clm_b4a642b65ef54268b4e34c6ba8bf13fe_r1

2025-12-04_aws-trainium3-deep-dive-a-potential::TRN3-0023

① SA Source

• Source: 開啟完整 SA 文章
• Section: Compute Tray
• Line hint: 295

Context Before

Source: SemiAnalysis

Compute Tray

Evidence

There are six PCIe 6.0 x16 retimers used to increase signal reach connecting between individual Trainium3 chips and the front I/O ports.

Context After

② Atomic Claim

Trainium3 NL72x2 compute tray 使用 6 個 PCIe 6.0 x16 retimers 延長 Trainium3 至 front I/O 的 signal reach。

• Epistemic Mode: ASSERTED
• Mapping Status: COMPLETE

③ Semantic Frame

{
  "attribute": "pcie_retimer_count",
  "context_nodes": [
    {
      "id": "04_knowledge_base/PCIe",
      "label": "PCIe"
    },
    {
      "id": "04_knowledge_base/Trainium",
      "label": "Trainium3"
    }
  ],
  "entity": {
    "id": "04_knowledge_base/Compute Tray",
    "label": "Compute Tray"
  },
  "frame_type": "ATTRIBUTE",
  "qualifiers": {
    "condition_text": "NL72x2",
    "numeric_mentions": [
      "6"
    ],
    "temporal_mentions": []
  },
  "value": {
    "numeric_mentions": [
      "6"
    ],
    "value_text": "6 PCIe 6.0 x16 retimers"
  }
}

④ Canonical Entity Mapping

Role	Surface Label	Canonical Target
entity	Compute Tray	04_knowledge_base/Compute Tray
context_0	PCIe	PCIe
context_1	Trainium3	Trainium

⑤ Human Review

請在 Properties 逐項確認：

• 原文 → Atomic Claim 是否忠實
• Atomic Claim → Semantic Frame 是否忠實
• Canonical Entity mapping 是否正確
• Epistemic mode 是否保留原文語氣
• 最後選擇 review_action

Review state

Markdown 內文不是正式 approval。只有 Apply bridge 寫入的 Decision Ledger event 才是正式決策。