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| manufacturer - sgi nodes type speed cache 1 altix 4700 (512 cores) montecito 1.6 ghz 9mb 1 altix 4700 (2048 cores) montecito 1.6 ghz 9mb 2 altix 4700 (1024 cores) montvale 1.6 ghz 9mb 4 total compute nodes (4,608 total cores)  system architecture * 40 compute node cabinets * 30 teraflop/s theoretical peak (original 10,240 system - 63 tflop/s) subsystems * 2 front-end nodes memory * type - double data rate synchronous dynamic random access memory (ddr sdram) * per processor (core) - 2gb * total memory - 9tb interconnects * numalink interconnected single-system image compute nodes * internode o infiniband - 4x (single data rate, double data rate) o 10gb ethernet lan/wan interconnect o 1gb ethernet lan/wan interconnect storage * online - datadirect networks & lsi raid, 1pb (raw) o 1 sgi cxfs domains o local sgi xfs fileystems * archival - attached to high-end computing sgi cxfs san filesystem operating environment * operating system - suse linux enterprise * job scheduler - pbs * compilers - intel fortran, c, sgi mpt |
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