syne_tune.callbacks.hyperband_remove_checkpoints_score module

syne_tune.callbacks.hyperband_remove_checkpoints_score.compute_probabilities_of_getting_resumed(ranks, rung_lens, prom_quants, p_vals, time_ratio, approx_steps)

Computes an approximation to the probability of getting resumed under our independence assumptions. This approximation improves with larger approx_steps, but its cost scales cubically in this number.

Parameters:

• ranks (ndarray) – Ranks \(k\), starting from 1 (smaller is better)

• rung_lens (ndarray) – Rung lengths \(n_r\)

• prom_quants (ndarray) – Promotion quantiles \(\alpha_r\)

• p_vals (ndarray) – Probabilities \(p_r\)

• time_ratio (float) – Ratio \(\beta\) between time left and time spent

• approx_steps (int) – Number of approximation steps, see above

Return type:

ndarray

Returns:

Approximations of probability to get resumed