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11-05-2009, 11:48 PM
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Re: Profiling under Linux
On Thu, 05 Nov 2009 21:59:40 +0100, Ignoramus11615
<> wrote: > I have a C++ program that is slower than I would like. > > I would like to use a profiler that would tell me in what functions is > it spending the most actual time. > > gprof seems like an interesting tool, but I would like to know if > there are other alternatives. There are alternatives, among others: - oprofile, which gives coarse, but based on real performance data (taken from the performance counters in the CPU) - valgrind --tool=callgrind, which gives very detailed data, which are however based on simulation None of these require you to recompile the program. > The issue is that I have a particular program that is slower under > Windows than it is under Linux, and I want to know why that is the > case. I'm afraid profiling on Linux won't show you why it's slower on Windows. Regards Jiri Palecek Jiří Paleček |
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