Computational Systems
NERSC Computational Systems
| System Name | System Type | CPU | Computational Pool | Node Interconnect | Scratch Disk | Avg. Power (KW) | |||||||
| Type | Speed (GHz) | Nodes | SMP Size | Total Cores | Flops per Core (Gflops/sec) | Peak Performance (Tflops/sec) | Aggregate Memory |
Avg. Memory/core |
|||||
| Hopper | Cray XE6 | Opteron | 2.1 | 6,384 | 24 | 153,216 | 8.4 | 1287.0 | 211.5 TB | 1.41 GB | Gemini | 2.2 PB (local) + 1.1 PB (global) | 2,200 |
| Edison (Phase 1) | Cray XC30 | Sandy Bridge | 2.6 | 664 | 16 | 10,624 | 20.8 | 221.0 | 41.5 TB | 4 GB | Aries | 1.62 PB (local) + 1.1 PB (global) | |
| Carver | IBM iDataPlex | Nehalem, Westmere, Nehalem-EX | 2.67, 2.00 | 1,202 | 8, 12, 32 | 9,984 | 10.68, 8.00 | 106.5 | 35.75 TB | 3.67 GB | QDR InfiniBand | 1.1 PB (global) | 266 |
| Dirac* | NVIDIA GPUs on IBM iDataPlex | Tesla C2050 (Fermi) and C1060 with Nehalem | 1.15 or 1.30 for GPUs and 2.4 for CPUs | 56 GPU nodes on 50 CPU nodes | 448 or 240 for GPUs, and 8 for CPUs | 23,424 GPU cores and 400 CPU cores | 1.15 or 1.30 for GPU cores and 9.6 for CPU cores | 25.4 for GPUs and 3.8 for CPUs | 176 GB for GPUs and 1,344 GB for CPUs | 7.7 MB for GPUs and 3.36 GB for CPUs | QDR InfiniBand | 1.1 PB (global) | - |
| PDSF** | Linux Cluster | Opteron, Xeon | 2.0, 2.27, 2.33, 2.67 | 194 | 8, 12 | 1,844 | 8.0, 9.08, 9.32, 10.68 | 17.6 | 6.4 TB | 4 GB | Ethernet | 34.9 TB for batch nodes and 184 GB for interactive nodes | 92 |
| Genepool*** | Various vendor systems | Nehalem, Opteron | 2.27, 2.67 | 547 | 8, 24, 32, 80 | 4,680 | 9.08, 10.68 | 42.8 | 33.7 TB | 7.36 GB | Ethernet | 1.1 PB (global) | - |
* Dirac is a testbed experimental system and is not considered a NERSC production system.
** PDSF is a special-use system hosted by NERSC for the High Energy Physics and Nuclear Science community.
*** Genepool is a cluster dedicated to the DOE Joint Genome Institute's computing needs.
See more information at NERSC computational systems.
