Perl slowness

Perl slowness

Noam Meltzer tsnoam at gmail.com
Tue Sep 8 17:27:04 IDT 2009


the time output does looks like you have higher cpu usage for some reason,
so i agree with Shachar on this.

you can also try to pinpoint the place the cpu is spent.
strace and/or ltrace with the '-f -c' flags can help.



On Tue, Sep 8, 2009 at 5:24 PM, Shachar Shemesh <shachar at shemesh.biz> wrote:

>  Noam Rathaus wrote:
>
> I know the time difference doesn't look too bad, but take a bigger code
> set:
>
> Fast:
> real    0m1.682s
> user    0m1.584s
> sys    0m0.064s
>
> Slow:
> real    0m16.730s
> user    0m9.345s
> sys    0m0.096s
>
>  These times spell "CPU intensive". Does your library do anything special?
> If you try to import a dummy library, does this still happen?
>
> Shachar
>
> --
> Shachar Shemesh
> Lingnu Open Source Consulting Ltd.http://www.lingnu.com
>
>
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