Features: - Auto-detect GPU model (H100, A100, RTX 4090/3090) - Auto-detect CUDA version and Python environment - Compile llama-cpp-python with optimized CUDA support - Fix dependency conflicts automatically - Verify installation with test script - Comprehensive documentation Performance: - H100: 30-60x speedup - A100: 25-50x speedup - RTX 4090: 20-40x speedup - RTX 3090: 20-35x speedup Files: - setup_llama_cpp_cuda.sh: Main installation script - docs/VASTAI_GPU_SETUP_GUIDE.md: Complete guide - docs/QUICK_REFERENCE.md: Quick reference card Usage: chmod +x setup_llama_cpp_cuda.sh ./setup_llama_cpp_cuda.sh
351 lines
9.9 KiB
Bash
Executable File
351 lines
9.9 KiB
Bash
Executable File
#!/bin/bash
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################################################################################
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# llama-cpp-python CUDA 安装脚本
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# 适用于 Vast.ai 和其他 GPU 主机
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# 支持自动检测 CUDA 版本和 GPU 型号
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################################################################################
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set -e # 遇到错误立即退出
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# 颜色定义
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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' # No Color
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# 打印函数
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print_header() {
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echo -e "${BLUE}========================================${NC}"
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echo -e "${BLUE}$1${NC}"
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echo -e "${BLUE}========================================${NC}"
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}
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print_success() {
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echo -e "${GREEN}✅ $1${NC}"
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}
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print_warning() {
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echo -e "${YELLOW}⚠️ $1${NC}"
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}
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print_error() {
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echo -e "${RED}❌ $1${NC}"
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}
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print_info() {
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echo -e "${BLUE}ℹ️ $1${NC}"
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}
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################################################################################
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# 1. 检测环境
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################################################################################
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print_header "检测系统环境"
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# 检测 Python 版本
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if command -v python3 &> /dev/null; then
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PYTHON_VERSION=$(python3 --version | awk '{print $2}')
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print_success "Python 版本: $PYTHON_VERSION"
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else
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print_error "Python3 未安装"
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exit 1
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fi
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# 检测虚拟环境
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if [ -n "$VIRTUAL_ENV" ]; then
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print_success "虚拟环境: $VIRTUAL_ENV"
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PYTHON_CMD="python3"
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PIP_CMD="pip"
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elif [ -d "/venv/main" ]; then
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print_info "检测到 /venv/main,将激活虚拟环境"
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source /venv/main/bin/activate
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PYTHON_CMD="python3"
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PIP_CMD="pip"
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else
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print_warning "未检测到虚拟环境,使用系统 Python"
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PYTHON_CMD="python3"
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PIP_CMD="pip3"
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fi
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# 检测 CUDA
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if command -v nvidia-smi &> /dev/null; then
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print_success "NVIDIA 驱动已安装"
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# 获取 CUDA 版本
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CUDA_VERSION=$(nvidia-smi | grep "CUDA Version" | awk '{print $9}')
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print_info "CUDA 版本: $CUDA_VERSION"
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# 获取 GPU 型号
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GPU_NAME=$(nvidia-smi --query-gpu=name --format=csv,noheader | head -1)
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print_info "GPU: $GPU_NAME"
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# 检测计算能力
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if [[ "$GPU_NAME" == *"H100"* ]]; then
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COMPUTE_CAP="90"
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print_info "检测到 H100,计算能力: 9.0"
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elif [[ "$GPU_NAME" == *"A100"* ]]; then
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COMPUTE_CAP="80"
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print_info "检测到 A100,计算能力: 8.0"
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elif [[ "$GPU_NAME" == *"RTX 4090"* ]] || [[ "$GPU_NAME" == *"RTX 4080"* ]]; then
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COMPUTE_CAP="89"
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print_info "检测到 RTX 40 系列,计算能力: 8.9"
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elif [[ "$GPU_NAME" == *"RTX 3090"* ]] || [[ "$GPU_NAME" == *"RTX 3080"* ]]; then
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COMPUTE_CAP="86"
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print_info "检测到 RTX 30 系列,计算能力: 8.6"
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else
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COMPUTE_CAP="80"
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print_warning "未识别的 GPU,使用默认计算能力: 8.0"
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fi
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else
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print_error "未检测到 NVIDIA GPU"
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exit 1
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fi
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# 检测 CUDA 路径
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if [ -d "/usr/local/cuda" ]; then
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CUDA_HOME="/usr/local/cuda"
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print_success "CUDA 路径: $CUDA_HOME"
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elif [ -d "/usr/local/cuda-12.6" ]; then
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CUDA_HOME="/usr/local/cuda-12.6"
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print_success "CUDA 路径: $CUDA_HOME"
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elif [ -d "/usr/local/cuda-12" ]; then
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CUDA_HOME="/usr/local/cuda-12"
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print_success "CUDA 路径: $CUDA_HOME"
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else
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print_error "未找到 CUDA 安装路径"
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exit 1
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fi
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################################################################################
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# 2. 检查现有安装
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################################################################################
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print_header "检查现有 llama-cpp-python 安装"
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if $PYTHON_CMD -c "import llama_cpp" 2>/dev/null; then
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CURRENT_VERSION=$($PYTHON_CMD -c "import llama_cpp; print(llama_cpp.__version__ if hasattr(llama_cpp, '__version__') else '0.3.x')" 2>/dev/null || echo "未知")
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print_info "当前版本: $CURRENT_VERSION"
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# 检查是否有 CUDA 支持
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HAS_CUDA=$($PYTHON_CMD << 'EOF'
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import llama_cpp
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import os
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lib_path = os.path.join(os.path.dirname(llama_cpp.__file__), 'lib')
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if os.path.exists(lib_path):
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for f in os.listdir(lib_path):
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if 'cuda' in f.lower() and f.endswith('.so'):
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print("yes")
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exit(0)
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print("no")
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EOF
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)
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if [ "$HAS_CUDA" = "yes" ]; then
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print_success "已有 CUDA 支持"
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read -p "是否重新安装? (y/N): " -n 1 -r
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echo
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if [[ ! $REPLY =~ ^[Yy]$ ]]; then
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print_info "保持现有安装"
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exit 0
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fi
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else
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print_warning "当前版本无 CUDA 支持,需要重新安装"
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fi
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else
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print_info "llama-cpp-python 未安装"
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fi
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################################################################################
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# 3. 卸载现有版本
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################################################################################
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print_header "卸载现有版本"
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$PIP_CMD uninstall -y llama-cpp-python 2>/dev/null || true
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print_success "卸载完成"
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################################################################################
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# 4. 安装 CUDA 版本
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################################################################################
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print_header "安装 llama-cpp-python (CUDA 支持)"
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# 设置环境变量
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export CUDA_HOME=$CUDA_HOME
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export PATH=$CUDA_HOME/bin:$PATH
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export LD_LIBRARY_PATH=$CUDA_HOME/lib64:$LD_LIBRARY_PATH
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print_info "编译参数:"
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print_info " CUDA_HOME: $CUDA_HOME"
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print_info " 计算能力: $COMPUTE_CAP"
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# 从源码编译安装
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print_info "开始编译(这可能需要 5-10 分钟)..."
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CMAKE_ARGS="-DGGML_CUDA=on -DCMAKE_CUDA_ARCHITECTURES=$COMPUTE_CAP" \
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$PIP_CMD install llama-cpp-python --no-cache-dir --verbose 2>&1 | tee /tmp/llama_cpp_install.log
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if [ ${PIPESTATUS[0]} -eq 0 ]; then
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print_success "安装成功"
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else
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print_error "安装失败,查看日志: /tmp/llama_cpp_install.log"
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exit 1
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fi
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################################################################################
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# 5. 验证安装
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################################################################################
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print_header "验证 CUDA 支持"
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VERIFICATION=$($PYTHON_CMD << 'EOF'
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import llama_cpp
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import os
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lib_path = os.path.join(os.path.dirname(llama_cpp.__file__), 'lib')
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cuda_found = False
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cuda_size = 0
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if os.path.exists(lib_path):
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for f in os.listdir(lib_path):
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if 'cuda' in f.lower() and f.endswith('.so'):
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cuda_found = True
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cuda_size = os.path.getsize(os.path.join(lib_path, f)) / (1024*1024)
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print(f"CUDA库: {f}")
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print(f"大小: {cuda_size:.1f} MB")
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if cuda_found:
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print("状态: 成功")
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else:
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print("状态: 失败")
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EOF
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)
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echo "$VERIFICATION"
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if echo "$VERIFICATION" | grep -q "状态: 成功"; then
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print_success "CUDA 支持已启用"
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else
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print_error "CUDA 支持未启用"
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exit 1
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fi
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################################################################################
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# 6. 修复 numpy 版本
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################################################################################
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print_header "修复依赖版本"
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print_info "安装兼容的 numpy 版本..."
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$PIP_CMD install 'numpy<2.0,>=1.20' --force-reinstall -q
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print_success "依赖修复完成"
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################################################################################
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# 7. 创建测试脚本
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################################################################################
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print_header "创建测试脚本"
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cat > /tmp/test_llama_cpp_cuda.py << 'EOF'
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#!/usr/bin/env python3
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"""
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测试 llama-cpp-python CUDA 支持
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"""
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import sys
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import os
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print("=" * 60)
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print("llama-cpp-python CUDA 测试")
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print("=" * 60)
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# 1. 导入检查
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try:
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from llama_cpp import Llama
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print("\n✅ llama-cpp-python 已安装")
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except ImportError as e:
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print(f"\n❌ 导入失败: {e}")
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sys.exit(1)
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# 2. 检查 CUDA 库
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import llama_cpp
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lib_path = os.path.join(os.path.dirname(llama_cpp.__file__), 'lib')
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print(f"\n库路径: {lib_path}")
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if os.path.exists(lib_path):
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cuda_libs = [f for f in os.listdir(lib_path) if 'cuda' in f.lower() and f.endswith('.so')]
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if cuda_libs:
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print("\n✅ CUDA 库:")
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for lib in cuda_libs:
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size = os.path.getsize(os.path.join(lib_path, lib)) / (1024*1024)
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print(f" - {lib} ({size:.1f} MB)")
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else:
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print("\n❌ 未找到 CUDA 库")
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sys.exit(1)
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else:
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print("\n❌ lib 目录不存在")
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sys.exit(1)
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# 3. 检查 PyTorch CUDA(可选)
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try:
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import torch
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print(f"\n✅ PyTorch CUDA: {torch.cuda.is_available()}")
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if torch.cuda.is_available():
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print(f" CUDA 版本: {torch.version.cuda}")
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print(f" GPU: {torch.cuda.get_device_name(0)}")
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except ImportError:
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print("\n⚠️ PyTorch 未安装(可选)")
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print("\n" + "=" * 60)
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print("测试完成!")
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print("=" * 60)
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print("\n下一步:")
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print("1. 在 ComfyUI 中选择 device: GPU")
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print("2. 运行 nvidia-smi 监控 GPU 使用")
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print("3. 享受 GPU 加速!")
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print("=" * 60)
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EOF
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chmod +x /tmp/test_llama_cpp_cuda.py
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print_success "测试脚本已创建: /tmp/test_llama_cpp_cuda.py"
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################################################################################
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# 8. 运行测试
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################################################################################
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print_header "运行测试"
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$PYTHON_CMD /tmp/test_llama_cpp_cuda.py
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################################################################################
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# 9. 完成
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################################################################################
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print_header "安装完成"
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print_success "llama-cpp-python CUDA 支持已安装"
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print_info "环境信息:"
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print_info " Python: $PYTHON_VERSION"
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print_info " CUDA: $CUDA_VERSION"
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print_info " GPU: $GPU_NAME"
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print_info " 计算能力: $COMPUTE_CAP"
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echo ""
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print_info "使用方法:"
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echo " 1. 在 ComfyUI Text Model Loader 中选择 device: GPU"
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echo " 2. 运行 'watch -n 1 nvidia-smi' 监控 GPU"
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echo " 3. 预期性能提升: 20-60倍"
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echo ""
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print_info "测试脚本: /tmp/test_llama_cpp_cuda.py"
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print_info "安装日志: /tmp/llama_cpp_install.log"
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echo ""
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print_success "🎉 所有设置完成!"
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