NUMAlink
NUMAlink is a system interconnect developed by Silicon Graphics (SGI) for use in its distributed shared memory ccNUMA computer systems. NUMAlink was originally developed by SGI for their Origin 2000 and Onyx2 systems. At the time of these systems' introduction, it was branded as "CrayLink" during SGI's brief ownership of Cray Research.
Hewlett Packard Enterprise entered an original equipment manufacturer (OEM) arrangement with Silicon Graphics International (SGI) to use Numalink as the foundation in some mission critical servers.
| Generation | Introduction | Bandwidth | Systems |
|---|---|---|---|
| Stanford DASH | ~1990 | 0.12 GB/s | |
| NUMAlink 2 | 1996 | 0.8 GB/s | Origin 2000, Onyx2 |
| NUMAlink 3 | 2000 | 1.6 GB/s | Origin 3000, Altix 3000 |
| NUMAlink 4 | 2004 | 3.2 GB/s | Altix 4000 |
| NUMAlink 5 | 2009 | 7.5 GB/s | Altix UV |
| NUMAlink 6 | 2012 | 6.7 GB/s | SGI UV 2000, SGI UV 3000, SGI UV 30 |
| NUMAlink 7 | 2014 | 14.9 GB/s | HPE Integrity MC990 X/SGI UV 300, SGI UV 30EX |
| NUMAlink 8 | 2017 | 13.3 GB/s | HPE Superdome Flex |
- Notes
- Bandwidth per port in each direction (each NUMAlink port is a dual simplex channel).
- DASH used separate request and reply mesh networks, so this bandwidth number is not directly comparable to NUMAlink.
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