ASC - Austrian Scientific Computing

VSC-1 – retired

VSC-1 is retired, it went out of service by the end of March 2015.

 

VSC-1 was set up in 2009 with an investment of almost 2 million Euros. It was located in the Freihaus building of TU Wien and ranked 156th in the November 2009 TOP500 list.

 

Opens external link in new windowVSC-1 in the TOP500 list (Rank 156 in November 2009)

 

Press coverage on VSC-1

VSC-1 – Hard- and Software

  • operating system: Linux (CentOS 5.5)

  • batch system: Sun Grid Engine

  • compilers and software: Intel compiler (Fortran, C/C++), GNU compilers (g77, gfortran, gcc), Portland Group Compiler, Glasgow Haskell Compiler, debugging (gdb, idb), Intel_MKL, FFTW, GotoBLAS, QLogic_MPI, Open_MPI, R, MATLAB, Mathematica, HDF5, Global Arrays, GAUSSIAN, LAMMPS, additional applications installed on request

  • 436 compute nodes Sun Fire X2270
    each equipped with 2 processors (Opens external link in new windowIntel Xeon X5550 Nehalem, 2.66 GHz, 4 cores)
    24 GByte of memory (6 x 4 GByte 1333 MHz DDR3) and a disk (SATA) of 500 GByte
    network adapters: 1 x InfiniBand (QLogic QLE7240 HBA) and 2 x Gigabit Ethernet
    total number of available processor cores = 3488

  • 40 compute nodes Supermicro Twin2 (extension)
    each equipped with 2 processors (Opens external link in new windowIntel Xeon X5650 Westmere, 2.66GHz, 6 cores)
    24 GByte memory (6 x 4 GByte DDR3) and a disk (SATA) of 500 GByte
    network adapters: 1 x InfiniBand (QLogic QLE7280 HBA) and 2 x Gigabit Ethernet
    total number of available processor cores = 480

  • interconnect: QLogic InfiniBand QDR (40 Gbit/s)
    23 InfiniBand switches (21 x QLogic 12200 and 2 x QLogic 12300 with 36 4x QDR ports per switch and a linkspeed of 40 / 20 / 10 Gbit/s (auto-negotiation)
    fat-tree topology with 2 levels with 19 leaf switches and 4 core switches

  • 6 file servers:
    2 x Sun Fire X4440, disks: SAS 300 GByte 15k
    1 x Sun Fire X4100, disks: SATA 1 TByte 72k
    3 x Supermicro X8DTH, disks: SAS2 2 TByte 72k

  • 3 login and 2 master nodes
    each equipped with 2 processors (Opens external link in new windowIntel Xeon E5540 Nehalem, 2.53 GHz, 4 cores)
    24 GByte of memory (6 x 4 GByte 1333 MHz DDR3) and a disk (SATA) of 500 GByte
    network adapters: 1 x InfiniBand (QLogic QLE7240 HBA) and 4 x Gigabit Ethernet
    redundant power supply, hot-swappable, high-efficiency PSU (1050 W each)

  • Gigabit Ethernet network for management:
    14 Gigabit Ethernet switches HP ProCurve 2510G-48 with 44 auto-sensing 10 / 100 / 1000 ports
      2 Gigabit Ethernet switches HP ProCurve 2910al-48G with 44 auto-sensing 10 / 100 / 1000 ports
         plus 4 dual personality ports (RJ-45 10 / 100 / 1000 port or mini-GBIC slot)

  • 18 racks cooled by 8 Knürr CoolLoops® (30 kW)

VSC-1 – GPU subunit

  • 4 compute nodes Supermicro Twin2 (extension)
    each equipped with 2 processors (Intel Xeon X5650 Westmere, 2.66GHz, 6 cores)
    24 GByte memory

  • each node is equipped with 2 NVIDIA Tesla C2050 graphic cards