VR2R-0109

回到這篇 SA Coverage

① SA Source

Context Before

With that said, many ML Systems engineer are still skeptical that this new form of sparsity will work well, and it is very possible that Nvidia’s 50 PFLOPS is purely marketing like prior generations

Rubin’s chip level TDP increases up to 2,300W vs 1000-1400W for Blackwell. Supply chain rumors have indicated that there are 2 different “SKUs” with different power and performance profiles: a Max-P variant at 2,300W and a Max-Q variant at 1,800W. However, these are not distinct hardware SKUs but the 2 default power profiles that Nvidia is offering users based on their workload needs. Max-Q is what Nvidia believes offers the best performance per Watt. Max-P offers the greatest absolute performance though this would come with an efficiency penalty. Running the Max-P setting results in a 20% increase in rack power draw but the performance gain fall well short of this 20% power consumption increase.

Evidence

These power profiles are software managed. Users can also choose whatever max power draw they prefer (as long as it is no more than 2,300W per GPU) and this has been the case for previous GPU generations as well. Several hyperscalers and labs have chosen to run their GPUs at lower power to optimize for performance per Watt as well as taking into account power availability constraints.

Context After

image

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

② Atomic Claim

前幾代 GPU 也同樣可以這樣調整 power draw。

  • Epistemic Mode: ASSERTED
  • Mapping Status: PARTIAL

③ Semantic Frame

{
  "attribute": "USER_CONFIGURABLE_POWER_DRAW_HISTORY",
  "context_nodes": [],
  "entity": {
    "id": "04_knowledge_base/GPU",
    "label": "GPU"
  },
  "frame_type": "ATTRIBUTE",
  "qualifiers": {
    "condition_text": "this 指涉 VR2R-0108",
    "numeric_mentions": [],
    "temporal_mentions": [
      "previous generations"
    ]
  },
  "value": {
    "numeric_mentions": [],
    "value_text": "previous GPU generations 也允許 users 調整 max power draw。"
  }
}

④ Canonical Entity Mapping

RoleSurface LabelCanonical Target
entityGPUGPU

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

前幾代 GPU 也同樣可以這樣調整 power draw。

V2 Semantic Frame Draft

{
  "attribute": "USER_CONFIGURABLE_POWER_DRAW_HISTORY",
  "context_nodes": [],
  "entity": {
    "id": "04_knowledge_base/GPU",
    "label": "GPU"
  },
  "frame_type": "ATTRIBUTE",
  "qualifiers": {
    "condition_text": "this 指涉 VR2R-0108",
    "numeric_mentions": [],
    "temporal_mentions": [
      "previous generations"
    ]
  },
  "value": {
    "numeric_mentions": [],
    "value_text": "previous GPU generations 也允許 users 調整 max power draw。"
  }
}

V2 Revision Metadata Draft

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

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。