Feat/add mooncake transfer engine

_posts/ai/2026-04-13-mooncake_store_mechanism.md

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+---
+title: "Mooncake Store"
+subtitle: "存储机制剖析"
+layout: chirpy-post
+author: "Peter Lau"
+published: true
+header-style: text
+categories:
+  - AI
+tags:
+  - AI
+  - Engineering
+---
+
+## Mooncake Store
+
+**本次分析基于Mooncake版本v0.3.9**
+
+### 整体架构设计
+
+<div>
+  <img class="shadow" src="/img/mooncake/mooncake-store-preview.png" width="600" height="240" alt="Mooncake Store Architecture">
+</div>
+
+
+## P2P Store
+
+p2p store主要用于大模型checkpoint分发，基于Transfer Engine构建。
+
+试想如果所有GPU卡都从固定的源头同时加载权重切片，那么源头处的带宽会瞬间饱和，无法进一步提升传输性能。
+
+这个方案的独特之处是每个GPU卡在加载完权重切片后，会将其传输到也需要这份切片的GPU卡上，这样源头处的带宽压力就会降低，数据传输效率得到提升。

_posts/ai/2026-04-13-mooncake_transfer_engine_mechanism.md

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+---
+title: "Mooncake Transfer Engine"
+subtitle: "传输机制剖析"
+layout: chirpy-post
+author: "Peter Lau"
+published: true
+header-style: text
+categories:
+  - AI
+tags:
+  - AI
+  - Engineering
+---
+
+## Mooncake transfer engine
+
+**本次分析基于Mooncake版本v0.3.9**
+
+### Transfer engine
+
+<div>
+  <img class="shadow" src="/img/mooncake/transfer_engine_arch.png" width="600" height="240" alt="Transfer engine Architecture">
+</div>
+
+上图中，**vRAM**代表GPU显存，**DRAM**代表CPU主存，**NVMe**（配合NvMEof协议）属于外接硬盘。
+
+
+### 相关问题
+
+1. Prefill transfer failed for request rank xxx