Sure.

However, dealing with primitive (or native code) has always been a  
challenge to profile...
thanks Tim for your comment.

Cheers,
Alexandre


On Oct 29, 2005, at 7:50 PM, tim Rowledge wrote:

> If you're attempting a serious attack on profiling you ought to  
> include some time looking at how to make profiling work in the face  
> of long running primitives. The profiles we get when using  
> TimeProfiler et al can be quite innaccurate if the code being  
> profiled uses prims that take a long time; the process that  
> interrupts to sample the subject code cannot actually interrupt  
> inside such a long prim.
>
> I forget how it was tackled but VW has some code to try to improve  
> the value of the results, or used to. It is possible that later  
> changes have obviated the problem or changed it beyond obvious  
> similarity.
>
>
> tim
> -- 
> tim Rowledge; tim at rowledge.org; http://www.rowledge.org/tim
>
>
>
>

-- 
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Alexandre Bergel  http://www.iam.unibe.ch/~bergel
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