Single rank prefix fetch in the stated KV case
about 22 msderived
| Value kind | derived — Derived values are guide calculations; their result is only as fixed as the stated inputs, scope, and method. |
|---|---|
| Scope | Assumes 20 GB/s delivered to each rank and 5 ms of combined access, queue and materialization delay; assumed targets, not device measurements. |
| As of | 2026-09 |
| Source | Worked example in Chapter 9.7; assumptions stated in the text. |
| Derivation | 2 × 80 × 8 × 128 × 2 × 8192 / 8 / 20e9 + .005 = .021777216 seconds; all delivery rates and delays are assumptions. |
| Review | checking…review by 2027-03-05 · standard cadence |
| Recorded changes | last 2026-10-19 · 2 revisions tracked |
| Claim id | guide2-t23-kv-prefix-fetch |
Where the guide uses it
← Full numbers register — every date-stamped figure in the guide, with revision history.