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Loki - What's Inside


Hardware

Each node consists of:

Each node is directly connected to four others using crossed Category-5 stranded cable to form a hypercube network. The hypercube is augmented with two 3Com SuperStack II Switch 3000 TX 8-port Fast Ethernet switches, which also provide connectivity to the front-end. Uniterruptible power is provided by an APC Smart-UPS 2200.

For Supercomputing '96, each node has an added D-Link DFE-500TX 100 Mb Fast Ethernet Adapter, which provides connectivity to the Caltech machine.


Software

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Each node is running Linux. We use the standard Linux software tools and the GNU programming tools. The kernel has not been modified from its form in the Linux distribution.

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