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ABSTRACT

Indiana University's 20.48 Teraflop IBM e1350 BladeCenter supercomputer system ("Big Red") has been made available to researchers throughout the U.S. via the NSF-funded TeraGrid. The Big Red system finished 23rd on the June 2006 Top500 list, making it at that time the fastest supercomputer owned and operated by a U.S. university and also the fastest computer to be made available through the TeraGrid to date.Big Red is a distributed shared-memory cluster, consisting of 512 IBM BladeCenter JS21s, each with two dual-core PowerPC 970 MP processors (2.5GHz), 8GB of ECC PC3200 SDRAM, 72GB local SATA disk for scratch space, 360 TB GPFS parallel filesystem and a PCI-X Myrinet 2000 adapter for high-bandwidth, low-latency MPI applications.A significant portion of Big Red will be allocated to TeraGrid utilization. The TeraGrid is the National Science Foundation's flagship effort to create a national cyberinfrastructure to support academic research and promote scientific discovery.

INDEX TERMS

Primary Classification:
  C. Computer Systems Organization
  C.5 COMPUTER SYSTEM IMPLEMENTATION
      C.5.1 Large and Medium ("Mainframe") Computers
          Subjects: Super (very large) computers

Additional Classification:
  B. Hardware
  B.3 MEMORY STRUCTURES
      B.3.2 Design Styles
          Subjects: Shared memory

  C. Computer Systems Organization
  C.4 PERFORMANCE OF SYSTEMS

  D. Software
  D.4 OPERATING SYSTEMS
      D.4.2 Storage Management
          Subjects: Distributed memories
      D.4.3 File Systems Management
          Subjects: Distributed file systems

General Terms:
Design, Performance