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llama-cpp-quantize.sh
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#!/bin/bash
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# ============================================================
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# llama.cpp GGUF 批量量化脚本
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# 用途:将F16 GGUF模型量化为Ollama主流格式
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# ============================================================
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# 配置区
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# 配置区
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LLAMA_CPP_DIR="/inspire/hdd/global_user/shixiaoxin-253107030017/sxx/llama.cpp"
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QUANTIZE_BIN="${LLAMA_CPP_DIR}/build/bin/llama-quantize"
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INPUT_DIR="./gguf_models"
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OUTPUT_DIR="./gguf_quantized"
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export LD_LIBRARY_PATH="${LLAMA_CPP_DIR}/build/bin:${LD_LIBRARY_PATH}"
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# Ollama主流量化格式(按推荐程度排序)
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# Q4_K_M: 最流行,平衡质量与大小(推荐)
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# Q5_K_M: 质量更好,文件稍大
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# Q8_0: 高质量,文件较大
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# Q4_0: 基础4bit,兼容性好
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# Q3_K_M: 更小文件,质量损失较大
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QUANT_TYPES=("Q4_K_M" "Q5_K_M" "Q8_0")
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# ============================================================
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# 检查环境
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# ============================================================
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echo "🔧 检查环境..."
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# 检查量化工具是否存在
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if [ ! -f "$QUANTIZE_BIN" ]; then
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echo "❌ 错误:找不到量化工具 $QUANTIZE_BIN"
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echo "请先编译llama.cpp:"
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echo " cd $LLAMA_CPP_DIR"
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echo " mkdir -p build && cd build"
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echo " cmake .. -DGGML_CUDA=ON"
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echo " make -j$(nproc)"
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exit 1
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fi
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# 检查输入目录
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if [ ! -d "$INPUT_DIR" ]; then
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echo "❌ 错误:输入目录不存在 $INPUT_DIR"
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echo "请先运行convert_hf_to_gguf.py转换模型"
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exit 1
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fi
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# 创建输出目录
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mkdir -p "$OUTPUT_DIR"
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echo "✅ 环境检查通过"
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echo ""
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# ============================================================
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# 获取待量化模型列表
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# ============================================================
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echo "📂 扫描待量化模型..."
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MODELS=($(find "$INPUT_DIR" -maxdepth 1 -name "*.gguf" -type f))
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if [ ${#MODELS[@]} -eq 0 ]; then
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echo "❌ 未找到任何.gguf文件在 $INPUT_DIR"
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exit 1
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fi
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echo "✅ 找到 ${#MODELS[@]} 个模型待量化"
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for m in "${MODELS[@]}"; do
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echo " - $(basename "$m")"
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done
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echo ""
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# ============================================================
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# 批量量化
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# ============================================================
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echo "🚀 开始批量量化..."
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echo "量化格式: ${QUANT_TYPES[*]}"
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echo ""
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TOTAL=$((${#MODELS[@]} * ${#QUANT_TYPES[@]}))
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CURRENT=0
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SUCCESS=0
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FAILED=0
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for MODEL_PATH in "${MODELS[@]}"; do
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MODEL_NAME=$(basename "$MODEL_PATH" .gguf)
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for QTYPE in "${QUANT_TYPES[@]}"; do
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CURRENT=$((CURRENT + 1))
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OUTPUT_FILE="${OUTPUT_DIR}/${MODEL_NAME}-${QTYPE}.gguf"
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echo "=============================================="
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echo "[$CURRENT/$TOTAL] 量化: ${MODEL_NAME} -> ${QTYPE}"
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echo "输入: $MODEL_PATH"
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echo "输出: $OUTPUT_FILE"
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echo "=============================================="
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# 跳过已存在的文件
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if [ -f "$OUTPUT_FILE" ]; then
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echo "⏭️ 文件已存在,跳过"
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SUCCESS=$((SUCCESS + 1))
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continue
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fi
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# 执行量化
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"$QUANTIZE_BIN" "$MODEL_PATH" "$OUTPUT_FILE" "$QTYPE"
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if [ $? -eq 0 ]; then
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# 显示文件大小
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SIZE=$(du -h "$OUTPUT_FILE" | cut -f1)
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echo "✅ 成功!文件大小: $SIZE"
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SUCCESS=$((SUCCESS + 1))
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else
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echo "❌ 量化失败"
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FAILED=$((FAILED + 1))
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fi
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echo ""
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done
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done
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# ============================================================
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# 汇总报告
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# ============================================================
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echo ""
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echo "=============================================="
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echo "📊 批量量化完成"
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echo "=============================================="
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echo "✅ 成功: $SUCCESS"
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echo "❌ 失败: $FAILED"
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echo ""
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echo "输出目录: $OUTPUT_DIR"
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echo ""
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# 列出所有生成的文件
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echo "生成的模型文件:"
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ls -lh "$OUTPUT_DIR"/*.gguf 2>/dev/null | awk '{print " " $9 " (" $5 ")"}'
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echo ""
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echo "=============================================="
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echo "📦 Ollama发布指南"
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echo "=============================================="
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echo "1. 创建Modelfile:"
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echo ' FROM ./your_model-Q4_K_M.gguf'
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echo ' TEMPLATE """{{ .Prompt }}"""'
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echo ' PARAMETER temperature 0.7'
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echo ""
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echo "2. 创建本地模型:"
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echo " ollama create your-model-name -f Modelfile"
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echo ""
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echo "3. 推送到Ollama Hub:"
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echo " ollama push username/model-name"
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echo "=============================================="
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