clm_c8fcaffcc34d4758b1a9ead3f70c3d6f_r2

VR2R-0138

回到這篇 SA Coverage

① SA Source

• Source: 開啟完整 SA 文章
• Section: BlueField-4
• Line hint: 173

Context Before

Source: Nvidia VR NVL72 Component BoM and Power Budget Model ↗

Evidence

BlueField-4’s design departs significantly from BlueField-3. Instead of doing a bespoke tapeout with compute and networking, NVIDIA simply reuses their large Grace CPU die, co-packaged with a ConnectX-9 die to make an 800G DPU with massive compute capabilities. 128GB of LPDDR5 feeds the Grace CPU at half the bandwidth of regular Grace. That is 4x the memory capacity of BlueField-3. BlueField-4 can also function as a storage controller, with four BF-4 chips in each Context Memory Storage system.

Context After

Spectrum-6

② Atomic Claim

128GB LPDDR5 供給 Grace CPU，其 bandwidth 為一般 Grace 的一半。

• Epistemic Mode: ASSERTED
• Mapping Status: COMPLETE

③ Semantic Frame

{
  "comparison_expression": "128GB LPDDR5 feeds the Grace CPU at half the bandwidth of regular Grace.",
  "entities": [
    {
      "id": "04_knowledge_base/LPDDR5",
      "label": "LPDDR5"
    },
    {
      "id": "04_knowledge_base/NVIDIA Grace",
      "label": "Grace CPU"
    }
  ],
  "frame_type": "COMPARISON",
  "metric": "MEMORY_BANDWIDTH",
  "operator": "HALF_OF_REFERENCE",
  "qualifiers": {
    "condition_text": null,
    "numeric_mentions": [
      "128GB",
      "half"
    ],
    "temporal_mentions": []
  }
}

④ Canonical Entity Mapping

Role	Surface Label	Canonical Target
comparison_entity_0	LPDDR5	LPDDR5
comparison_entity_1	Grace CPU	04_knowledge_base/NVIDIA Grace

⑤ V2 Draft（需要修正時直接編輯）

Inline repair

只編輯以下三個 Draft 區塊。完成後將 review_action 設為 REQUEST_REPAIR，再手動執行 Repair Preview。
執行腳本前，Draft 不會寫入 Claim Store 或 Graph。

V2 Atomic Claim Draft

128GB LPDDR5 供給 Grace CPU，其 bandwidth 為一般 Grace 的一半。

V2 Semantic Frame Draft

{
  "comparison_expression": "128GB LPDDR5 feeds the Grace CPU at half the bandwidth of regular Grace.",
  "entities": [
    {
      "id": "04_knowledge_base/LPDDR5",
      "label": "LPDDR5"
    },
    {
      "id": "04_knowledge_base/NVIDIA Grace",
      "label": "Grace CPU"
    }
  ],
  "frame_type": "COMPARISON",
  "metric": "MEMORY_BANDWIDTH",
  "operator": "HALF_OF_REFERENCE",
  "qualifiers": {
    "condition_text": null,
    "numeric_mentions": [
      "128GB",
      "half"
    ],
    "temporal_mentions": []
  }
}

V2 Revision Metadata Draft

{
  "epistemic_mode": "ASSERTED",
  "mapping_status": "COMPLETE"
}

⑥ 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。