Computer_System Date_Rcvd Number_PEs Time(Sec) Ratio_C90/1 24 9> 10N 9N 11N Cray C90 Dec 93 1 648.5 1.00 Cray C90 Dec 93 4 166.1 3.9 Cray C90 Dec 93 16 51.6 12.6 Cray T3D Feb 94 128 211.6 3.1 Cray T3D Feb 94 256 119.5 5.4 Intel Paragon (OSF1.1) Nov 93 102 1587.8 0.4 Intel Paragon (OSF1.1) Nov 93 204 910.4 0.7 Thinking Machines CM-5E Feb 94 32 595.0 1.1 Thinking Machines CM-5E Feb 94 64 367.0 1.8 Thinking Machines CM-5E Feb 94 128 318.0 2.0 .