Matter was decommissioned on June 12th, 2015 and replaced by the Gamma cluster.
Matter is a Linux-based cluster with 516 compute nodes and a combined peak performance of 37 TFLOPS.
Each compute node (HP SL170z) is equipped with two quad-core processors of type Intel® Xeon® E5520 and 36 GB RAM. There are also four "fat" nodes with two Intel® Xeon® X5570 CPUs and 144 GB RAM.
|Hardware||HP Cluster Platform with SL170z G6 compute nodes|
|Processors||4-core Intel Xeon E5520 processors at 2.2GHz|
|Number of compute nodes||516|
|Compute node (thin)||2 sockets (8 cores) with 36 GB memory (512 nodes)|
|Compute node (fat)||2 sockets (8 cores) with 144 GB memory (4 nodes)|
|Login nodes||One HP ProLiant DL180 G6 server, accessible using SSH|
|High speed interconnect||Infiniband QDR high-speed interconnect|
|Node scratch storage||258 TB (500 GB per node)|
|Global file system||Matter used NSC's Centre Storage|
|Operating system||CentOS Linux 5|
|Batch queue system||Slurm|
Kappa is open for users within Linköping University.
Access to Kappa is granted by NSC. Local researchers at Linköping university can apply for computing time on Kappa. See applying for a new project for details.