processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 7 model name : Pentium III (Katmai) stepping : 2 cpu MHz : 497.841 cache size : 512 KB physical id : 0 siblings : 1 fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 2 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 mmx fxsr sse bogomips : 992.87 processor : 1 vendor_id : GenuineIntel cpu family : 6 model : 7 model name : Pentium III (Katmai) stepping : 2 cpu MHz : 497.841 cache size : 512 KB physical id : 0 siblings : 1 fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 2 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 mmx fxsr sse bogomips : 992.87 Thu Sep 29 13:48:07 CDT 2005 Linux posic.ncsa.uiuc.edu 2.4.20-8smp #1 SMP Thu Mar 13 17:45:54 EST 2003 i686 i 686 i386 GNU/Linux posic.ncsa.uiuc.edu ================================================================= - - - - - - - - - - - - - - - - - - - - - - - - - - - - - /usr/bin/cc subnormal_timetest.c -O total slow: 97.184064921574 fast: 6.743519106880 slow/fast=14.411476 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - /usr/bin/gcc subnormal_timetest.c -O total slow: 100.045824049274 fast: 7.011389053194 slow/fast=14.269045 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - /usr/bin/cc subnormal_timetest.c -ffast-math total slow: 103.955607891083 fast: 7.499833106995 slow/fast=13.861056 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - /usr/bin/gcc subnormal_timetest.c -ffast-math total slow: 103.230802059174 fast: 7.110378980637 slow/fast=14.518326 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - /usr/bin/cc subnormal_timetest.c -O3 total slow: 96.399125987780 fast: 7.069822110701 slow/fast=13.635297 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - /usr/bin/gcc subnormal_timetest.c -O3 total slow: 96.941210973309 fast: 7.291479097214 slow/fast=13.295137 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - /usr/bin/cc subnormal_timetest.c -O2 total slow: 95.658903088071 fast: 7.406996035948 slow/fast=12.914669 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - /usr/bin/gcc subnormal_timetest.c -O2 total slow: 95.247973917751 fast: 7.616166015621 slow/fast=12.506026 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - /usr/bin/cc subnormal_timetest.c -mieee - - - - - - - - - - - - - - - - - - - - - - - - - - - - - /usr/bin/gcc subnormal_timetest.c -mieee - - - - - - - - - - - - - - - - - - - - - - - - - - - - - /usr/bin/cc subnormal_timetest.c -mieee-with-inexact - - - - - - - - - - - - - - - - - - - - - - - - - - - - - /usr/bin/gcc subnormal_timetest.c -mieee-with-inexact - - - - - - - - - - - - - - - - - - - - - - - - - - - - - /usr/bin/cc subnormal_timetest.c -mfp-trap-mode=u - - - - - - - - - - - - - - - - - - - - - - - - - - - - - /usr/bin/gcc subnormal_timetest.c -mfp-trap-mode=u - - - - - - - - - - - - - - - - - - - - - - - - - - - - - /usr/bin/cc subnormal_timetest.c -mieee-conformant - - - - - - - - - - - - - - - - - - - - - - - - - - - - - /usr/bin/gcc subnormal_timetest.c -mieee-conformant - - - - - - - - - - - - - - - - - - - - - - - - - - - - - /usr/bin/cc subnormal_timetest.c total slow: 104.592375040054 fast: 8.119456052780 slow/fast=12.881697 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - /usr/bin/gcc subnormal_timetest.c total slow: 105.384555101395 fast: 7.313832044601 slow/fast=14.408938