Flat profile:

Each sample counts as 0.01 seconds.
  %   cumulative   self              self     total           
 time   seconds   seconds    calls   s/call   s/call  name    
 39.33     25.36    25.36       10     2.54     2.54  _convol_macro
 33.48     46.95    21.59       10     2.16     2.16  _convol_old
 25.20     63.20    16.25       10     1.62     1.62  _convol_pointer
  1.99     64.48     1.28                             main
  0.00     64.48     0.00       30     0.00     2.11  convol

			Call graph


granularity: each sample hit covers 4 byte(s) for 0.02% of 64.48 seconds

index % time    self  children    called     name
                                                 <spontaneous>
[1]    100.0    1.28   63.20                 main [1]
                0.00   63.20      30/30          convol [2]
-----------------------------------------------
                0.00   63.20      30/30          main [1]
[2]     98.0    0.00   63.20      30         convol [2]
               25.36    0.00      10/10          _convol_macro [3]
               21.59    0.00      10/10          _convol_old [4]
               16.25    0.00      10/10          _convol_pointer [5]
-----------------------------------------------
               25.36    0.00      10/10          convol [2]
[3]     39.3   25.36    0.00      10         _convol_macro [3]
-----------------------------------------------
               21.59    0.00      10/10          convol [2]
[4]     33.5   21.59    0.00      10         _convol_old [4]
-----------------------------------------------
               16.25    0.00      10/10          convol [2]
[5]     25.2   16.25    0.00      10         _convol_pointer [5]
-----------------------------------------------

Index by function name

   [3] _convol_macro           [5] _convol_pointer         [1] main
   [4] _convol_old             [2] convol