processor : 0 vendor_id : GenuineIntel cpu family : 15 model : 0 model name : Intel(R) Pentium(R) 4 CPU 1500MHz stepping : 10 cpu MHz : 1495.328 cache size : 256 KB 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 clflush dts acpi mmx fxsr sse sse2 ss ht tm bogomips : 2940.92 Wed Nov 23 11:20:54 EST 2005 Linux Knoppix 2.6.12 #2 SMP Tue Aug 9 23:20:52 CEST 2005 i686 GNU/Linux Knoppix ================================================================= - - - - - - - - - - - - - - - - - - - - - - - - - - - - - /usr/bin/cc subnormal_timetest.c -O total slow: 321.361783009372 fast: 2.625043905922 slow/fast=122.421489 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - /usr/bin/gcc subnormal_timetest.c -O total slow: 321.249688010430 fast: 2.619982041186 slow/fast=122.615225 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - /usr/bin/cc subnormal_timetest.c -ffast-math total slow: 326.388962984085 fast: 2.748310089111 slow/fast=118.759875 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - /usr/bin/gcc subnormal_timetest.c -ffast-math total slow: 326.385583162308 fast: 2.748987197876 slow/fast=118.729394 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - /usr/bin/cc subnormal_timetest.c -O3 total slow: 322.072524969582 fast: 2.482404028648 slow/fast=129.742186 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - /usr/bin/gcc subnormal_timetest.c -O3 total slow: 321.313637032988 fast: 2.475807977258 slow/fast=129.781324 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - /usr/bin/cc subnormal_timetest.c -O2 total slow: 321.219927952858 fast: 2.476649882388 slow/fast=129.699369 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - /usr/bin/gcc subnormal_timetest.c -O2 total slow: 321.242944915197 fast: 2.474293947802 slow/fast=129.832167 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - /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: 326.385223865509 fast: 2.757392883301 slow/fast=118.367327 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - /usr/bin/gcc subnormal_timetest.c total slow: 326.373341083527 fast: 2.752706050873 slow/fast=118.564545