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Hardware

MJM Overview

Linux Networx Advanced Technology Cluster
Manufacturer Linux Networx
Model Advanced Technology Cluster
Theoretical Peak 52.8 TFlops
Cores 4400 3.0 GHz Intel Woodcrest
Memory 8.8 TB
Local System Disk 264 TB
Operating System SLES 9
Internal Network DDR Infiniband

The Linux Networx Advanced Technology Cluster is a commodity cluster system consisting of dual dual-core blades that can be configured as compute, storage, management or login nodes. MJM has 1100 two processor socket dual-core compute nodes, each with 8 GB of memory; and 8 two processor socket dual-core login nodes, each with 16 GB of memory. The system utilizes a high speed 4x DDR Infiniband interconnect and global shared filesystem. The processors on MJM operate at a frequency of 3.0 Ghz, resulting in a peak floating-point rate of 12.0 Gigaflops per core. In total, MJM consists of 4400 compute cores, delivering 52.8 Teraflops.

Login nodes

All logins to MJM must be done using the designated login nodes:
mjm-l[1-8].<rest of hostname>

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