1] Jaguar, Oak Ridge National Laboratory, US. (1.759 petaflops; 224,162 processors)
2] Roadrunner, Los Alamos National Laboratory, US (1.042 petaflops; 122,400 processors)
3] Kraken XT5, University of Tennessee, US(831.7 teraflops; 98,928 processors)
4] Jugene, Forschungszentrum Juelich, Germany (835.5 teraflops; 294,912 processors)
5] Tianhe-1, National SuperComputer Center, China (563.1 teraflops; 71,680 processors)
