Re: [FWP] Moment of Zen

[John Porter <jdporter@min.net>]

lr@hpl.hp.com wrote:
> 
> >     foreach $site (sort keys %sites) {
> >       #...
> >       my $mindshare = mindshare(...);
> >       $shares{$site} = $mindshare;
> >     }
> 
> Why an explicit (slow) loop?
> 
>       my %shares;
>       @shares{keys %sites} = map mindshare($_) => values %sites;

I realize the argument has shifted to performance... but, larry,
what you wrote isn't the same as the original.
I think you should have written

      my %shares;
      @shares{keys %sites} = map mindshare($_) => keys %sites;

Note the source for the map is keys %sites, not values %sites.

And I think this shifts the entire direction of how this code
can be optimized.

-- 
John Porter


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