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NEC Cluster Hardware and Architecture (laki + laki2)
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Hardware
- 700 compute nodes are of type NEC HPC-144 Rb-1 Server (see NEC Products)
- dual CPU compute nodes: 2x Intel Xeon X5560 "Gainestown" (5000 Sequence specifications)
- 4 cores, 8 threads
- 2.80 GHz (3.20 Ghz max. Turbo frequency)
- 8MB L3 Cache
- 1333 MHz Memory Interface, 6.4 GT/s QPI
- TDP 95W, 45nm technology
- "Nehalem" microarchitecture
- compute node RAM: triple-channel memory
- standard: 12 GB RAM
- 36 nodes upgraded to 24GB, 48GB, 128GB or 144GB RAM
- 32 compute nodes have additional Nvidia Tesla S1070 GPU's installed.
- dual CPU compute nodes: 2x Intel Xeon X5560 "Gainestown" (5000 Sequence specifications)
- Pre- & Postprocessing node
- 8x Intel Xeon X7542 6-core CPUs with 2.67GHz (8*6=48 Cores)
- 1TB RAM
- shared access
- network: InfiniBand Double Data Rate
- switches for interconnect: Voltaire Grid Director 4036 with 36 QDR (40Gbps) ports (6 backbone switches)
- Top500 rankings for system Baku:
- June 2009 list (1-100): #77
- November 2009 list (1-100): #94
- June 2010 list (101-200): #110
- November 2010 list (101-200): #157
- June 2011 list (301-400): #305
- Green500 rankings:
Architecture
The NEC Nehalem Cluster platform consists of several frontend nodes for interactive access (for access details see Access) and several compute nodes for execution of parallel programs.
Compute node CPU architecture types installed:
- Intel Xeon 5560 (nehalem)
- Nvidia Tesla S1070 (consisting of C1060 devices)
Features
- Operating System: ScientificLinux 5.3 (internal test on Windows HPC Server 2008)
- Batchsystem: Torque/Maui/Moab
- node-node interconnect: Infiniband + GigE
- Global Disk 60 TB (lustre)
- OpenMPI
- Compiler: Intel, GCC, Java
Function | Name | CPU | Sockets | Cores | Memory | Disk | PBS properties | Interconnect |
---|---|---|---|---|---|---|---|---|
Compute Nodes | n010501 - n143302 (700 nodes) | Intel Xeon X5560 2.80 GHz | 2 | 8 | 12 GB (default), 24 GB (8nodes), 48 GB (8nodes) | - | nehalem | Infiniband |
Compute Nodes with Tesla S1070 | (32 nodes) | Intel Xeon X5560 2.80 GHz + Tesla S1070 GPU | 2 | 8 | 12 GB | - | tesla | Infiniband |
Login Node | cl3fr1 / cl3fr2 | Intel Xeon X5560 2.80 GHz | 2 | 8 | 48 GB | 150 GB mirror | - | 10GigE/Infiniband |
I/O Server | (2 lustre nodes) | Intel Xeon E5405 2.0 GHz | 8 GB | 60 TB | - | Infiniband | ||
Infrastructure (NTP,PBS,DNS,DHCP,FTP,NAT,NFS,Imager,...) | 6 nodes | - | GigE |