Result of fib 39 mruby (git commit dec4ec694b5496939ee93a706a6bba95ddbf2b9e) Linux ubuntu 2.6.32-41-generic #90-Ubuntu SMP Tue May 22 11:31:25 UTC 2012 i686 GNU/Linux gcc version 4.4.3 (Ubuntu 4.4.3-4ubuntu5.1)

prof.log

Flat profile:

Each sample counts as 0.01 seconds.
  %   cumulative   self              self     total           
 time   seconds   seconds    calls   s/call   s/call  name    
 72.02     31.53    31.53        4     7.88    10.82  mrb_run
  6.28     34.28     2.75 204668368     0.00     0.00  stack_clear
  5.66     36.76     2.48 204668367     0.00     0.00  mrb_method_search_vm
  4.82     38.87     2.11 204668412     0.00     0.00  kh_get_mt
  4.68     40.92     2.05 204668391     0.00     0.00  cipush
  2.91     42.20     1.27 204668372     0.00     0.00  stack_extend
  1.23     42.73     0.54 204668391     0.00     0.00  cipop
  0.71     43.05     0.31 204668356     0.00     0.00  mrb_class
  0.32     43.19     0.14                             ecall
  0.32     43.33     0.14                             value_move
  0.21     43.41     0.09       23     0.00     0.00  stack_copy
  0.19     43.50     0.09                             uvenv
  0.18     43.58     0.08 102334841     0.00     0.00  mrb_gc_arena_restore
  0.18     43.66     0.08                             top_env
  0.14     43.72     0.06       23     0.00     0.00  mrb_nil_value
  0.07     43.75     0.03      600     0.00     0.00  mrb_field_write_barrier
  0.07     43.78     0.03       11     0.00     0.00  mrb_method_search
  0.00     43.78     0.00     3545     0.00     0.00  allocf
(cut off)