clm_8e7236578746441283f45352686f383a_r1

NIEK2-0258

① SA Source

• Source: 開啟完整 SA 文章
• Section: Rubin Ultra NVL288
• Line hint: 317

Context Before

Source: SemiAnalysis

Evidence

Our belief is that NVSwitch 7 is actually 2x the bandwidth and radix of NVSwitch 6, so all-to-all can be done

Context After

Rubin Ultra NVL576

To push the scale up world size beyond 144 GPUs and across multiple racks, optics are needed as we are approaching the maximum compute density that is within the reach of copper. Rubin Ultra NVL576 is now on the roadmap with 8 racks of lower density Oberon.

② Atomic Claim

SemiAnalysis 的判斷是 NVSwitch 7 實際上可能有 NVSwitch 6 兩倍的頻寬與 radix，因而可以實現 all-to-all。

• Epistemic Mode: INFERRED
• Mapping Status: PARTIAL

③ Semantic Frame

{
  "comparison_expression": "SemiAnalysis 的判斷是 NVSwitch 7 實際上可能有 NVSwitch 6 兩倍的頻寬與 radix，因而可以實現 all-to-all。",
  "entities": [
    {
      "id": "04_knowledge_base/NVSwitch",
      "label": "NVSwitch"
    }
  ],
  "frame_type": "COMPARISON",
  "metric": "BANDWIDTH",
  "operator": "MULTIPLE_OF",
  "qualifiers": {
    "condition_text": null,
    "numeric_mentions": [
      "7",
      "6"
    ],
    "temporal_mentions": []
  }
}

④ Canonical Entity Mapping

Role	Surface Label	Canonical Target
comparison_entity_0	NVSwitch	NVSwitch

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。