speed at which Meta ran production RoCE PFC-only on the back-end, leaning on topology over loop tuning
400Gobserved
| Value kind | observed — Reported measurements, counts, and specifications keep the precision and scope stated by their source; an exact specification is not treated as a range. |
|---|---|
| As of | 2024 |
| Source | Engineering at Meta (RoCE at scale) |
| Review | checking…review by 2026-09-25 · standard cadence |
| Recorded changes | last 2026-06-29 |
| Claim id | speed-at-which-meta-ran-production-roce-pfc |
Where the guide uses it
← Full numbers register — every date-stamped figure in the guide, with revision history.