Flat profile:

Each sample counts as 0.01 seconds.
  %   cumulative   self              self     total           
 time   seconds   seconds    calls  us/call  us/call  name    
 49.67      3.77     3.77    10000   377.00   377.00  IFFT
 47.96      7.41     3.64    10000   364.00   364.00  FFT
  2.37      7.59     0.18    10000    18.00   759.00  example1

			Call graph


granularity: each sample hit covers 4 byte(s) for 0.13% of 7.59 seconds

index % time    self  children    called     name
                0.18    7.41   10000/10000       main [2]
[1]    100.0    0.18    7.41   10000         example1 [1]
                3.77    0.00   10000/10000       IFFT [3]
                3.64    0.00   10000/10000       FFT [4]
-----------------------------------------------
                                                 <spontaneous>
[2]    100.0    0.00    7.59                 main [2]
                0.18    7.41   10000/10000       example1 [1]
-----------------------------------------------
                3.77    0.00   10000/10000       example1 [1]
[3]     49.7    3.77    0.00   10000         IFFT [3]
-----------------------------------------------
                3.64    0.00   10000/10000       example1 [1]
[4]     48.0    3.64    0.00   10000         FFT [4]
-----------------------------------------------

Index by function name

   [4] FFT                     [3] IFFT                    [1] example1