43 Background Japanese Earth Simulator World's Most Powerful Computer  640 nodes x 8 vector processors per node = 5,120 processors  8 gflops peak per processor = 40.96 teraflops peak  10.24 terabytes of memory  640 x 640 single stage crossbar switch Performance  LinPack Benchmark: 35.86 teraflops  Atmospheric Global Circulation Model: 26.58 teraflops (T1279L96)  Plasma Simulation Code (IMPACT- 3D): 14.9 tflops on 512 nodes
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