FFFF GitHub - Dominic789654/WeLM-blog: Technical blog series dissecting WeChat's WeLM sparse MoE language models, covering routing, KV-Mirror inference, and post-training. · GitHub
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Technical blog series dissecting WeChat's WeLM sparse MoE language models, covering routing, KV-Mirror inference, and post-training.

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WeLM Blog

微信 WeLM 模型的技术解析博客系列。

博客列表

关于 WeLM

WeLM 是微信 AI 团队开发的稀疏 MoE(混合专家)大语言模型,在计算资源受限(不足 14T tokens)的条件下,成功训练出性能极具竞争力的 80B 及 130B 模型。

核心亮点

  • Loss-free Balance Routing:无损均衡路由
  • KV-Mirror:KV 镜像,降低推理成本
  • Over-encoding:2-head 超编码
  • Depth Up-Scaling:深度扩展技术
  • 极致的系统优化:通信掩盖、算子融合、激活显存优化

评测表现

评测基准 WeLM 80B-A3B WeLM 130B-A4.9B
MMLU 85.65 86.91
BBH 85.47 88.05
MATH 60.04 58.78
GSM8K 87.72 90.90

仓库链接

https://github.com/Dominic789654/WeLM-blog

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Technical blog series dissecting WeChat's WeLM sparse MoE language models, covering routing, KV-Mirror inference, and post-training.

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