On Wed, Jun 04, 2003 at 03:58:44PM -0500 James Edward Gray II wrote:
> On Wednesday, June 4, 2003, at 03:45 PM, John W. Krahn wrote:
>
> >>Does it hurt performance having them?
> >
> >No.
>
> Are we sure about this? I find it really hard to believe that
> 'warnings' isn't affecting performance on some level. I doubt it's a
> big hit, but I would be very surprised if it doesn't cost something.
Perl internally uses a bit-mask to determine when to warn (stored in
${^WARNINGS_BITS}). When interpreting a script perl has to check against
this bitmask regardless of whether warnings are turned on or not,
therefore there's no change in run-time performance.
Tassilo
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$_=reverse,s+(?<=sub).+q#q!'"qq.\t$&."'!#+sexisexiixesixeseg;y~\n~~dddd;eval
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