Note that this reference documentation is identical to the help that is displayed in MATLAB when you type “help ft_realtime_benchmark”.

  FT_REALTIME_BENCHMARK times the reading and writing of data
 
  Use as
    ft_realtime_benchmark(target)
  where target is the location of the buffer or the file, for
  example 'buffer://localhost:1972'
 
  Please note that any data in the target will be overwritten.