GPU SMs consumed by a reduction after composing NVLink-SHARP + IB-SHARP in NCCL 2.27
~16 → ≤6 SMsobserved
| 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 | 2025 |
| Source | NVIDIA Developer (NCCL 2.27); SHARP in-network computing |
| Review | checking…review by 2026-09-26 · standard cadence |
| Recorded changes | last 2026-06-29 |
| Claim id | gpu-sms-consumed-by-a-reduction-after-composing |
Where the guide uses it
← Full numbers register — every date-stamped figure in the guide, with revision history.