https://nx.wmlab.top/tags/pytorch/Recent content in PyTorch on 南巷Hugo -- gohugo.iozh-CNliuwenhao1968@163.com (南巷)liuwenhao1968@163.com (南巷)© 2026 南巷Sun, 14 Jun 2026 17:52:46 +0800https://nx.wmlab.top/blog/llama2-pretraining-process/Sun, 14 Jun 2026 17:52:46 +0800liuwenhao1968@163.com (南巷)https://nx.wmlab.top/blog/llama2-pretraining-process/从数据集构建、样本切分、词表处理、模型输入到训练循环，梳理 LLaMA 2 预训练的核心流程。https://nx.wmlab.top/blog/llama2-hands-on-implementation/Sun, 14 Jun 2026 17:52:34 +0800liuwenhao1968@163.com (南巷)https://nx.wmlab.top/blog/llama2-hands-on-implementation/围绕 LLaMA 2 的数据集、Tokenizer、模型结构与训练代码，记录从原理拆解到工程实现的完整实践过程。