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Dell Cluster

Dell Cluster Architecture and Hardware Notes

This page gives a simple view of the Dell Cluster architecture from a users prospective.

The subsequent information should help people optimize their codes.

2 x Login nodes

Dell PowerEdge R410 1U rack-mount server

2 x Intel Xeon E5530 2.4GHz processors

24GB RAM (6 x 4GB 1066MHz)

160GB SATA2 7200 rpm disk

110 x Slave nodes (basic)

Dell PowerEdge R410 1U rack-mount server

2 x Intel Xeon E5530 2.4GHz processors

24GB RAM (6 x 4GB 1066MHz)

160GB SATA2 7200 rpm disk

4 x Slave nodes (large memory)

Dell PowerEdge R610 1U rack-mount server

2 x Intel Xeon E5530 2.4GHz processors

48GB RAM (12 x 4GB 1066MHz)

2 x 160GB SATA2 7200 rpm disk

GPU node

Tesla S1070 1U (960 cores)

Dell PowerEdge R710 2U rack-mount host workstation

2 x PCIe host interface cards (for connection with Tesla)

2 x Intel Xeon E5530 2.4GHz processors

24GB RAM (12 x 2GB 1066MHz)

3 x 300GB SAS 15K rpm disks

Interconnect

Ethernet - all nodes

Infiniband low latency high bandwidth interconnects to 36 nodes within the cluster for a total of 288 cores connected by Infiniband. A QLogic Quad Data Rate (QDR) switch and Double Data Rate (DDR) Host Channel Adapters (HCAs) are used.

Storage

2 x Dell PowerEdge R710 2U rack-mount IO nodes act as NFS file servers

2 x Intel Xeon E5530 2.4GHz processors

24GB RAM (12 x 2GB 1066MHz)

3 x146GB SAS 15K rpm disks

These IO nodes connect to a Dell MD3000 storage unit providing 36TB of shared disk.

Summary of Xeon E5530 processors

Quadcore

64bit (will also run 32 bit code)

Integrated Memory Controller providing 3 channels to DDR3 memory

L3 cache 8MB on-die shared across all cores

L2 cache 256KB per core

L1 cache (32KB for instructions and 32KB for data) per core

TLB level 1 cache holds 192 entries

TLB level 2 cache holds 512 entries

NetBurst Microarchitecture

Hyperthreading

QuickPath Interconnent connecting processors

Support for Streaming SIMD Extensions 4.2