The University of Florida
High-performance Computing & Simulation Research Lab

Delta cluster

In support of the new NSF Center for High-Performance Reconfigurable Computing (CHREC), this special 16-node Linux cluster for reconfigurable computing (RC) was made possible by very generous donations of components by Xilinx and Intel, along with very special discounts from Nallatech, Voltaire, and Mellanox. Each of the nodes in this cluster is configured follows:

3.2GHz Intel Xeon processor with EM64T, 800MHz front-side bus, 2MB L2 cache, and hyper-threading
Intel SE7520BD2 server motherboard
Dual on-board 1 Gb/s Ethernet
2GB of Registered ECC DDR333 RAM
PCI-Express slots (one x8, one x4)
PCI-X bus slots (one 133MHz, two 100MHz))
80GB SATA drive @ 7200 RPM
Intel SC5275-E server case with 600W power supply

Special features:

Each of the 16 nodes is equipped with a Nallatech H100-series Application Accelerator (H101-PCIXM), a 133MHz PCI-X card featuring a Xilinx XC4VLX100 user FPGA (supported by one XC4VLX40 and two XC2VP4 FPGAs), one bank of 512MB DDR2 SDRAM (4GB/s bandwidth), four banks of 4MB DDR2 SSRAM (2GB/s bandwidth each), and four MGT Serial I/O channels (2.5Gb/s each)
Each of the 16 nodes is equipped with a Mellanox InfiniHost III Lx (MHGS18-XTC), which is a DDR InfiniBand (20 Gb/s) PCI-Express x8 interface card
These nodes are connected to a Voltaire Grid Switch (ISR9024D-M), which is a 24-port DDR InfiniBand switch, forming the cluster's data network (GigE is its control network)

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