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After you install L<Bencher::Scenario::RefUtil>:

 % bencher-tiny -c 10000 RefUtil
                      Rate reftype(ARRAY) is_plain_arrayref is_arrayref ref(ARRAY)
 reftype(ARRAY)    11905/s             --              -36%        -42%       -43%
 is_plain_arrayref 18519/s            56%                --         -9%       -11%
 is_arrayref       20408/s            71%               10%          --        -2%
 ref(ARRAY)        20833/s            75%               12%          2%         --

 % bencher-tiny -c 10000 RefUtil --timethese
 Benchmark: timing 10000 iterations of is_arrayref, is_plain_arrayref, ref(ARRAY), reftype(ARRAY)...
 is_arrayref:  1 wallclock secs ( 0.48 usr +  0.00 sys =  0.48 CPU) @ 20833.33/s (n=10000)
 is_plain_arrayref:  0 wallclock secs ( 0.51 usr +  0.00 sys =  0.51 CPU) @ 19607.84/s (n=10000)
 ref(ARRAY):  1 wallclock secs ( 0.49 usr +  0.00 sys =  0.49 CPU) @ 20408.16/s (n=10000)
 reftype(ARRAY):  1 wallclock secs ( 0.84 usr +  0.00 sys =  0.84 CPU) @ 11904.76/s (n=10000)

=head1 DESCRIPTION

L<bencher> is a simple script to run benchmark scenario with L<Benchmark>
(Benchmark.pm). It lacks L<bencher> features like filtering
participants/datasets/modules, listing participants/datasets or other actions.