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30 lines
644 B
Python
30 lines
644 B
Python
# Ultralytics YOLO 🚀, AGPL-3.0 license
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from ultralytics.utils import SETTINGS
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try:
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assert SETTINGS["raytune"] is True # verify integration is enabled
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import ray
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from ray import tune
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from ray.air import session
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except (ImportError, AssertionError):
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tune = None
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def on_fit_epoch_end(trainer):
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"""Sends training metrics to Ray Tune at end of each epoch."""
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if ray.train._internal.session.get_session():
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metrics = trainer.metrics
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metrics["epoch"] = trainer.epoch
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session.report(metrics)
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callbacks = (
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{
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"on_fit_epoch_end": on_fit_epoch_end,
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}
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if tune
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else {}
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)
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