| import random |
|
|
| from .data import small_final_calculation |
| from .envs import Pool, make_episode |
|
|
|
|
| class SmallCalculationPool(Pool): |
| fraction: float = .8 |
|
|
| def __init__(self, rows: list[dict]): |
| if not 0 <= self.fraction <= 1: |
| raise ValueError('Small-calculation sampling fraction must be in [0, 1]') |
| super().__init__(rows) |
| small = {row['group'] for row in rows |
| if small_final_calculation(dict(steps=row['provenance']['equations']))} |
| self.small_by_hint = {level: [row for row in selected if row['group'] in small] |
| for level, selected in self.by_hint.items()} |
|
|
| def sample(self, rng: random.Random): |
| level = rng.randint(1, 16) |
| if self.small_by_hint[level] and rng.random() < self.fraction: |
| row = rng.choice(self.small_by_hint[level]) |
| else: |
| bands = list(self.by_band[level]) |
| band = rng.choices(bands, [self.weights[name] for name in bands])[0] |
| row = rng.choice(self.by_band[level][band]) |
| return make_episode(row, level) |
|
|
