Rate     moose        mo     mouse blessed_hashref   hashref
moose            55157/s        --      -22%      -67%            -86%      -88%
mo               71023/s       29%        --      -58%            -82%      -85%
mouse           168919/s      206%      138%        --            -56%      -65%
blessed_hashref 384615/s      597%      442%      128%              --      -20%
hashref         478469/s      767%      574%      183%             24%        --