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https://github.com/wassname/pytorch-lightning.git
synced 2026-09-23 13:40:39 +08:00
Jirka Borovec
7beed7cae6
* Trainer cleanup * update abstract * remove ... * remove __init__ * update mixin types * update callbacks * fix * lower test acc
33 lines
884 B
Python
33 lines
884 B
Python
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from abc import ABC
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try:
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from apex import amp
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APEX_AVAILABLE = True
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except ImportError:
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APEX_AVAILABLE = False
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import logging as log
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class TrainerAMPMixin(ABC):
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# this is just a summary on variables used in this abstract class,
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# the proper values/initialisation should be done in child class
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use_amp: bool
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def init_amp(self, use_amp):
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self.use_amp = use_amp and APEX_AVAILABLE
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if self.use_amp:
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log.info('Using 16bit precision.')
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if use_amp and not APEX_AVAILABLE: # pragma: no cover
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msg = """
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You set `use_amp=True` but do not have apex installed.
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Install apex first using this guide and rerun with use_amp=True:
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https://github.com/NVIDIA/apex#linux
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this run will NOT use 16 bit precision
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"""
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raise ModuleNotFoundError(msg)
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