Computer_System Date_Rcvd Number_PEs Time(Sec) Ratio_C90/1 24 9> 10N 9N 11N Cray C90 Dec 93 1 713.1 1.00 Cray C90 Dec 93 4 203.1 3.5 Cray C90 Dec 93 16 80.4 8.9 Cray T3D Feb 94 128 224.7 3.2 Cray T3D Feb 94 256 124.2 5.7 Intel Paragon (OSF1.1) Nov 93 102 708.0 1.0 Intel Paragon (OSF1.1) Nov 93 204 494.5 1.4 Thinking Machines CM-5E Feb 94 32 1014.0 0.7 Thinking Machines CM-5E Feb 94 64 595.0 1.2 Thinking Machines CM-5E Feb 94 128 320.0 2.2 .