28 lines
746 B
Python
28 lines
746 B
Python
"""General utilities"""
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from enum import Enum
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import numpy
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import torch
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from pytorch_lightning.utilities.apply_func import move_data_to_device
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from pytorch_lightning.utilities.distributed import rank_zero_only, rank_zero_warn, rank_zero_info
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from pytorch_lightning.utilities.parsing import AttributeDict, flatten_dict, is_picklable
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try:
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from apex import amp
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except ImportError:
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APEX_AVAILABLE = False
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else:
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APEX_AVAILABLE = True
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NATIVE_AMP_AVALAIBLE = hasattr(torch.cuda, "amp") and hasattr(torch.cuda.amp, "autocast")
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FLOAT16_EPSILON = numpy.finfo(numpy.float16).eps
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FLOAT32_EPSILON = numpy.finfo(numpy.float32).eps
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FLOAT64_EPSILON = numpy.finfo(numpy.float64).eps
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class AMPType(Enum):
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APEX = 'apex'
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NATIVE = 'native'
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