添加模型文件分片 (Epoch 7, 3 parts + merge script)

merge_model.sh

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+#!/bin/bash
+# 合并分片模型文件
+# 用法: bash merge_model.sh
+
+PARTS="llm_model_epoch7_part_aa llm_model_epoch7_part_ab llm_model_epoch7_part_ac llm_model_epoch7_part_ad"
+OUTPUT="llm_model_v2_resume_epoch_7.pth"
+
+echo "合并模型分片 → $OUTPUT ..."
+cat $PARTS > $OUTPUT
+echo "✅ 合并完成: $(ls -lh $OUTPUT | awk '{print $5}')"
+echo ""
+echo "使用方法:"
+echo "  python3 -c \"import json, torch;"
+echo "    from llm_chat_improved import LLMModel, LLMChat, tokenizer_instance;"
+echo '    vocab = json.load(open("vocab_v2.json"));'
+echo '    ckpt = torch.load("llm_model_v2_resume_epoch_7.pth", map_location="cpu");'
+echo '    chat = LLMChat(LLMModel(...), vocab, device="cpu");'
+echo '    print(chat.generate_response("小狸你好呀"));'
+echo '  "'