On Thu, 05 Nov 2009 21:59:40 +0100, Ignoramus11615
<ignoramus11...@nospam.11615.invalid> 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
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