# Test of the system floating point performance: # Linux cluster42 2.6.32-71.29.1.el6.x86_64 #1 SMP Tue May 10 17:35:18 CDT 2011 x86_64 x86_64 x86_64 GNU/Linux # CPU model name : AMD Opteron(tm) Processor 6168 # cache size : 512 KB # CPU(s):24 # GNU Fortran (GCC) 4.4.5 20110214 (Red Hat 4.4.5-6) # p N=2**p x=Sum(j,-N,N) kind(x) Time(sec) 10 1024 0.0000000000000000 8 1.70570239424705505E-003 11 2048 0.0000000000000000 8 2.51941382884979248E-005 12 4096 0.0000000000000000 8 1.80043280124664307E-005 13 8192 0.0000000000000000 8 1.81980431079864502E-005 14 16384 0.0000000000000000 8 1.89058482646942139E-005 15 32768 0.0000000000000000 8 2.21990048885345459E-005 16 65536 0.0000000000000000 8 2.76938080787658691E-005 17 131072 0.0000000000000000 8 4.14475798606872559E-005 18 262144 0.0000000000000000 8 6.16461038589477539E-005 19 524288 0.0000000000000000 8 1.07701867818832397E-004 20 1048576 0.0000000000000000 8 2.28870660066604614E-004 21 2097152 0.0000000000000000 8 3.95815819501876831E-004 22 4194304 0.0000000000000000 8 7.59653747081756592E-004 23 8388608 0.0000000000000000 8 1.49931386113166809E-003 24 16777216 0.0000000000000000 8 2.96671688556671143E-003 25 33554432 0.0000000000000000 8 6.92058354616165161E-003 26 67108864 0.0000000000000000 8 1.28138177096843719E-002 27 134217728 0.0000000000000000 8 2.55413763225078583E-002 28 268435456 1.0000000000000000 8 4.85605672001838684E-002 29 536870912 -137253444.00000000 8 9.54197533428668976E-002 30 1073741824 -738108400.00000000 8 0.18983401358127594 31 2147483648 -1923873512.0000000 8 0.37973206490278244 32 4294967296 -4150743808.0000000 8 0.75827753916382790 33 8589934592 -8484304896.0000000 8 1.5157949477434158 34 17179869184 -17092972544.000000 8 3.0643887743353844