Computer_System Date_Rcvd Number_PEs Time(Sec) Ratio_C90/1 24 9> 10N 9N 11N Cray C90 Dec 93 1 12.92 1.00 Cray C90 Dec 93 4 3.30 3.9 Cray C90 Dec 93 16 0.98 13.7 Cray T3D Feb 94 128 7.70 1.7 Cray T3D Feb 94 256 3.82 3.4 Intel Paragon (OSF1.1) Nov 93 64 56.3 0.2 Thinking Machines CM-5E Feb 94 32 32.0 0.4 Thinking Machines CM-5E Feb 94 64 16.4 0.8 Thinking Machines CM-5E Feb 94 128 8.4 1.5 .