G-Pass@k_τ: average probability of at least ceil(τk) successes among k selected samples (unbiased hypergeometric estimator). τ = 0 reduces to Pass@k and τ = 1 to Pass^k.
ceil(τk)
k
τ = 0
τ = 1
G-Pass@k_τ: average probability of at least
ceil(τk)successes amongkselected samples (unbiased hypergeometric estimator).τ = 0reduces to Pass@k andτ = 1to Pass^k.