# Test of the system floating point performance: # Linux cluster23.inr.ac.ru 2.6.18-194.8.1.el5 #1 SMP Thu Jul 1 16:05:53 EDT 2010 x86_64 x86_64 x86_64 GNU/Linux # CPU model name : Dual-Core AMD Opteron(tm) Processor 8214 # cache size : 1024 KB # CPU(s):8 # GNU Fortran (GCC) 4.1.2 20080704 (Red Hat 4.1.2-48) # p N=2**p x=Sum(j,-N,N) kind(x) Time(sec) 10 1024 0.00000000000000 8 2.000003587454557E-005 11 2048 0.00000000000000 8 1.099996734410524E-005 12 4096 0.00000000000000 8 1.700001303106546E-005 13 8192 0.00000000000000 8 3.200001083314419E-005 14 16384 0.00000000000000 8 6.399990525096655E-005 15 32768 0.00000000000000 8 1.209999900311232E-004 16 65536 0.00000000000000 8 2.400000812485814E-004 17 131072 0.00000000000000 8 4.770000232383609E-004 18 262144 0.00000000000000 8 9.530000388622284E-004 19 524288 0.00000000000000 8 1.903000054880977E-003 20 1048576 0.00000000000000 8 3.799999947659671E-003 21 2097152 0.00000000000000 8 7.597999996505678E-003 22 4194304 0.00000000000000 8 1.519299997016788E-002 23 8388608 0.00000000000000 8 3.048499999567866E-002 24 16777216 0.00000000000000 8 6.076100002974272E-002 25 33554432 0.00000000000000 8 0.121459000045434 26 67108864 0.00000000000000 8 0.243045000010170 27 134217728 -11585.0000000000 8 0.486170000047423 28 268435456 -232471923.000000 8 0.972056000027806 29 536870912 -519822953.000000 8 1.94445599999744 30 1073741824 -1065319903.00000 8 3.88881000003312 31 2147483648 -2143284860.00000 8 7.77885800006334 32 4294967296 -4292867744.00000 8 15.5529510000488 33 8589934592 -8588876000.00000 8 31.1070420000469 34 17179869184 -17179339772.0000 8 62.2096910000546