Bio-X² cluster technical summary

Hardware & Networking

Architecture

IA32-EM64T, x86_64

System

Dell PowerEdge 1950
dual socket, quad-core processor
16GB ECC DDR2 memory

Peak FLOPs

20.6 TFlops
Rmax: 15.6 TFlops (over 75% efficiency)

Number of nodes

276

Number of CPUs (cores)

552 (2,208)

Processor

Intel E5345 (Clovertown)
quad-core 2.33GHz
1333MHz FSB, 8MB L2

Memory

16GB/node (2GB/core)
DDR2

Network interconnect

InfiniBand 4xDDR

Parallel filesystem

Lustre (56TB)
2 high-available meta-data servers (MDS)
8 object storage servers (OSS)
248 disk spindles (1xMD3000, 16xMD1000)

Software

Operating System

Redhat Enterprise Linux 4
Platform Open Cluster Stack
Linux 2.6.9

Compilers

Intel/GNU: Fortran C C++

Developpement/Libraries

MPI (Intel, MVAPICH, OpenMPI, LAM-MPI)
Intel Math kernel library
Intel Trace Analyzer and Collector, VTune Analyzer

Scheduler

Platform LSF

Network Diagram