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Re: map {} list or do {} for list? - Benchmarks

by Random_Walk (Prior)
on Apr 12, 2014 at 12:32 UTC ( #1082078=note: print w/replies, xml ) Need Help??

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  1. or download this
                   Rate  or delete        do      copy     slice       map
    or delete 1620746/s         --       -1%      -50%      -71%      -78%
    ...
         copy 3215434/s        98%       96%        --      -42%      -56%
        slice 5555556/s       243%      238%       73%        --      -24%
          map 7299270/s       350%      345%      127%       31%        --
    
  2. or download this
    #!/usr/bin/perl 
    use strict;
    ...
        '    slice' => ' delete @hosts{ grep { $hosts{$_} != $t_count } ke
    +ys %hosts }               ',
        '     copy' => ' %hosts = map { $hosts{$_} == $t_count ? ($_, $hos
    +ts{$_}) : ()} keys %hosts ',
    });
    

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