28 lines
719 B
Python
28 lines
719 B
Python
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
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class TrainerAMPMixin(ABC):
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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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logging.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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