OCuLUS (Owl CLUSter)
Start of operation was March, 2013. The GPU nodes have received multiple updates during the operation time, the latest in 2020. Retired in July 2022.
Technical description
Peak performance | 200 TFLOPS (CPU) and > 40 TFLOPS (GPU, original setup) |
Processor cores | 9.920 Intel Xeon "Sandy Bridge" cores |
Total main memory | 45 TByte |
Cabinets | 12 racks - backdoor cooling, 2 racks - air cooling |
Compute nodes (small) | 552, each with two Intel Xeon E5-2670, 2.6GHz, 16 cores, 64 GByte main memory |
Compute nodes (large) | 20, each with two Intel Xeon E5-2670, 2.6GHz, 16 cores, 256 GByte main memory |
GPU nodes Type 1 | 14, each with two Intel Xeon E5-2670, 2.6GHz, 16 cores, 64 GByte main memory, one NVIDIA GeForce GTX 1080 Ti (11 GByte) |
GPU nodes Type 2 | 2, each with two Intel Xeon E5-2670, 2.6GHz, 16 cores, 64 GByte main memory, two NVIDIA GeForce GTX 1080 Ti (11 GByte) |
GPU nodes Type 3 | 2, each with two Intel Xeon E5-2670, 2.6GHz, 16 cores, 64 GByte main memory, two NVIDIA GeForce RTX 2080 Ti (11 GByte) |
GPU nodes Type 4 | 7, each with two Intel Xeon E5-2670, 2.6GHz, 16 cores, 64 GByte main memory, one NVIDIA GeForce RTX 2080 Ti (11 GByte) |
GPU nodes Type 5 | 14, each with two Intel Xeon E5-2670, 2.6GHz, 16 cores, 64 GByte main memory, two NVIDIA Tesla K20 (5 GByte) |
GPU nodes Type 6 | 4, each with one AMD EPYC 7282, 3.2GHz, 16 cores, 128 GByte main memory, two NVIDIA PNY RTX 2080 Ti (11 GByte) |
SMP nodes | 4, each with four Intel Xeon E5-4650, 2.7GHz, 32 cores, 1 TByte main memory |
Interconnect | QDR InfiniBand PCIe3, 40 Gbit/s Mellanox |
Storage system | 500 TByte disk capacity, BeeGFS (7.1.4) with 2 Metadata servers and 7 Storage Servers |
Service nodes | 6 frontend and admin nodes |
Documentation
For detailed documentation, available file systems and software, please refer to our technical documentation wiki.