ColossalAI/colossalai/amp/naive_amp/__init__.py

21 lines
601 B
Python

import torch.nn as nn
from torch.optim import Optimizer
from colossalai.utils import is_no_pp_or_last_stage
from .naive_amp import NaiveAMPOptimizer, NaiveAMPModel
def convert_to_naive_amp(model: nn.Module,
optimizer: Optimizer,
amp_config):
if is_no_pp_or_last_stage():
model = NaiveAMPModel(model, output_to_fp32=True)
else:
model = NaiveAMPModel(model, output_to_fp32=False)
optimizer = NaiveAMPOptimizer(optimizer, **amp_config)
return model, optimizer
__all__ = ['convert_to_naive_amp', 'NaiveAMPOptimizer']