Computer_System Date_Rcvd Number_PEs Time(Sec) Ratio_YMP/1 24 9> 10N 9N 11N Cray C90 Feb 94 1 23.79* 5.3* Cray C90 Feb 94 4 6.01* 21.0* Cray C90 Feb 94 16 1.55* 81.4* Cray T3D Feb 94 32 10.69* 11.8* Cray T3D Feb 94 64 5.36* 23.5* Cray T3D Feb 94 128 2.67* 47.3* Cray T3D Feb 94 256 1.34* 94.2* Cray Y-MP EL Feb 94 1 228.7* 0.6* Cray Y-MP EL Feb 94 4 58.8* 2.1* Cray Y-MP EL Feb 94 8 30.9* 4.1* Fujitsu VPP500 Feb 94 1 48.45 2.6 Fujitsu VPP500 Feb 94 4 12.36 10.2 Fujitsu VPP500 Feb 94 16 3.17 39.8 IBM RS/6000-590 Feb 94 1 68.10* 1.9* IBM SP-1 Feb 94 8 13.77* 9.2* IBM SP-1 Feb 94 16 6.92* 18.2* IBM SP-1 Feb 94 32 3.48* 36.3* IBM SP-1 Feb 94 64 1.72* 73.4* Intel Paragon (OSF1.2) Feb 94 64 13.03 9.7 Intel Paragon (OSF1.2) Feb 94 128 6.54 19.3 Intel Paragon (OSF1.2) Feb 94 256 3.31 38.1 Intel Paragon (OSF1.2) Feb 94 512 1.72 73.4 Intel Paragon (SunMos) Feb 94 64 12.76 9.9 Intel Paragon (SunMos) Feb 94 128 6.30 20.0 Intel Paragon (SunMos) Feb 94 256 3.23 39.1 Intel Paragon (SunMos) Feb 94 512 1.60 78.9 Kendall Square KSR1 Oct 93 16 101.9 1.2 Kendall Square KSR1 Oct 93 32 51.4 2.5 Kendall Square KSR1 Oct 93 64 26.0 4.9 Kendall Square KSR1 Oct 93 128 12.8 9.9 Kendall Square KSR2 Feb 94 32 24.8 5.1 Kyoto/Matsushita ADENART Feb 94 256 32.9 3.8 Thinking Machines CM-5E Feb 94 32 11.5 11.0 Thinking Machines CM-5E Feb 94 64 5.7 22.1 Thinking Machines CM-5E Feb 94 128 3.0 42.1 IBM Cluster Jan 94 9 589 0.2 .