Bull : not one but two!
There is apparently a confusion between Tera 100 and CURIE. These are two different petaflopic supercompters designed and built by Bull.
Tera 100 features 140 00 Intel Xeon "Nehalem EX" processors and delivers a peak performance of 1.25 pflops, and a linpack performance of 1.05. It's today operational and used for rechearch in Defense / nuclear applications.
CURIE has a peak performance of 1.6 pflops. It will features 90 000 cores of Sand Bridge Xeon processors. It will operational in 2011 and used for civil research in the framework of PRACE consortium.