[Rd] profiling C code
Torsten.Hothorn at rzmail.uni-erlangen.de
Tue Feb 21 08:28:32 CET 2006
On Mon, 20 Feb 2006, Liaw, Andy wrote:
> The last time I tried I didn't have much luck. The gprof manual I could
> find seems to indicate that it can not profile code that are dynamically
> loaded. (I was trying on Linux.) The R source seems to hint otherwise.
> I'd very much appreciate pointers as well.
I happily use `oprofile' (web page at http://oprofile.sourceforge.net/)
for profiling shared libs. You simply start a daemon, run your R code,
and get the results. `opannotate' labels lines in C source files with the
corresponding systime, very very cute.
> From: Ross Boylan
>> Does anyone have any advice about profiling C/C++ code in a package
>> under R? Does R need to be built specially for this to work?
>> The FAQ has some entries about profiling but they cover R level
>> profiling; I'm try to get at the C++ code I've written that is called
>> from R.
>> Primary target is Mac OS X.
>> Ross Boylan
>> R-devel at r-project.org mailing list
> R-devel at r-project.org mailing list
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