VR2R-0178

① SA Source

Context Before

  • GDDR7 offers materially lower cost per GB and

Evidence

avoids the need for 2.5D packaging.

Context After

However, Nvidia began exploring HBM-equipped variants for prefill, either via modified CPX configurations or through lower memory spec (such as using HBM3E) Rubin deployments dedicated to prefill.

② Atomic Claim

這也避免了使用 2.5D packaging 的需求。

  • Epistemic Mode: ASSERTED
  • Mapping Status: PARTIAL

③ Semantic Frame

{
  "frame_type": "CLAIM_ONLY",
  "qualifiers": {
    "condition_text": "承接 GDDR7-based CPX rationale",
    "numeric_mentions": [
      "2.5D"
    ],
    "temporal_mentions": []
  },
  "reason": "2_5D_PACKAGING_NOT_CANONICALIZED_AND_SUBJECT_IMPLICIT",
  "statement": "該方案避免使用 2.5D packaging。"
}

④ Canonical Entity Mapping

RoleSurface LabelCanonical Target
———

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。