2025-12-04_aws-trainium3-deep-dive-a-potential::TRN3-0013

① SA Source

Context Before

Source: SemiAnalysis, AWS

Trainium3 delivers several notable generation on generation upgrades when it comes to specifications.

Evidence

OCP MXFP8 FLOPs throughput is doubled, and OCP MXFP4 support is added but at the same performance as OCP MXFP8.

Context After

image

Source: SemiAnalysis, AWS

② Atomic Claim

Trainium3 的 MXFP8 FLOPs throughput 相較前代加倍,並新增 MXFP4,且 MXFP4 performance 與 MXFP8 相同。

  • Epistemic Mode: ASSERTED
  • Mapping Status: COMPLETE

③ Semantic Frame

{
  "attribute": "low_precision_compute_upgrade",
  "context_nodes": [
    {
      "id": "04_knowledge_base/MXFP8",
      "label": "MXFP8"
    },
    {
      "id": "04_knowledge_base/MXFP4",
      "label": "MXFP4"
    }
  ],
  "entity": {
    "id": "04_knowledge_base/Trainium",
    "label": "Trainium3"
  },
  "frame_type": "ATTRIBUTE",
  "qualifiers": {
    "condition_text": null,
    "numeric_mentions": [
      "2x"
    ],
    "temporal_mentions": []
  },
  "value": {
    "numeric_mentions": [
      "2x"
    ],
    "value_text": "MXFP8 throughput doubled; MXFP4 added at same performance as MXFP8"
  }
}

④ Canonical Entity Mapping

RoleSurface LabelCanonical Target
entityTrainium3Trainium
context_0MXFP8MXFP8
context_1MXFP4MXFP4

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。