metric,scope,value,n,note
rows_in_snapshot,zoo_latest,2656,2656,sweep still running; row count grows
pairs,zoo_latest,274,2656,
operators,zoo_latest,4,2656,average|qmd_guided|task_arithmetic|ties
alignment_arms,zoo_latest,4,2656,naive|aligned|transport|transport+aligned
align_method,zoo_latest,permutation,2656,only one alignment family is exercised in this run
rel_damage_median,arm=naive,0.05786,1096,(nll_merge - nll_floor)/nll_floor; lower is better
frac_beats_best_parent,arm=naive,0.1451,1096,delta_floor > 0
rel_damage_median,arm=aligned,0.05588,1096,(nll_merge - nll_floor)/nll_floor; lower is better
frac_beats_best_parent,arm=aligned,0.1451,1096,delta_floor > 0
rel_damage_median,arm=transport,0.2103,232,(nll_merge - nll_floor)/nll_floor; lower is better
frac_beats_best_parent,arm=transport,0.0388,232,delta_floor > 0
rel_damage_median,arm=transport+aligned,0.2103,232,(nll_merge - nll_floor)/nll_floor; lower is better
frac_beats_best_parent,arm=transport+aligned,0.0388,232,delta_floor > 0
cells_with_both_arms,naive vs aligned,1096,1096,
cells_where_alignment_changed_the_merge,naive vs aligned,138,1096,138/1096 = 12.6% of cells differ at all
alignment_gap_mean_where_it_moved,naive vs aligned,0.00934,138,rel_damage_naive - rel_damage_aligned; >0 = alignment helped
alignment_helped_frac_where_it_moved,naive vs aligned,0.6667,138,
pairs_where_best_aligned_beats_best_naive,per pair,16,274,
pairs_where_best_aligned_loses_to_best_naive,per pair,2,274,
coord_fraction_median,zoo_latest,0.0,2656,QMD coordinate share; ~0 in this run -- see README caveat 2
transport_arms_bit_identical_frac,transport vs transport+aligned,1.0,232,1.0 means the +aligned arm carries no information -- see README caveat 3
rows_with_jointly_trained_ceiling,zoo_latest,0,2656,0 => MS / nll_ceiling are empty; everything is floor-relative
archive_rows_published_separately,archive/,8116,8116,zoo|zoo_2026_08_17|zoo_seed|zoo_seed_v2