Computer_System Date_Rcvd Number_PEs Time(Sec) Ratio_YMP/1 24 9> 10N 9N 11N Cray T3D Feb 94 32 178.0 1.9 Cray T3D Feb 94 64 96.8 3.4 Cray T3D Feb 94 128 51.2 6.5 Cray T3D Feb 94 256 28.1 11.9 IBM RS/6000-590 Feb 94 1 787.0 0.4 IBM SP-1 Feb 94 8 291.4 1.1 IBM SP-1 Feb 94 16 172.9 1.9 IBM SP-1 Feb 94 32 101.8 3.3 IBM SP-1 Feb 94 64 63.2 5.3 Intel Paragon (SunMos) Nov 93 64 338.0 1.0 Kendall Square KSR1 Feb 94 32 341 1.0 Kendall Square KSR1 Feb 94 64 199 1.7 Kendall Square KSR1 Feb 94 128 155 2.2 Kendall Square KSR2 Feb 94 32 172 1.9 Kyoto/Matsushita ADENART Feb 94 256 327.5 1.0 Thinking Machines CM-5E Feb 94 32 152.0 2.2 Thinking Machines CM-5E Feb 94 64 97.0 3.4 Thinking Machines CM-5E Feb 94 128 65.0 5.1 .