Floating Point Operations in CUDA Count no of floating point operation


I am working on CUDA 2.1 on MAC OS 10.5.6

I have made one program in cuda (like FFT 1D Complex to Complex transformation).

now i want to calculate or count how many floating point operations to be done in my program so .what to do .

any code or function for that .

Pls .help

can we use CUDA visual profiler for CUDA 2.1 on MAC OS ?
if yes then how to use with own program ?

Thanks & regards

Khyati Shah