mirror of https://github.com/hpcaitech/ColossalAI
36 lines
690 B
Python
36 lines
690 B
Python
import torch
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from titans.loss.lm_loss import GPTLMLoss
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from titans.loss.vocab_cross_entropy import vocab_parallel_cross_entropy
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from titans.model.gpt import gpt2_small
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from torch.optim import Adam
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from colossalai.amp import AMP_TYPE
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BATCH_SIZE = 8
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NUM_EPOCHS = 60
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SEQ_LEN = 1024
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NUM_MICRO_BATCHES = 4
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HIDDEN_SIZE = 768
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PIPELINE = 2
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TENSOR_PARALLEL = 2
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MODE = '1d'
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fp16 = dict(mode=AMP_TYPE.NAIVE)
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parallel = dict(pipeline=PIPELINE, tensor=dict(mode=MODE, size=TENSOR_PARALLEL))
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optimizer = dict(
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type=Adam,
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lr=0.00015,
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weight_decay=1e-2,
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)
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model = dict(
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type=gpt2_small,
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checkpoint=True,
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dtype=torch.half,
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)
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loss_fn = dict(type=vocab_parallel_cross_entropy)
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