NVLink-SHARP Multimem multicast + device-side communication API within an NVL72 domain
NCCL 2.28+observed
| 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 | 2026 |
| Source | NVIDIA NCCL 2.28 Device API blog; NCCL release notes · Release highlights and “How the NCCL device API enables direct kernel communication”; Multimem operation mode uses NVLink SHARP hardware multicast |
| Review | checking…review by 2026-07-30 · standard cadence |
| Recorded changes | last 2026-07-03 |
| Claim id | nvlink-sharp-multimem-multicast-device-side |
Where the guide uses it
← Full numbers register — every date-stamped figure in the guide, with revision history.