|
Type |
Cluster |
Cluster |
Cluster |
|
Usage |
SNIC |
SNIC |
LHC, Swegrid |
|
Nodes/Cores |
318/15264 (10 fat, 308 thin) |
672/5376 |
68/544 |
|
CPU |
4 x AMD Opteron 6238 (Interlagos) 12 core (2.6 GHz) |
2 x Intel Xeon quad-core L5420 (2.5GHz) |
2 x Intel Xeon quad-core E5430 (2.66GHz) |
|
Memory |
10 fat: 512 GB RAM/node, 308 thin: 128 GB RAM/node |
16 GB RAM/node |
16 GB RAM/node |
|
Disk |
500 GB/node |
73GB/node |
|
|
Interconnect |
Infiniband, 40Gb/s, 4X QSFP Mellanox |
10Gb/s, SDR 4X, latency: < 4 µs |
GigaBit Ethernet
|
|
Theoretical Performance (TFlops) |
158.75 |
53.8 |
5.8 |
|
HP Linpack (TFlops) |
- |
46.04 |
- |
|
Top 500 |
- |
#39 (June 2008) |
- |
|
In use since |
2011 |
2008 |
2008 |
|
Named for |
Abisko National Park in northern Sweden, in the Swedish province of Lapland near the Norwegian border. |
Akka, a massif in the southwestern corner of Stora Sjöfallet National Park in northern Sweden. |
The location Ritsem, near the Stora Sjöfallet National Park in northern Sweden. |
|
Comments |
|
|
Ritsem is one of the SweGrid machines. On this machine, jobs can only be run over the grid - there is no local PBS job access. |