Computer_System Date_Rcvd Number_PEs Time(Sec) Ratio_C90/1 24 9> 10N 9N 11N Cray C90 Dec 93 1 37.77 1.00 Cray C90 Dec 93 4 9.71 3.9 Cray C90 Dec 93 16 3.97 9.5 Cray T3D Feb 94 128 7.57 5.1 Cray T3D Feb 94 256 4.08 9.3 Fujitsu VPP500 Feb 94 4 8.65 4.4 Fujitsu VPP500 Feb 94 8 5.36 7.0 Fujitsu VPP500 Feb 94 16 3.81 9.9 Intel Paragon (OSF1.1) Nov 93 128 26.82 1.4 Intel Paragon (OSF1.1) Nov 93 256 19.14 2.0 Intel Paragon (SunMos) Feb 94 64 43.02 0.9 Intel Paragon (SunMos) Feb 94 128 24.15 1.6 Intel Paragon (SunMos) Feb 94 256 16.74 2.3 Thinking Machines CM-5E Feb 94 32 20.9 1.8 Thinking Machines CM-5E Feb 94 64 11.3 3.3 Thinking Machines CM-5E Feb 94 128 6.7 5.6 .