LEMANICUS Blue Gene/Q Supercomputer  BG/Q

• IBM Blue Gene/Q Massively Parallel Supercomputer
• 1 rack, wired as a 4x4x4x8x2 5D torus
• 1024 sixteen-core nodes, PowerA2, 1.6 GHz
• Energy efficient, water cooled
• 209 Tflops peak, 172 Tflops LINPACK
• 16 TB of memory (16 GB per compute node, 1 GB per core)

Storage

• 2.1 PB of disk space
• GPFS Native Raid (GNRx) disk management solution
• GPFS parallel file system

Front-ends

• Two IBM POWER-720 servers, 16-cores Power7, 64 GB memory
  1. bgq1.epfl.ch (open to the outside world)
  2. bgq2.epfl.ch (accessible within EPFL network only)