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# Copyright (c) 2023, NVIDIA CORPORATION. All rights reserved.
import enum
class LayerType(enum.Enum):
encoder = 1
decoder = 2
retro_encoder = 3
retro_decoder = 4
retro_decoder_with_retriever = 5
class AttnType(enum.Enum):
self_attn = 1
cross_attn = 2
class AttnMaskType(enum.Enum):
padding = 1
causal = 2
# For backward compatibility with old model checkpoints
from megatron.core.enums import ModelType
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