Flat profile:

Each sample counts as 0.01 seconds.
  %   cumulative   self              self     total           
 time   seconds   seconds    calls  us/call  us/call  name    
 50.00      0.78     0.78    10000    78.00    78.00  IFFT
 48.08      1.53     0.75    10000    75.00    75.00  FFT
  1.92      1.56     0.03    10000     3.00   156.00  example1

			Call graph


granularity: each sample hit covers 4 byte(s) for 0.64% of 1.56 seconds

index % time    self  children    called     name
                0.03    1.53   10000/10000       main [2]
[1]    100.0    0.03    1.53   10000         example1 [1]
                0.78    0.00   10000/10000       IFFT [3]
                0.75    0.00   10000/10000       FFT [4]
-----------------------------------------------
                                                 <spontaneous>
[2]    100.0    0.00    1.56                 main [2]
                0.03    1.53   10000/10000       example1 [1]
-----------------------------------------------
                0.78    0.00   10000/10000       example1 [1]
[3]     50.0    0.78    0.00   10000         IFFT [3]
-----------------------------------------------
                0.75    0.00   10000/10000       example1 [1]
[4]     48.1    0.75    0.00   10000         FFT [4]
-----------------------------------------------

Index by function name

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