where my program spends time?

[Vyacheslav V. Yurkov]

On 28.01.2011 10:23, Anna Sidera wrote:
> Hello,
>
> I wrote a simulation program in gcc that takes 12 hours to finish and I want to make it faster. Can you tell me any way to find what proportion of the time is spend in each line of the program? (like profile in matlab)
>
> Thanks,
> Anna
>
>    
Hi Anna,
Use valgrind (cachegrind) and/or oprofile. Note that under profiler 
program runs 20 - 100 times slower.

-- 
Yours sincerely,
Vyacheslav V. Yurkov