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17 lines
548 B
17 lines
548 B
3 years ago
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class LimitTrigger():
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"""A Predicate to decide whether to stop."""
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def __init__(self, limit: int, unit: str):
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if unit not in ("iteration", "epoch"):
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raise ValueError("unit should be 'iteration' or 'epoch'")
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if limit <= 0:
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raise ValueError("limit should be a positive integer.")
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self.limit = limit
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self.unit = unit
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def __call__(self, trainer):
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state = trainer.updater.state
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index = getattr(state, self.unit)
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fire = index >= self.limit
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return fire
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