gcc version 4.4.3 (Ubuntu 4.4.3-4ubuntu5.1) 
extra flags:
meh: 1635550270 4081940 288998848
0:32.54 32.54 real 30.50 user 1.97 sys 99% CPU 0/1394855 faults
   text    data     bss     dec     hex filename
   5456     688 3840032 3846176  3ab020 sdriver
gcc version 4.7.2 (Debian 4.7.2-4) 
extra flags:
meh: 1635550270 4081940 288998848
0:42.86 42.86 real 40.21 user 2.56 sys 99% CPU 0/2101681 faults
   text    data     bss     dec     hex filename
   6822     760 3840032 3847614  3ab5be sdriver
gcc version 4.7.2 (Debian 4.7.2-4) 
extra flags: -DCRA_USE_TR1
meh: 1635550270 4081940 288998848
0:32.27 32.27 real 30.29 user 1.92 sys 99% CPU 0/1394853 faults
   text    data     bss     dec     hex filename
   5426     736 3840032 3846194  3ab032 sdriver