Tera 100 is a supercomputer built by Bull SA for the French Commissariat à l'Énergie Atomique.
It was turned on on May 26, 2010. The computer, which is located in Essonne is able to sustain around 1 petaFLOPs maximum performance and a peak at 1.25 petaFLOPs. It has 4300 Bullx Series S servers ('Mesca'), 140,000 Intel Xeon 7500 processor cores, 300 TB of memory. The Interconnect is QDR InfiniBand. The file system has a throughput of 500 GB/s and total storage of 20 PB.[1] It uses the SLURM resource manager for scheduling batch jobs.[2]
Tera 100 uses Bull XBAS Linux, a Red Hat Enterprise Linux derivative.[2]
As of June 2011, TOP500 deems it the ninth fastest supercomputer in the world.