Provided through the NSF award "GPU Cluster for Computing Research" (CNS 0958354) the Center for Computational Mathematics operates Colibri. It is a high performance computing cluster which provides service to the Mathematics and Statistical Science Department at the University of Colorado Denver. The Colibri Cluster is loacted in the basement of the Auraria Science Building on the Auraria Campus.


Site: University of Colorado Denver
System URL:
GPU Nodes: 24 Compute nodes + 1 Head node
Total CPU cores 384
Total CPU Memory 1,536 GB
Total CUDA cores 12,288
Total GPU Memory 288 GB
Theoretical Peak: 39.942 TFlop/s
CPU Peak: 7.992 TFlop/s
GPU Peak: 31.95 TFlop/s
CPUs/Node: 2x Intel Xeon E5-2670 Sandy Bridge
Clock Speed 2.6 Ghz
Max Turbo Frequency 3.3 Ghz
Theoretcical Peak 333 GFlop/s (2.6 Ghz X 2 processors X 8 cores X 8)
Memory Size 8x 8 GB DDR3-1600 (64 GB/Node)
Memory Bandwith 51.2 GB/s
GPUs/Node: 2x NVIDIA Tesla M2090
Peak (double precision) 665 GFlop/s
Peak (single precision) 1331 GFlop/s
Memory Bandwith 177 GB/s
Memory Size 6 GB
CUDA Cores 512
Interconnect: InfiniBand 4X QDR
Management Software: Insight CMU 7.0
Operating System: RHEL 6.2