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Node and GPU Configuration

Compute Nodes

Dirac is a 50 GPU node cluster connected with QDR IB.  Each GPU node also contains 2 Intel 5530 2.4 GHz, 8MB cache, 5.86GT/sec QPI Quad core Nehalem processors (8 cores per node) and 24GB DDR3-1066 Reg ECC memory.

  •  44 nodes:  1 NVIDIA Tesla C2050 (code named Fermi) GPU with 3GB of memory and 448 parallel CUDA processor cores. 
  • 4 nodes:  1 C1060 NVIDIA Tesla GPU with 4GB of memory and 240 parallel CUDA processor cores.
  • 1 node:  4 NVIDIA Tesla C2050 (Fermi) GPU's, each with 3GB of memory and 448 parallel CUDA processor cores.
  •  1 node:  4 C1060 Nvidia Tesla GPU's, each with 4GB of memory and 240 parallel CUDA processor cores.

Fermi Chip

Specifications

Form Factor 9.75" PCIe x16 form factor
# of Tesla GPUs 1
# of CUDA Core 448
Frequency of CUDA Cores 1.15 GHz
Double Precision floating point performance (peak) 515 Gflops
Single Precision floating point performance (peak) 1.03 Tflops
Total Dedicated Memory*
Tesla C2050
Tesla C2070

3GB GDDR5
6GB GDDR5
Memory Speed 1.5 GHz
Memory Interface 384-bit
Memory Bandwidth 144 GB/sec
Power Consumption
Tesla C2050

238W TDP
System Interface PCIe x16 Gen2
Thermal Solution Active Fansink
Display support
Dual-Link DVI-I
Maximum Display Resolution @ 60Hz

1
2560x1600
Software Development Tools CUDA C/C++/Fortran, OpenCL, DirectCompute Toolkits. NVIDIA Parallel Nsight™ for Visual Studio

 

Further Information

NVIDIA whitepaper is available to learn more about Fermi.