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Ahalama cluster technical summary
Hardware
& Networking
- Architecture
- x86_64
- System
-
Dell PowerEdge C6100
dual socket, hexa-core processor
24GB DDR2 memory - Peak FLOPs
-
20 TFlops
Rmax: 15.6 TFlops (over 75% efficiency) - Number of nodes
- 42
- Number of CPUs (cores)
- 84 (504)
- Processor
-
Intel E5645
hexa-core 2.4GHz
1333MHz FSB, 12MB - Memory
-
24GB/node (2GB/core)
DDR2 - Network interconnect
- 1 GbE
- Parallel filesystem
-
NAS (32TB netto)
24 x 2 TB disk spindles (48TB gross)
Software
- Operating System
- Scientific Linux
- Compilers
- Intel/GNU: Fortran C C++
- Development/Libraries
-
MPI (Intel, MVAPICH, OpenMPI,
LAM-MPI)
Intel Math kernel library
Intel Trace Analyzer and Collector, VTune Analyzer - Scheduler
- SGE
Network Diagram
