Cluster information

Introduction

Aurel (IBM Power 775)

  • Architecture: PPC64

  • Theoretical peak performance: ca 128 TFLOP/s

  • Operating system: AIX 7.1

  • Queueing system: Loadleveler

HW Overview

  • 2 frames, 16 drawers, 128 physical nodes (130 logical nodes),

  • 4096 cores

  • 4 GPFS nodes

  • 2 service nodes

  • 2 user login nodes

  • 122 compute nodes

Compute nodes

  • Memory: 256 GB

  • CPU: IBM Power 7, 3.83 GHz, 32 cores, L1 cache 32+32 KB/core, L2 cache 256 KB/core, L3 cache 4 MB/core

Data storage

  • IBM System Storage DS5300, capacity: 600 TB

  • P775 internal disk drawer, capacity: 320 TB

Networks

  • high-speed compute network up to 48 Gb/s

  • data storage access network: Fiber Channel 8 Gb/s