Rate ewijaya_l simonm_l pg_l scooterm_l aighearach_l aighearach2_l simonm2_l
ewijaya_l     13736/s        --     -48% -69%       -74%         -76%          -78%      -80%
simonm_l      26316/s       92%       -- -41%       -51%         -54%          -57%      -62%
pg_l          44248/s      222%      68%   --       -17%         -23%          -28%      -36%
scooterm_l    53191/s      287%     102%  20%         --          -7%          -14%      -23%
aighearach_l  57471/s      318%     118%  30%         8%           --           -7%      -17%
aighearach2_l 61728/s      349%     135%  40%        16%           7%            --      -11%
simonm2_l     69444/s      406%     164%  57%        31%          21%           13%        --

##</code><code>##

sub aighearach2 {
    my ( %unique );
    for ( my $i = 0; $i < @_; $i++ ) {
        @unique{ map @$_, @_ } = ();
    }
    return keys %unique;
}