| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128 |
- # Copyright 2021-2022 The Alibaba PAI Team Authors.
- # Copyright (c) 2019, 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.
- import torch
- from transformers.configuration_utils import PretrainedConfig
- from transformers.utils import logging
- logger = logging.get_logger()
- class GPTMoEConfig(PretrainedConfig):
- model_type = 'gpt-moe'
- def __init__(
- self,
- vocab_size=25600,
- hidden_size=768,
- ffn_hidden_size=None,
- num_hidden_layers=12,
- num_attention_heads=12,
- intermediate_size=3072,
- hidden_act='gelu',
- hidden_dropout_prob=0.1,
- attention_probs_dropout_prob=0.1,
- max_position_embeddings=2048,
- type_vocab_size=2,
- layernorm_epsilon=1e-12,
- bias_gelu_fusion=True,
- fp32_residual_connection=False,
- sequence_parallel=False,
- fp16=False,
- bf16=False,
- apply_query_key_layer_scaling=True,
- attention_softmax_in_fp32=False,
- kv_channels=None,
- masked_softmax_fusion=True,
- attention_dropout=0.1,
- bias_dropout_fusion=True,
- apply_residual_connection_post_layernorm=False,
- hidden_dropout=0.1,
- init_method_std=0.02,
- # generate
- eod_id=7,
- tokens_to_generate=100,
- top_k=0,
- top_p=0.9,
- num_experts=[0],
- use_tutel=False,
- top_k_linear_strategy='standard',
- use_expert_residual_network=False,
- load_ds_ckpts=False,
- model_dir=None,
- **kwargs):
- super().__init__(layer_norm_eps=layernorm_epsilon, **kwargs)
- self.vocab_size = vocab_size
- self.hidden_size = hidden_size
- self.ffn_hidden_size = 4 * hidden_size \
- if ffn_hidden_size is None else ffn_hidden_size
- self.num_hidden_layers = num_hidden_layers
- self.num_attention_heads = num_attention_heads
- self.hidden_act = hidden_act
- self.intermediate_size = intermediate_size
- self.hidden_dropout_prob = hidden_dropout_prob
- self.attention_probs_dropout_prob = attention_probs_dropout_prob
- self.max_position_embeddings = max_position_embeddings
- self.type_vocab_size = type_vocab_size
- self.layernorm_epsilon = layernorm_epsilon
- self.bias_gelu_fusion = bias_gelu_fusion
- self.fp32_residual_connection = fp32_residual_connection
- self.sequence_parallel = sequence_parallel
- self.fp16 = fp16
- self.bf16 = bf16
- assert not (fp16 and bf16)
- self.apply_query_key_layer_scaling = apply_query_key_layer_scaling
- self.attention_softmax_in_fp32 = attention_softmax_in_fp32
- if kv_channels is None:
- assert hidden_size % num_attention_heads == 0
- self.kv_channels = hidden_size // num_attention_heads
- self.masked_softmax_fusion = masked_softmax_fusion
- self.attention_dropout = attention_dropout
- self.bias_dropout_fusion = bias_dropout_fusion
- self.apply_residual_connection_post_layernorm = \
- apply_residual_connection_post_layernorm
- self.hidden_dropout = hidden_dropout
- self.init_method_std = init_method_std
- self.eod_id = eod_id
- self.tokens_to_generate = tokens_to_generate
- self.top_k = top_k
- self.top_p = top_p
- self.num_experts = num_experts
- self.use_tutel = use_tutel
- self.top_k_linear_strategy = top_k_linear_strategy
- self.use_expert_residual_network = use_expert_residual_network
- self.load_ds_ckpts = load_ds_ckpts
- self.model_dir = model_dir
- if self.num_experts[0] > torch.cuda.device_count():
- self.moe_expert_parallel_size = torch.cuda.device_count()
- else:
- self.moe_expert_parallel_size = self.num_experts[0]
- TORCH_MAJOR = int(torch.__version__.split('.')[0])
- TORCH_MINOR = int(torch.__version__.split('.')[1])
- self.no_persist_layer_norm = \
- TORCH_MAJOR < 1 or (TORCH_MAJOR == 1 and TORCH_MINOR < 11)
- @property
- def params_dtype(self):
- if self.fp16:
- return torch.half
- elif self.bf16:
- return torch.bfloat16
- else:
- return torch.float
|