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RTC Hardware Overview
13-Mar-2008
286 Processors:
- 124 dual processor compute nodes, 4GB RAM per node, 900MHz clock speed.
- 4 quad processor compute nodes, 16GB RAM per node, 900MHz clock speed.
- 3 quad processor compute nodes, 16GB RAM per node, 1.3GHz clock speed.
- 2 quad processor compute node, 32GB RAM per node, 1.3GHz clock speed.
- 1 dual processor computen node, 16GB RAM per node, 1.3GHz clock speed.
- 3 dual processor login nodes, 8GB RAM per node, 900MHz and 1.3GHz clock speeds.
Processor Specifications:
- 900 MHz Intel Itanium 2 (McKinley)
- 1.3GHz Intel Itanium 2 (Madison)
- 7.2 GFlops (8 instr/cycle), peak
- 6.4 GB/s bandwidth to memory, peak
Cache Specifications:
- L1: 32 KB (16d+16i), 64 B, 4 way
- L2: 256 KB, 128 B, 8 way
- L3: 1.5 MB, 128 B, 6 way (L3 is shared by the pair of
CPUs per node
Network Interconnect:
- Myrinet on 65 dual processor nodes.
- Gigabit Ethernet on all nodes.
- 100BaseT Ethernet on all nodes for administrative use only.
Storage:
- 700 GB NFS (/users for user home directories)
- 2.5 TB NFS (/projects for group allocations)
- 5 TB PVFS (/shared.scratch temporary storage for high I/O
jobs, parallel filesystem)
- Some nodes have 25GB local storage per compute node
(/scratch, contents
deleted
when job exits).
- Some nodes have 60GB local storage per compute node
(/scratch,
contents
deleted
when job exits).
Software Stack:
- Red Hat Enterprise 4.0 with kernel 2.6.
- Intel 9.0 Compiler and Debugger.
- GNU 3.4.6 Compiler and Debugger.
- Totalview 7.3.0 parallel debugger.
- Torque 2.1.8 batch manager.
- Maui 3.2.6 batch scheduler.
- MPICH 1.2.7.
- Public software in /opt/apps.
- Private software in /users or /projects.
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