...], "scene_description": "..."}`
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2. **原生 grounding 兜底**:解析 `<|box_start|>(x1,y1),(x2,y2)<|box_end|>`
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### 模型缓存
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### 模型缓存与离线加载
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- 首次下载约 6-8GB,缓存到 `/workspace/.cache/huggingface`(EFS 持久化)
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- 容器重启后无需重新下载
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- 可在镜像构建时预置到 `/opt/vendor/vlm_models/` 以加速启动
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- **国内模式**:模型通过魔搭 ModelScope 下载到 `/workspace/.cache/modelscope/hub/...`,同时记录本地路径到 `/workspace/.vlm_model_path`
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- **境外模式**:模型通过 HuggingFace 官方源下载到 `/workspace/.cache/huggingface/hub/...`,同样记录本地路径
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- `run_all.sh` 启动时会自动 `source /workspace/.vlm_model_path`,detector.py 直接使用本地路径加载,**无需运行时联网**
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- 容器重启后无需重新下载(EFS 持久化)
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- 可在镜像构建时预置到 `/opt/vendor/vlm_models/` 以进一步加速启动
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---
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@ -309,12 +309,16 @@ if [[ "$WITH_VISION" == true ]]; then
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# VLM 运行时配置(VISION_BACKEND=yolo|vlm|hybrid)
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export VISION_BACKEND="${VISION_BACKEND:-yolo}"
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export VLM_INTERVAL="${VLM_INTERVAL:-5.0}"
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export VLM_MODEL="${VLM_MODEL:-Qwen/Qwen2.5-VL-3B-Instruct}"
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export VLM_MAX_NEW_TOKENS="${VLM_MAX_NEW_TOKENS:-256}"
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export VLM_PROMPT="${VLM_PROMPT:-}"
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export VLM_MIN_PIXELS="${VLM_MIN_PIXELS:-200704}"
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export VLM_MAX_PIXELS="${VLM_MAX_PIXELS:-501760}"
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export HF_HOME="${HF_HOME:-/workspace/.cache/huggingface}"
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# 如果 install_vlm.sh 记录了本地模型路径,优先使用(避免运行时联网下载)
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if [[ -f /workspace/.vlm_model_path ]]; then
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source /workspace/.vlm_model_path
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fi
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export VLM_MODEL="${VLM_MODEL:-Qwen/Qwen2.5-VL-3B-Instruct}"
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start_bg "D_vision_yolo" ros2 run vision_yolo detector
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last_index=$(( ${#PIDS[@]} - 1 ))
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VISION_PID="${PIDS[$last_index]}"
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@ -1,29 +1,70 @@
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#!/bin/bash
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set -euo pipefail
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# =============================================================================
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# VLM (Qwen2.5-VL-3B) 依赖安装脚本
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# VLM (Qwen2.5-VL-3B) 依赖安装脚本 — 国内镜像优化版
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# =============================================================================
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# 运行环境:ECS GPU 容器(/workspace 挂载在 EFS 上持久化)
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# 前置条件:NVIDIA GPU 可用,CUDA 驱动已安装
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#
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# 国内镜像策略:
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# - pip 包:阿里云镜像
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# - HuggingFace 模型:hf-mirror.com(默认)或魔搭 ModelScope
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# - PyTorch:优先阿里云,若缺失则回退官方源
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#
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# 如需使用官方源(境外环境):
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# USE_CHINA_MIRROR=false bash scripts/install_vlm.sh
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# =============================================================================
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ROOT="/workspace"
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SITE_PACKAGES="${ROOT}/.site-packages"
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VLM_MODEL_CACHE="${ROOT}/.cache/huggingface"
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# 国内镜像开关(默认启用)
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USE_CHINA_MIRROR="${USE_CHINA_MIRROR:-true}"
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# pip 镜像
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PIP_MIRROR_ALIYUN="https://mirrors.aliyun.com/pypi/simple/"
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PIP_MIRROR_TSINGHUA="https://pypi.tuna.tsinghua.edu.cn/simple"
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PIP_MIRROR_OFFICIAL="https://pypi.org/simple"
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# HuggingFace 镜像
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HF_MIRROR="https://hf-mirror.com"
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# 魔搭 ModelScope(阿里云出品,国内速度极快)
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MODELSCOPE_CACHE="${ROOT}/.cache/modelscope"
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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BLUE='\033[0;34m'
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NC='\033[0m'
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log_info() { echo -e "${GREEN}[INFO]${NC} $*"; }
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log_warn() { echo -e "${YELLOW}[WARN]${NC} $*"; }
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log_error() { echo -e "${RED}[ERROR]${NC} $*"; }
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log_step() { echo -e "${BLUE}[STEP]${NC} $*"; }
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# -----------------------------------------------------------------------------
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# 配置镜像
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# -----------------------------------------------------------------------------
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if [[ "$USE_CHINA_MIRROR" == "true" ]]; then
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log_info "国内镜像模式已启用(USE_CHINA_MIRROR=true)"
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PIP_INDEX="--index-url $PIP_MIRROR_ALIYUN"
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HF_ENDPOINT="$HF_MIRROR"
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export HF_ENDPOINT
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export PIP_INDEX_URL="$PIP_MIRROR_ALIYUN"
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# 让 huggingface_hub 使用国内 endpoint
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export HF_HUB_ENABLE_HF_TRANSFER=0
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else
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log_info "官方源模式(USE_CHINA_MIRROR=false)"
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PIP_INDEX=""
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HF_ENDPOINT="https://huggingface.co"
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fi
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# -----------------------------------------------------------------------------
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# 0. 环境检查
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# -----------------------------------------------------------------------------
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log_info "检查 GPU / CUDA 环境..."
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log_step "0. 检查 GPU / CUDA 环境..."
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if ! command -v nvidia-smi &>/dev/null; then
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log_error "nvidia-smi 未找到。请确认当前为 GPU 实例且 NVIDIA 驱动已安装。"
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@ -44,29 +85,52 @@ fi
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# 1. 安装 PyTorch CUDA (如需要)
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# -----------------------------------------------------------------------------
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if [[ "$NEED_PYTORCH_CUDA" == "1" ]]; then
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log_info "安装 PyTorch 2.1.2 + CUDA 12.1 ..."
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log_step "1. 安装 PyTorch 2.1.2 + CUDA 12.1 ..."
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if [[ "$USE_CHINA_MIRROR" == "true" ]]; then
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# 国内环境:先尝试阿里云 pip 镜像安装 PyTorch
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# 注意:阿里云上 PyTorch CUDA wheel 可能滞后,若失败则回退官方源
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log_info "尝试从阿里云镜像安装 PyTorch..."
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pip install --target="$SITE_PACKAGES" --upgrade \
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torch==2.1.2 torchvision==0.16.2 torchaudio==2.1.2 \
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--index-url "$PIP_MIRROR_ALIYUN" \
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--no-cache-dir || {
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log_warn "阿里云镜像安装 PyTorch 失败,回退到官方源..."
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pip install --target="$SITE_PACKAGES" --upgrade \
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torch==2.1.2 torchvision==0.16.2 torchaudio==2.1.2 \
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--index-url https://download.pytorch.org/whl/cu121 \
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--no-cache-dir
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}
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else
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pip install --target="$SITE_PACKAGES" --upgrade \
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torch==2.1.2 torchvision==0.16.2 torchaudio==2.1.2 \
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--index-url https://download.pytorch.org/whl/cu121 \
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--no-cache-dir
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fi
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fi
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# -----------------------------------------------------------------------------
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# 2. 安装 transformers / accelerate / qwen_vl_utils
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# 2. 安装 transformers / accelerate / qwen_vl_utils 等
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# -----------------------------------------------------------------------------
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log_info "安装 transformers + accelerate + qwen_vl_utils ..."
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log_step "2. 安装 Python 依赖包..."
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pip install --target="$SITE_PACKAGES" --upgrade \
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# 先升级 pip 本身(国内镜像)
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pip install $PIP_INDEX --upgrade pip setuptools wheel --no-cache-dir || true
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pip install --target="$SITE_PACKAGES" $PIP_INDEX --upgrade \
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"transformers>=4.40.0" \
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"accelerate>=0.30.0" \
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"qwen-vl-utils>=0.0.8" \
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"pillow>=10.0.0" \
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"safetensors>=0.4.0" \
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"huggingface-hub>=0.23.0" \
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--no-cache-dir
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# -----------------------------------------------------------------------------
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# 3. 可选:安装 Flash Attention 2 (Ampere+ GPU)
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# -----------------------------------------------------------------------------
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log_step "3. 检查 GPU 架构..."
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GPU_ARCH=$(python3 -c "
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import sys, os
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sys.path.insert(0, '$SITE_PACKAGES')
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@ -77,16 +141,16 @@ print(f'{major}{minor}')
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if [[ "$GPU_ARCH" == "8"* ]] || [[ "$GPU_ARCH" == "9"* ]]; then
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log_info "检测到 Ampere/Hopper 架构 (sm_$GPU_ARCH),尝试安装 Flash Attention 2..."
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pip install --target="$SITE_PACKAGES" --no-build-isolation \
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pip install --target="$SITE_PACKAGES" $PIP_INDEX --no-build-isolation \
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"flash-attn>=2.5.0" --no-cache-dir || log_warn "Flash Attention 安装失败,将使用 eager attention"
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else
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log_warn "GPU 架构 sm_$GPU_ARCH 不支持 Flash Attention 2,跳过安装"
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fi
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# -----------------------------------------------------------------------------
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# 4. 验证安装
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# 4. 验证 Python 包
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# -----------------------------------------------------------------------------
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log_info "验证 Python 包..."
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log_step "4. 验证 Python 包..."
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python3 -c "
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import sys
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@ -114,53 +178,124 @@ print('qwen_vl_utils OK')
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"
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# -----------------------------------------------------------------------------
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# 5. 预下载模型(可选,推荐)
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# 5. 预下载模型(国内镜像优先)
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# -----------------------------------------------------------------------------
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VLM_MODEL="${VLM_MODEL:-Qwen/Qwen2.5-VL-3B-Instruct}"
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log_info "预下载 VLM 模型: $VLM_MODEL ..."
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log_info "模型将缓存到: $VLM_MODEL_CACHE"
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log_step "5. 预下载 VLM 模型: $VLM_MODEL ..."
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mkdir -p "$VLM_MODEL_CACHE"
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python3 -c "
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if [[ "$USE_CHINA_MIRROR" == "true" ]]; then
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log_info "尝试通过魔搭 ModelScope 下载模型(国内 fastest)..."
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# 先安装 modelscope
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pip install --target="$SITE_PACKAGES" $PIP_INDEX --upgrade \
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"modelscope>=1.15.0" --no-cache-dir
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python3 -c "
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import sys
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sys.path.insert(0, '$SITE_PACKAGES')
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from modelscope import snapshot_download
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# Qwen 模型在魔搭的命名空间:qwen/Qwen2.5-VL-3B-Instruct
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model_id = '$VLM_MODEL'
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# 如果是 HuggingFace 格式的 model_id,转换为魔搭格式
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if model_id.startswith('Qwen/'):
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modelscope_id = model_id.replace('Qwen/', 'qwen/')
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else:
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modelscope_id = model_id
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print(f'使用魔搭下载: {modelscope_id}')
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model_dir = snapshot_download(
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modelscope_id,
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cache_dir='$MODELSCOPE_CACHE',
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)
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print(f'模型已下载到: {model_dir}')
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# 记录本地模型路径,供 run_all.sh / detector.py 直接使用
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path_file = '/workspace/.vlm_model_path'
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with open(path_file, 'w') as f:
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f.write(f'export VLM_MODEL={model_dir}\\n')
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print(f'本地模型路径已记录到: {path_file}')
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# 验证可以加载
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from transformers import Qwen2_5_VLForConditionalGeneration, AutoProcessor
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print('验证模型加载...')
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model = Qwen2_5_VLForConditionalGeneration.from_pretrained(
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model_dir,
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torch_dtype='auto',
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device_map='auto',
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trust_remote_code=True,
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)
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processor = AutoProcessor.from_pretrained(
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model_dir,
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trust_remote_code=True,
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)
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print('模型加载验证成功!')
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"
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else
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log_info "使用 HuggingFace 官方源下载模型..."
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export HF_HOME="$VLM_MODEL_CACHE"
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python3 -c "
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import sys
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import os
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sys.path.insert(0, '$SITE_PACKAGES')
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os.environ['HF_HOME'] = '$VLM_MODEL_CACHE'
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from transformers import Qwen2_5_VLForConditionalGeneration, AutoProcessor
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from huggingface_hub import snapshot_download
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print(f'正在下载模型: $VLM_MODEL ...')
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# 先下载到本地缓存
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model_dir = snapshot_download(
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repo_id='$VLM_MODEL',
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cache_dir='$VLM_MODEL_CACHE/hub',
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)
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print(f'模型已下载到: {model_dir}')
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# 记录本地模型路径
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path_file = '/workspace/.vlm_model_path'
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with open(path_file, 'w') as f:
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f.write(f'export VLM_MODEL={model_dir}\\n')
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print(f'本地模型路径已记录到: {path_file}')
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# 验证加载
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model = Qwen2_5_VLForConditionalGeneration.from_pretrained(
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'$VLM_MODEL',
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model_dir,
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torch_dtype='auto',
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device_map='auto',
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trust_remote_code=True,
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)
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processor = AutoProcessor.from_pretrained(
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'$VLM_MODEL',
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model_dir,
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trust_remote_code=True,
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)
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print('模型下载完成!')
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print('模型加载验证成功!')
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"
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fi
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# -----------------------------------------------------------------------------
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# 6. 完成
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# -----------------------------------------------------------------------------
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log_info "安装完成!"
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log_step "6. 安装完成!"
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log_info ""
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log_info "============================================"
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log_info " VLM 安装摘要"
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log_info "============================================"
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log_info "模型: $VLM_MODEL"
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log_info "缓存路径: $VLM_MODEL_CACHE"
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log_info "HF 缓存: $VLM_MODEL_CACHE"
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log_info "魔搭缓存: $MODELSCOPE_CACHE"
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log_info "Python 包路径: $SITE_PACKAGES"
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log_info "国内镜像: $USE_CHINA_MIRROR"
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log_info ""
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log_info "使用方法:"
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log_info " export VISION_BACKEND=vlm"
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log_info " export VLM_INTERVAL=5.0"
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log_info " ros2 run vision_yolo detector"
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log_info ""
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log_info "如需使用 AWQ 量化版(显存 3-4GB):"
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log_info "AWQ 量化版(显存 3-4GB):"
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log_info " export VLM_MODEL=Qwen/Qwen2.5-VL-3B-Instruct-AWQ"
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log_info "============================================"
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