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Technical Specifications

The following are technical specifications for Ruby. 

  Ruby System (2014)
Number oF nodes 240 nodes
Number of CPU Sockets 480 (2 sockets/node)
Number of CPU Cores 4800 (20 cores/node)
Cores per Node 20 cores/node (32 cores/node for Huge Mem Node)
Local Disk Space per Node ~850GB in /tmp, SATA
Compute CPU Specifications

Intel Xeon E5-2670 V2 (Ivy Bridge) for compute

  • 2.5 GHz 
  • 10 cores per processor
Computer Server Specifications

200 HP SL230

40 HP SL250 (for accelerator nodes)

Accelerator Specifications

20 NVIDIA Tesla K40 

  • 1.43 TF peak double-precision performance
  • 1 GK110B GPU 
  • 2880 CUDA cores
  • 12GB memory
Number of accelerator Nodes

20 total 

  • 20 NVIDIA Tesla K40 equiped nodes
Total Memory ~16TB
Memory Per Node

64GB 

Memory Per Core 3.2GB
Interconnect  FDR/EN Infiniband (56 Gbps)
Login Specifications

2 Intel Xeon E5-2670 (Sandy Bridge) CPUs

  • 2.6 GHz
  • 16 cores/node
  • 128GB of memory/node
Special Nodes

1 Huge Memory Node

  • Dell PowerEdge R820 Server
  • 4 Intel Xeon E5-4640 CPUs
    • 2.4 GHz
  • 32 cores (8 cores/CPU)
  • 1 TB Memory

 

Supercomputer: