These are the results for system 2 System 2 specifications Component Description Processor Intel Pentium 4M 1.7 GHz RAM 640 GB Swap 1 GB Operating System Red Hat Linux 9 Kernel 2.4.20-18.9 R 1.7.1 affy 1.3.6 for 5 arrays Reading time is : 5.37 0.51 5.94 0 0 rma() : 26.03 0.79 27.1 0 0 expresso() : 146.22 7.42 154.34 0 0 Method 1 : 31.4 1.3 33.04 0 0 Method 2 : 151.59 7.93 160.28 0 0 Method 3 : 19.06 0.74 19.88 0 0 Method 4 : 20.07 0.37 20.54 0 0 for 10 arrays Reading time is : 9.91 0.79 10.71 0 0 rma() : 32.34 0.86 33.29 0 0 expresso() : 171.51 10.08 200.77 0 0 Method 1 : 42.25 1.65 44 0 0 Method 2 : 181.42 10.87 211.48 0 0 Method 3 : 35.45 1.26 36.85 0 0 Method 4 : 34.09 0.73 34.89 0 0 for 15 arrays Reading time is : 13.97 1.23 15.21 0 0 rma() : 43.26 0.65 43.99 0 0 expresso() : 228.43 14.05 389.46 0 0 Method 1 : 57.23 1.88 59.2 0 0 Method 2 : 242.4 15.28 404.67 0 0 Method 3 : 51.6 1.78 53.79 0 0 Method 4 : 49.77 0.28 50.14 0 0 for 20 arrays Reading time is : 18.15 1.55 19.77 0 0 rma() : 54.83 0.94 55.85 0 0 expresso() : 259.47 17.56 627.32 0 0 Method 1 : 72.98 2.49 75.62 0 0 Method 2 : 277.62 19.11 647.09 0 0 Method 3 : 67.35 2.88 72.61 0 0 Method 4 : 64.09 0.69 64.96 0 0 for 25 arrays Reading time is : 21.87 2.17 24.11 0 0 rma() : 65.59 1.18 66.88 0 0 expresso() : 307.34 26.84 1104.3 0 0 Method 1 : 87.46 3.35 90.99 0 0 Method 2 : 329.21 29.01 1128.41 0 0 Method 3 : 84.95 3.68 105.72 0 0 Method 4 : 79.82 0.55 80.52 0 0 for 30 arrays Reading time is : 25.44 2.35 27.89 0 0 rma() : 76.23 6.71 84.44 0 0 expresso() : 346.05 34.52 1678.78 0 0 Method 1 : 101.67 9.06 112.33 0 0 Method 2 : 372.3 36.87 1744.07 0 0 Method 3 : 103.14 3.11 113.25 0 0 Method 4 : 96.47 0.74 97.35 0 0 for 35 arrays Reading time is : 29.7 2.86 53 0 0 rma() : 87.13 7.83 114.47 0 0 expresso() : 400.43 42.59 2574.9 0 0 Method 1 : 116.83 10.69 167.47 0 0 Method 2 : 430.62 46.08 2682.55 0 0 Method 3 : 113.09 10.44 123.8 0 0 Method 4 : 106.34 7.04 113.61 0 0 for 40 arrays Reading time is : 34.76 3.89 38.86 0 0 rma() : 94.72 9.17 104.62 0 0 Method 1 : 129.48 13.06 143.48 0 0 Method 3 : 127.55 11.87 139.56 0 0 Method 4 : 119.74 7.14 127.03 0 0 for 50 arrays Reading time is : 43.42 4.73 127.41 0 0 rma() : 114.31 11.51 170.72 0 0 Method 1 : 157.73 16.24 298.13 0 0 Method 3 : 157.89 16.35 174.81 0 0 Method 4 : 150.68 5.8 156.62 0 0 for 60 arrays Reading time is : 52.93 5.98 308.58 0 0 rma() : 136.45 13.84 363.69 0 0 Method 1 : 189.38 19.82 672.27 0 0 Method 3 : 189.06 19.58 260.84 0 0 Method 4 : 178.57 10.23 189.01 0 0 for 70 arrays Reading time is : 61.02 8.33 489.28 0 0 rma() : 163.72 15.82 758.2 0 0 Method 1 : 224.74 24.15 1247.48 0 0 Method 3 : 243.72 21.1 278.75 0 0 Method 4 : 211.15 12.39 223.81 0 0 for 80 arrays Reading time is : 69.37 10.01 606.88 0 0 rma() : 187.66 18.71 1131.76 0 0 Method 1 : 257.03 28.72 1738.64 0 0 Method 3 : 275.58 25.25 359.88 0 0 Method 4 : 241.94 13.33 255.99 0 0 for 90 arrays Reading time is : 78.44 14.8 871.76 0 0 rma() : 216.14 19.25 1384.39 0 0 Method 1 : 294.58 34.05 2256.15 0 0 Method 3 : 305.97 27.89 393.73 0 0 Method 4 : 271.19 15.71 287.93 0 0 for 100 arrays Method 3 : 334.11 32.67 435.42 0 0 Method 4 : 294.94 18.08 313.9 0 0 for 125 arrays Method 3 : 415.64 43.75 649.41 0 0 Method 4 : 393.8 21.12 470.33 0 0 for 150 arrays Method 3 : 508.49 50.66 812.56 0 0 Method 4 : 469.62 24.91 706.42 0 0 for 175 arrays Method 3 : 598.18 58.84 976.76 0 0 Method 4 : 541.57 33.5 845.67 0 0 for 200 arrays Method 3 : 672.65 72.42 1435.81 0 0 Method 4 : 619.55 36.77 957.63 0 0 for 250 arrays Method 4 : 772.49 60.79 2578.11 0 0 for 300 arrays Method 4 : 952.3 73.54 4526.76 0 0 for 350 arrays Method 4 : 1105.95 96.91 11640.77 0 0