hotspot profiler experience and accuracy?

[Irmen de Jong]

aurora wrote:

> But the numbers look skeptical. Hotspot claim 71.166 CPU seconds but 
> the  actual elapsed time is only 54s. When measuring elapsed time 
> instead of  CPU time the performance gain is only 13% with the profiler 
> running and  down to 10% when not using the profiler.
> 
> Is there something I misunderstood in reading the numbers?

Well, I'm confused too. Look at my post from a few months ago:
   http://tinyurl.com/6awzj
(note that my code contained a few errors and that you need
to use the fixed code that I posted a few replies later).

Perhaps somebody can explain a bit more about this this time? :-)

At the moment, frankly, hotspot seems rather useless.

--Irmen