Caractéristiques du Blue Gene/P

BG/P main characteristics

• IBM Blue Gene/P Massively Parallel Computer
• 4 racks, one row, wired as a 16x16x16 3D torus"
• 4096 quad-core nodes, PowerPC 450, 850 MHz"
• Energy efficient, water cooled"
• 56 Tflops peak, 46 Tflops LINPACK"
• 16 TB of memory (4 GB per compute node)"
• 1 PB of disk space, GPFS parallel file system"
• OS Linux SuSE SLES 10

Front-ends

• Two IBM System-p hosts
  
  • bg1.epfl.ch (open to the outside world)
  • bg2.epfl.ch (accessible within EPFL network only)
• Configuration
  
  • 8 Power6 cores 4.2 GHz
  • 32 GB of memory
• Login
  
  • Via ssh only
  • % ssh username@bg1.epfl.ch