Gemma 4 Technical Report Released

_philschmid · x · 2026-07-13

Google 发布了 Gemma 4 Technical Report，作者在帖中强调这批模型已经跑了一段时间，报告里详细解释了它们的实现思路。

重点包括：

• 通过 local-to-global attention 5:1 和 pp-RoPE 降低 KV cache 占用
• 使用 speculative decoding 提升推理效率
• 采用 Multi-Token Prediction drafters 支持更高效的生成

这是一篇偏工程实现的技术报告，信息重点在于 Gemma 4 家族如何兼顾记忆占用与推理性能。

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