We have experience with message-passing and data parallel programming. We are currently using some the world's fastest unclassified supercomputers including the NERSC Cray XT4 and ORNL Cray XT5.

The No. 8 system is a Cray XT4 system installed at DOE's Oak Ridge National Laboratory. It achieved a Linpack performance of 205 Tflop/s. In ninth place is the enlarged Sandia/Cray Red Storm ...