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Quoting Geoffrey Young <geoff@modperlcookbook.org>:
> Berthoff, Tom wrote:
> > Hi,
[...]
> > Can anyone suggest techniques for further optimizing (meaning increasing
> > the scanning speed of and reducing the system resources consumed by) the
> > following:
>
> others are probably more versed in file io and idiomatic shortcuts than
> I am, so they can give you some suggestions there. however, I'd start
> with a code profiler so that you actually understand where your
> bottlenecks are and aren't trying to optimize in all the wrong places.
>
> the two perl ones are
>
> http://search.cpan.org/dist/DProf/
> http://search.cpan.org/dist/Devel-Profiler/
I would also suggest Devel::SmallProf, which gives a line-by-line analysis of
where time is being spent.
Accurately measurement is the first and most important step in improving
performance, as it gets you started in the right direction.
--
Eric
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