Vega.ijs.si Linux Cluster Home Page

The J. Stefan Institute home page is located at http://www.ijs.si
Reactor Physics Department (F8) home page is located at http://www2.ijs.si/~f8www/

Vega.ijs.si^1,2 Extreme Linux Cluster Home Page

at
Institute Jozef Stefan
Reactor Physics Division F-8
Jamova 39
1000 Ljubljana, Slovenija

¹ Vega as the star
²Vega as the famous Slovenian mathematics

Vega Extreme Linux Cluster at out division is in the operation from 23-Dec-1998.

Some pictures:

Screen shot when system running:

Hardware:

The first computer:

Motherboard: INTEL SE440BXNA Seattle
Processor: INTEL Pentium II - 450 BOX
RAM: 384MB BX100 Long DIMM, 168P 7ns
Video card: DIAMOND Stealth PRO2000 (3D), 4MB
Hard disk: Western Digital HDD WD 38400 (8.4GB)
Case, floppy drive: JATON
CD-ROM: TEAC 32x
Ethernet: Digital DE500-BA 10/100 FastEther Work

The second, the third and the fourth computer:

Motherboard: INTEL SE440BXNA Seattle
Processor: INTEL Pentium II - 350 BOX
RAM: 128MB BX100 Long DIMM, 168P 7ns
Video card: DIAMOND Stealth PRO2000 (3D), 4MB
Hard disk: Western Digital HDD WD 38400 (8.4GB)
Case, floppy drive: JATON
Ethernet: Digital DE500-BA 10/100 FastEther Work

Fast ethernet switch:
Cabletron ELS100-24TX SmartStack 10/100 24 port switch

Longshine hub
Philips 15" monitor
Peacock (Cherry) keyboard
Logitech serial mouse
Keyboard, monitor, mouse switch Manhattan
UPS APC 900VA

Software:

RedHat Linux 5.2

PVM 3.3.11-10 - PVM provides a message-passing library and runtime configurable
parallel environment on a variety of multiprocessing platforms.

XPVM 3.3.11-10 - provides a nifty X interface to the PVM system.

LAM 6.1-4 - Ohio State LAM MPI.

bWatch 1.0.2 - bWatch is short for Beowulf Watch. It is Tcl/Tk script designed to
monitor the performance of a beowulf class supercomputer. Its main task is to
watch the load and memory usage on all of the nodes in a beowulf
cluster.

Applications:

MCNP 4B - general-purpose, continuous-energy, generalised geometry, time-dependent, coupled
neutron-photon-electron Monte Carlo transport code system from Los Alamos National Laboratory
running under PVM.

Some benchmarks:

compare elapsed - wall clock times:

Speedup for the MCNP test case input #20:

1001.69user 0.34system 16:48.61elapsed 99%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (351major+128minor)pagefaults 0swaps

tasks 2:
136.59user 383.71system 8:43.38elapsed 99%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (335major+853minor)pagefaults 0swaps

tasks 3:
18.88user 42.56system 5:52.56elapsed 17%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (335major+857minor)pagefaults 0swaps

tasks 4:
16.33user 33.76system 4:29.24elapsed 18%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (400major+1141minor)pagefaults 0swaps

Speedup for the BAPL input:

1494.96user 1.00system 25:08.21elapsed 99%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (765major+577minor)pagefaults 0swaps

tasks 2:
237.63user 607.77system 14:27.63elapsed 97%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (737major+22853minor)pagefaults 0swaps

tasks 3:
181.66user 409.10system 10:18.11elapsed 95%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (737major+22964minor)pagefaults 0swaps

tasks 4:
63.74user 92.76system 9:27.73elapsed 27%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (765major+23698minor)pagefaults 0swaps

Speedup for the b800 input:

671.38user 0.15system 11:17.10elapsed 99%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (701major+156minor)pagefaults 0swaps

tasks 2:
107.58user 292.82system 6:44.47elapsed 98%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (336major+264minor)pagefaults 0swaps

tasks 3:
19.86user 51.69system 4:39.93elapsed 25%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (336major+345minor)pagefaults 0swaps

tasks 4:
15.05user 37.35system 3:30.51elapsed 24%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (489major+362minor)pagefaults 0swaps

Speedup for the TRIGA rector model calculation (s300 input):

537.16user 5.39system 9:16.22elapsed 97%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (25166major+2005minor)pagefaults 0swaps

tasks 2:
109.53user 183.10system 5:01.35elapsed 97%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (2630major+3274minor)pagefaults 0swaps

tasks 3:
89.78user 130.31system 3:50.11elapsed 95%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (6681major+3274minor)pagefaults 0swaps

tasks 4:
56.74user 33.68system 3:24.90elapsed 44%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (2760major+3275minor)pagefaults 0swaps

Links to the related sites:

Beowulf Project at CESDIS
Extreme Linux
PVM: Parallel Virtual Machine
LAM / MPI Parallel Computing
MPICH - A Portable MPI Implementation
Parallel Processing using Linux
Linux SMP FAQ
B E O W O R L D
Parallel Systems (Architecture & SW)
Loki - Commodity Parallel Processing
OpenMP: Simple, Portable, Scalable SMP Programming
MP and Clustering for Linux
Topcat - Beowulf Class SuperComputer
Linux Parallel Processing Sites
The ZPL Parallel Programming Language
Cluster Cookbook
Index of CRPC-based Home Pages
Highly-parallel Integrated Virtual Environment
NIH LoBoS Supercomputer Home Page
Hrothgar Project
The Stone SouperComputer - ORNL's First Beowulf-Style Parallel Computer
Scalable Computing Testbed - Home Page
The Jazznet Project
Megalon--The Massively PArallel CompuTer Resource (MPACTR)
UC Irvine Aeneas Supercomputer
Linux Cluster MAGI
NIH LoBoS Supercomputer Home Page
alibaba.bit.si - the biggest parallel computer in Slovenia (HMZS - Jure Jerman)
Agenda d.o.o. - here you can buy Beowulf system. They had cluster and presentation at the INFOS 98 (thanks for motivaton!)
LUGOS - Linux User Group of Slovenia - discussions in the LUGOS mailing list
Active Tools - Predstavitev
CHARMM on variety of parallel platforms (Milan Hodoscek)
IJS-F9 Linux cluster
Boris Benko (at home, LAM)