IBM Blue Gene/L Configuration



Hardware, Operating System


  • 8 Racks with (2 x 16) x 32 compute nodes (total 8192)
    • Compute node: dual processor
    • Processortype: 32-bit PowerPC 440 core 700 MHz
    • Overall peak performance: 45.8 Teraflops
    • Linpack: 36.49 Teraflops
    • Main memory: 512 Mbytes (aggregate 4.1 TB)
    • I/O Nodes: 288
    • Networks:
      • Three-dimensonal torus (compute nodes)
      • Global tree / Collective network (compute nodes, I/O nodes)
      • Gigabit ethernet / Functional network (I/O Nodes)

  • 1 Service node IBM p720:
    • Total number of processors: 8
    • Processortype: Power5 1.6 GHz
    • Total amount of memory: 16 GB
    • Operating System: SuSE Linux Enterprise (SLES 9)

  • 1 Login node IBM p720:
    • Total number of processors: 8
    • Processortype: Power5 1.6 GHz
    • Total amount of memory: 8 GB
    • Operating System: SuSE Linux Enterprise (SLES 9)

    • Internet address: jubl.zam.kfa-juelich.de

Partitions


Partition Name Number Nodes Size X*Y*Z Connect Type Comment
ALL 8192 32*16*16 torus 8 Racks R00, R01, R10, R11, R20, R21, R30, R31
Cube01
Cube23
4096 16*16*16 torus 4 Racks R00, R01, R10, R11
4 Racks R20, R21, R30, R31
Col0
Col1
4096 32*8*16 torus 4 Racks R00, R10, R20, R30
4 Racks R01, R11, R21, R31
Band010
Band011
2048 32*8*8 torus 4 Midplanes R01-M0, R11-M1, R31-M0, R21-M1
4 Midplanes R01-M1, R11-M0, R31-M1, R21-M0
Row0
Row1
Row2
Row3
2048 8*16*16 torus 2 Racks R00, R01
2 Racks R10, R11
2 Racks R20, R21
2 Racks R30, R31
R00
R01
R10
R11
R20
R21
R30
R31
1024 8*8*16 torus 2 Midplanes R00-M0, R00-M1
2 Midplanes R01-M0, R01-M1
2 Midplanes R10-M0, R10-M1
2 Midplanes R11-M0, R11-M1
2 Midplanes R20-M0, R20-M1
2 Midplanes R21-M0, R21-M1
2 Midplanes R30-M0, R30-M1
2 Midplanes R31-M0, R31-M1
R300 512 8*8*8 torus Midplane R30-M0
R301 512 8*8*8 torus Midplane R30-M1
R310 512 8*8*8 torus Midplane R31-M0
R311 512 8*8*8 torus Midplane R31-M1
R000_N0
R000_N1
...
R000_N9
R000_NA
...
R000_NF
32 4*4*2 mesh 1 Nodebook #1
1 Nodebook #2
...
1 Nodebook #10
1 Nodebook #11
...
1 Nodebook #16
R000_N0123
R000_N4567
R000_N89AB
R000_NCDEF
128 8*4*4 mesh 4 Nodebooks, overlap N0 - N3
4 Nodebooks, overlap N4 - N7
4 Nodebooks, overlap N8 - NB
4 Nodebooks, overlap NC - NF
R000 512 8*8*8 torus Midplane 0 (lower half) of rack R00 16 Nodebooks, overlap N0 - NF
R001_N0
R001_N1
...
R001_N9
R001_NA
...
R001_NF
32 4*4*2 mesh 1 Nodebook #1
1 Nodebook #2
...
1 Nodebook #10
1 Nodebook #11
...
1 Nodebook #16
R001_N0123
R001_N4567
R001_N89AB
R001_NCDEF
128 8*4*4 mesh 4 Nodebooks, overlap N0 - N3
4 Nodebooks, overlap N4 - N7
4 Nodebooks, overlap N8 - NB
4 Nodebooks, overlap NC - NF
R001 512 8*8*8 torus Midplane 1 (upper half) of rack R00 16 Nodebooks, overlap N0 - NF



last change 25.07.2006 |
Ulrike Schmidt | Print