docs: add FP8 format explanation to startup-flags page

[lin-bot23]

Summary

Users asked about the difference between fp8_e4m3fn, fp8_e5m2, and fp8_e8m0fnu formats. The startup-flags page listed these flags without explaining the format differences. This change adds a Tip note clarifying the exponent/mantissa tradeoffs.

Changes

• development/comfyui-server/startup-flags.mdx: Add Tip note explaining FP8 format differences after the UNET precision table.

Source
Mintlify AI Assistant analytics data (2026-07-17)

Checklist

• English only (translations separate)
• PR created by Hermes Agent (bot), do not merge

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ℹ️ Recent review info

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Configuration used: Organization UI

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Run ID: 5b558865-93c3-44db-bc25-6d39fa1f32e0

📥 Commits

Reviewing files that changed from the base of the PR and between c2cc862 and bed3cb0.

📒 Files selected for processing (1)

• development/comfyui-server/startup-flags.mdx

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📝 Walkthrough

Walkthrough

The UNET precision documentation adds a tip covering FP8 formats e4m3fn, e5m2, and e8m0fnu, including their precision, range, and hardware support differences.

Changes

FP8 precision documentation

Layer / File(s)	Summary
FP8 format guidance development/comfyui-server/startup-flags.mdx	Adds a tip explaining FP8 exponent/mantissa characteristics, precision/range tradeoffs, and the hardware support caveat for e8m0fnu.

🚥 Pre-merge checks | ✅ 2

✅ Passed checks (2 passed)

Check name	Status	Explanation
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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