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A team of computational engineers at the University of Southampton has built a working supercomputer-like cluster out of 64 Raspberry Pi boards.
The cluster sits on racks made of Lego, runs off a standard mains socket, and has a total memory of 1TB, derived from 16GB SD cards on each Raspberry Pi. Its total cost was £2,500.
"As soon as we were able to source sufficient Raspberry Pi computers, we wanted to see if it was possible to link them together into a supercomputer," said Professor Simon Cox, who led the project and even enlisted the help of his six-year-old son James in the design.
The computer uses a system called MPI (Message Passing Interface) to communicate between nodes using Ethernet. According to Professor Cox, the machine's first task was to calculate Pi on the Raspberry Pi using MPI.
Image: University of Southampton