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Systems

BA, Sun Microsystems cluster

Technical description

Peak Performance 11.8 TFlops, sustained performance 9.1 TFlops (LINPACK)
Number of Nodes 130 eight-core compute nodes
Processors/node 2 quad-core sockets per node, each is Intel Quad Xeon E5440 @ 2.83GHz
Memory/node 8 GB memory per node, Total memory 1.05 TBytes (132 * 8GB)
Disk storage 36 TB shared scratch (GPFS)
Other storage Other, Storage: Tape library for backup (StorageTek SL48 Tape Library) w. backup software: Veritas NetBackup (by Symantec)
Node-node interconnect

DDR Infiniband @ 10 GBbps network for MPI
DDR Infiniband @ 10 GBbps network for I/O to the global Lustre filesystems |

accelerators N/A
graphical pre- and post processing nodes 6 management nodes, incl. two batch nodes for job submission w. 64GB RAM
OS info

OS, Compute Node: RedHat Enterprise Linux 5 (RHEL5)
OS, Front End & Service Nodes: RedHat Enterprise Linux 5 (RHEL5)|

Further information http://www.bibalex.org/ISIS/Frontend/Projects/ProjectDetails.aspx?th=a7Pg5AcpjauIQ1/Xoqw2GA==&id=m8fC7jXMTFprEy98pIPBFw==

CyI/euclid, IBM xSeries cluster:

12 eight-core compute nodes (4 * x3550, 8 * x3650M2)
2 quad-core sockets, w. Intel Xeon Harpertown processors E5520 @ 2.27GHz
with 16 GB memory per node
Total peak performance ~1 TFlop/s
Total memory .192 TBytes
4x QDR Infiniband network for MPI
4x QDR Infiniband network for I/O to the global Lustre filesystems
OS, Compute Node: CentOS release 5.3
OS, Front End & Service Nodes: CentOS release 5.3
Other, Shared Scratch Storage: 10 TBytes
Further information: http://www-castorc.cyi.ac.cy/twiki/bin/view/Main/ClustersOverviewPublic

NARSS, Blue Gene/L:

1024 dual processor compute nodes
2 sockets per node, each Processor is PowerPC 440 700MHz
with 512MB SDRAM-DDR memory per node
Total peak performance per rack – 5.73 TFlops
Total memory .5 TBytes (1024 * .5GB)
3D toroidal network for peer-to-peer communication
OS, Compute Node: Lightweight kernel, I/O Node – Embedded Linux
OS, Front End & Service Nodes: SuSE SLES 9 Linux
Further information: http://www.narss.sci.eg/Capabilities.aspx#Capability45

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