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About the systems:
Cray Y-MP EL (yel)
Cyber 960 (cy960)
Cyber 860 (cy860)
Cyber 830 (phoenix)
Desktop Cyber (dtcyber)
Control Data Net (cdcnet)
SGI Origin 2000 (o2000)
CData 4680 (majestix)
Sun Enterprise 10000 (e10k)
Cray T3E (t3e)
NEC SX-4B (sx4b)
NEC UP4800/675 (siox)
Cray J916 (uhu)
Cray J932 (huh)
Cray C90
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Fujitsu VPP300 (vpp)
Bull DPS 6000
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Tours day on Nov 23rd 2002
Tours day on Nov 29th 2003
Tours day on Nov 27th 2004
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Cyber 2000 from Zurich (external)
Moving to datArena (external, short overview)
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Cyber Disk Emulator
MUNIAC Vacuum Tube Computer

Team Members:
John G. Zabolitzky
Alexander Mann
Freddy Meerwaldt
Wolfgang Stief

In memory of:
Seymour Cray
Control Data Corp
Cray Research
Cray Computer Corp

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The SGI Origin 2000

This machine is accessible through the internet every Saturday
See live system information here (participates on SysInfo)

Picture of o2000
Click on the image to enlarge
Times of operation: Every Saturday
Machine Type: SGI Origin 2000, 2 modules connected via CrayLink (=NUMAlink)
Interconnect Bandwidth: 800 MB/s
Serial number: Node 1: K0009184
Node 2: K0016371
Year of introduction: 1997
CPU Type: RISC R10000, 250 MHz / 4.0ns, CMOS technology, 4MB Cache
Number of processors: 16 (each module 8 CPUs ccNUMA (=cache coherent non uniform memory access))
Main memory: 16 GB (each module 8 GB)
Word length: 64 bit
Binary compatibility: back to MIPS R3000
Local storage: 2x 9.1 GB SCSI-2 HDDs in Node 1
1x SCSI CD-ROM Drive in Node 1
Network connectivity: 100 MBit Ethernet
Specified performance: 500 MFlops per CPU
Measured peak performance: 377 MFlops per CPU (with -O3, -O0 till O2: 14 - 60 MFlops), giving a total of 6 GFlops
3.33 GFlops with 8 procs using -apo -Ofast -O3, 417 MFlops/proc
Operating system: SGI IRIX 6.5.22f
Commercial products installed: MIPSPro C Compiler 7.2.1 (invoke by typing cc), MIPSPro C++ Compiler (invoke by typing CC)
MIPSPro Fortran compiler f77, licenses graciously donated by SGI
Free software installed (/usr/local): GNU Make 3.80, GNU Bash 3.1, GNU tar 1.13.25, gettext 0.14 & 0.11, bzip2 1.03, OpenSSL 0.9.8a, OpenSSH 4.2p1, less 394
Donated by: individual members of

Links related to this machine:
- Output when booting the SGI Origin 2000
- SGI Origin 2000 Homepage

On-line documentation may be accessed via the man command when logged in, see short form users guide.
All content on and all subsites of are Copyright © 2002-2007 by the Cray-Cyber Team
Cray is a registered trademark of Cray Inc.

Document last modified on: Sun, 12.October.2014 16:07:01