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7934b29 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 | # Copyright (c) 2022, NVIDIA CORPORATION. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from abc import ABC
from typing import Dict, List, Optional
from nemo.core.classes import NeuralModule
from nemo.core.neural_types import ChannelType, MaskType, NeuralType
__all__ = ['MegatronDecoderModule']
class MegatronDecoderModule(NeuralModule, ABC):
""" Base class for encoder neural module to be used in NLP models. """
@property
def input_types(self) -> Optional[Dict[str, NeuralType]]:
return {
"dec_input": NeuralType(('B', 'T', 'D'), ChannelType()),
"dec_attn_mask": NeuralType(('B', 'T'), MaskType()),
"enc_output": NeuralType(('B', 'T', 'D'), ChannelType()),
"enc_attn_mask": NeuralType(('B', 'T'), MaskType()),
}
@property
def input_names(self) -> List[str]:
return ['dec_input', 'dec_attn_mask', 'enc_output', 'enc_attn_mask']
@property
def output_names(self) -> List[str]:
return ['decoder_output']
@property
def output_types(self) -> Optional[Dict[str, NeuralType]]:
return {"dec_output": NeuralType(('B', 'T', 'D'), ChannelType())}
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