@list has 17576 elements!
            Rate   grep_re splice_re splice_eq   grep_eq
grep_re   24.6/s        --      -36%      -46%      -53%
splice_re 38.6/s       57%        --      -16%      -27%
splice_eq 45.9/s       87%       19%        --      -13%
grep_eq   52.8/s      115%       37%       15%        --