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Mac Forum / Programming / Mac Programming / April 2008profiling with saturn
Hello everyone, I'm trying to get Saturn to work with my C++ code but I don't think I can make it without some help. I followed the manual, added the compiler flag - finstrument-functions (I'm on an intel mac) but for some reason the code takes way too much time to run, and creates a 65GB file that I cannot even open because it's too big. I don't think that this is the default behavior so I guess I'm missing something. Can someone point out what I'm doing wrong? Thank you all, aa > Hello everyone, > [quoted text clipped - 6 lines] > I don't think that this is the default behavior so I guess I'm missing > something. Can someone point out what I'm doing wrong? Thank you all, Is there some reason why you can't just use Shark ? Paul >> Hello everyone, >> [quoted text clipped - 5 lines] > >Paul I guess I'm used to the gprof style of profiling, and I don't know if Shark will give me the same information. aa >>> Hello everyone, >>> [quoted text clipped - 7 lines] > I guess I'm used to the gprof style of profiling, and I don't know if Shark > will give me the same information. Well you might want to give Shark a whirl. There is no need to instrument your code - just build with -g to get debug symbols in your code and you're away. Shark is most commonly used to do time-based (sampled) profiling but it can do a whole bunch of other useful stuff too. Very easy to use, very slick. Paul >>>> Hello everyone, >>>> [quoted text clipped - 9 lines] > >Paul Well, I'll give it a try then, thanks for replying. >>>>> Hello everyone, >>>>> [quoted text clipped - 10 lines] > > Well, I'll give it a try then, thanks for replying. You're welcome. If you have any further problems with profiling, performance, or any of the CHUD tools then you might want to check out the PerfOptimization-dev mailing list at http://lists.apple.com. There are a number of Apple engineers on the list, traffic is low and signal-to-noise ratio is good. Good luck, Paul |
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