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GPT_SoVITS/module/activation_onnx.py
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178
GPT_SoVITS/module/activation_onnx.py
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@ -0,0 +1,178 @@
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# modified from https://github.com/lifeiteng/vall-e/blob/main/valle/modules/activation.py
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from typing import Optional
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from typing import Tuple
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import torch
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from torch import Tensor
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from torch.nn import Linear
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from torch.nn import Module
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from torch.nn.init import constant_
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from torch.nn.init import xavier_normal_
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from torch.nn.init import xavier_uniform_
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from torch.nn.modules.linear import NonDynamicallyQuantizableLinear
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from torch.nn.parameter import Parameter
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from torch.nn import functional as F
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from AR.modules.patched_mha_with_cache_onnx import multi_head_attention_forward_patched
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class MultiheadAttention(Module):
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__constants__ = ["batch_first"]
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bias_k: Optional[torch.Tensor]
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bias_v: Optional[torch.Tensor]
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def __init__(
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self,
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embed_dim,
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num_heads,
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dropout=0.0,
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bias=True,
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add_bias_kv=False,
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add_zero_attn=False,
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kdim=None,
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vdim=None,
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batch_first=False,
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linear1_cls=Linear,
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linear2_cls=Linear,
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device=None,
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dtype=None,
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) -> None:
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factory_kwargs = {"device": device, "dtype": dtype}
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super(MultiheadAttention, self).__init__()
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self.embed_dim = embed_dim
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self.kdim = kdim if kdim is not None else embed_dim
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self.vdim = vdim if vdim is not None else embed_dim
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self._qkv_same_embed_dim = self.kdim == embed_dim and self.vdim == embed_dim
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self.num_heads = num_heads
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self.dropout = dropout
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self.batch_first = batch_first
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self.head_dim = embed_dim // num_heads
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assert (
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self.head_dim * num_heads == self.embed_dim
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), "embed_dim must be divisible by num_heads"
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if add_bias_kv:
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self.bias_k = Parameter(torch.empty((1, 1, embed_dim), **factory_kwargs))
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self.bias_v = Parameter(torch.empty((1, 1, embed_dim), **factory_kwargs))
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else:
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self.bias_k = self.bias_v = None
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if linear1_cls == Linear:
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if not self._qkv_same_embed_dim:
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self.q_proj_weight = Parameter(
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torch.empty((embed_dim, embed_dim), **factory_kwargs)
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)
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self.k_proj_weight = Parameter(
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torch.empty((embed_dim, self.kdim), **factory_kwargs)
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)
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self.v_proj_weight = Parameter(
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torch.empty((embed_dim, self.vdim), **factory_kwargs)
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)
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self.register_parameter("in_proj_weight", None)
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else:
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self.in_proj_weight = Parameter(
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torch.empty((3 * embed_dim, embed_dim), **factory_kwargs)
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)
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self.register_parameter("q_proj_weight", None)
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self.register_parameter("k_proj_weight", None)
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self.register_parameter("v_proj_weight", None)
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if bias:
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self.in_proj_bias = Parameter(
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torch.empty(3 * embed_dim, **factory_kwargs)
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)
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else:
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self.register_parameter("in_proj_bias", None)
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self.out_proj = NonDynamicallyQuantizableLinear(
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embed_dim, embed_dim, bias=bias, **factory_kwargs
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)
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self._reset_parameters()
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else:
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if not self._qkv_same_embed_dim:
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raise NotImplementedError
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else:
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self.in_proj_linear = linear1_cls(
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embed_dim, 3 * embed_dim, bias=bias, **factory_kwargs
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)
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self.in_proj_weight = self.in_proj_linear.weight
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self.register_parameter("q_proj_weight", None)
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self.register_parameter("k_proj_weight", None)
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self.register_parameter("v_proj_weight", None)
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if bias:
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self.in_proj_bias = self.in_proj_linear.bias
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else:
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self.register_parameter("in_proj_bias", None)
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self.out_proj = linear2_cls(
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embed_dim, embed_dim, bias=bias, **factory_kwargs
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)
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if self.bias_k is not None:
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xavier_normal_(self.bias_k)
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if self.bias_v is not None:
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xavier_normal_(self.bias_v)
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self.add_zero_attn = add_zero_attn
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def _reset_parameters(self):
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if self._qkv_same_embed_dim:
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xavier_uniform_(self.in_proj_weight)
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else:
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xavier_uniform_(self.q_proj_weight)
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xavier_uniform_(self.k_proj_weight)
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xavier_uniform_(self.v_proj_weight)
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if self.in_proj_bias is not None:
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constant_(self.in_proj_bias, 0.0)
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constant_(self.out_proj.bias, 0.0)
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if self.bias_k is not None:
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xavier_normal_(self.bias_k)
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if self.bias_v is not None:
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xavier_normal_(self.bias_v)
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def __setstate__(self, state):
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# Support loading old MultiheadAttention checkpoints generated by v1.1.0
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if "_qkv_same_embed_dim" not in state:
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state["_qkv_same_embed_dim"] = True
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super(MultiheadAttention, self).__setstate__(state)
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def forward(
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self,
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query: Tensor,
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key: Tensor,
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value: Tensor,
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key_padding_mask: Optional[Tensor] = None,
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need_weights: bool = True,
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attn_mask: Optional[Tensor] = None,
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average_attn_weights: bool = True,
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cache=None,
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) -> Tuple[Tensor, Optional[Tensor]]:
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any_nested = query.is_nested or key.is_nested or value.is_nested
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query = key = value = query.transpose(1, 0)
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attn_output = multi_head_attention_forward_patched(
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query,
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key,
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value,
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self.embed_dim,
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self.num_heads,
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self.in_proj_weight,
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self.in_proj_bias,
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self.bias_k,
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self.bias_v,
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self.add_zero_attn,
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self.dropout,
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self.out_proj.weight,
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self.out_proj.bias,
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training=self.training,
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key_padding_mask=key_padding_mask,
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need_weights=need_weights,
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attn_mask=attn_mask,
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average_attn_weights=average_attn_weights,
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cache=cache,
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)
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return attn_output.transpose(1, 0)
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64
GPT_SoVITS/module/embedding_onnx.py
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64
GPT_SoVITS/module/embedding_onnx.py
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@ -0,0 +1,64 @@
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# modified from https://github.com/lifeiteng/vall-e/blob/main/valle/modules/embedding.py
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import math
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import torch
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from torch import nn
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class TokenEmbedding(nn.Module):
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def __init__(
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self,
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embedding_dim: int,
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vocab_size: int,
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dropout: float = 0.0,
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):
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super().__init__()
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self.vocab_size = vocab_size
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self.embedding_dim = embedding_dim
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self.dropout = torch.nn.Dropout(p=dropout)
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self.word_embeddings = nn.Embedding(self.vocab_size, self.embedding_dim)
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@property
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def weight(self) -> torch.Tensor:
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return self.word_embeddings.weight
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def embedding(self, index: int) -> torch.Tensor:
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return self.word_embeddings.weight[index : index + 1]
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def forward(self, x: torch.Tensor):
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x = self.word_embeddings(x)
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x = self.dropout(x)
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return x
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class SinePositionalEmbedding(nn.Module):
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def __init__(
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self,
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embedding_dim: int,
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dropout: float = 0.0,
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scale: bool = False,
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alpha: bool = False,
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):
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super().__init__()
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self.embedding_dim = embedding_dim
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self.x_scale = math.sqrt(embedding_dim) if scale else 1.0
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self.alpha = nn.Parameter(torch.ones(1), requires_grad=alpha)
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self.dropout = torch.nn.Dropout(p=dropout)
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self.reverse = False
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self.div_term = torch.exp(torch.arange(0, self.embedding_dim, 2) * -(math.log(10000.0) / self.embedding_dim))
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self.pe = self.extend_pe(2000)
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def extend_pe(self, x):
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position = torch.cumsum(torch.ones((x,1)), dim=0)
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scpe = (position * self.div_term).unsqueeze(0)
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pe = torch.cat([torch.sin(scpe), torch.cos(scpe)]).permute(1, 2, 0)
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pe = pe.contiguous().view(1, -1, self.embedding_dim)
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return pe
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def forward(self, x: torch.Tensor) -> torch.Tensor:
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pe = self.pe[:,:x.size(1),:]
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output = x.unsqueeze(-1) if x.ndim == 2 else x
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output = output * self.x_scale + self.alpha * pe
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return self.dropout(output)
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92
GPT_SoVITS/module/patched_mha_with_cache_onnx.py
Normal file
92
GPT_SoVITS/module/patched_mha_with_cache_onnx.py
Normal file
@ -0,0 +1,92 @@
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from torch.nn.functional import *
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from torch.nn.functional import (
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_mha_shape_check,
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_canonical_mask,
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_none_or_dtype,
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_in_projection_packed,
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)
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def multi_head_attention_forward_patched(
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query,
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key,
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value,
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embed_dim_to_check: int,
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num_heads: int,
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in_proj_weight,
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in_proj_bias: Optional[Tensor],
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bias_k: Optional[Tensor],
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bias_v: Optional[Tensor],
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add_zero_attn: bool,
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dropout_p: float,
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out_proj_weight: Tensor,
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out_proj_bias: Optional[Tensor],
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training: bool = True,
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key_padding_mask: Optional[Tensor] = None,
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need_weights: bool = True,
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attn_mask: Optional[Tensor] = None,
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use_separate_proj_weight: bool = False,
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q_proj_weight: Optional[Tensor] = None,
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k_proj_weight: Optional[Tensor] = None,
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v_proj_weight: Optional[Tensor] = None,
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static_k: Optional[Tensor] = None,
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static_v: Optional[Tensor] = None,
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average_attn_weights: bool = True,
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is_causal: bool = False,
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cache=None,
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) -> Tuple[Tensor, Optional[Tensor]]:
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# set up shape vars
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_, _, embed_dim = query.shape
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attn_mask = _canonical_mask(
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mask=attn_mask,
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mask_name="attn_mask",
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other_type=None,
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other_name="",
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target_type=query.dtype,
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check_other=False,
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)
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head_dim = embed_dim // num_heads
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proj_qkv = linear(query, in_proj_weight, in_proj_bias)
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proj_qkv = proj_qkv.unflatten(-1, (3, query.size(-1))).unsqueeze(0).transpose(0, -2).squeeze(-2).contiguous()
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q, k, v = proj_qkv[0], proj_qkv[1], proj_qkv[2]
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if cache["first_infer"] == 1:
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cache["k"][cache["stage"]] = k
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cache["v"][cache["stage"]] = v
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else:
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cache["k"][cache["stage"]] = torch.cat([cache["k"][cache["stage"]][:-1], k], 0)
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cache["v"][cache["stage"]] = torch.cat([cache["v"][cache["stage"]][:-1], v], 0)
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k = cache["k"][cache["stage"]]
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v = cache["v"][cache["stage"]]
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cache["stage"] = (cache["stage"] + 1) % cache["all_stage"]
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attn_mask = _canonical_mask(
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mask=attn_mask,
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mask_name="attn_mask",
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other_type=None,
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other_name="",
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target_type=q.dtype,
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check_other=False,
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)
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attn_mask = attn_mask.unsqueeze(0)
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q = q.view(-1, num_heads, head_dim).transpose(0, 1)
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k = k.view(-1, num_heads, head_dim).transpose(0, 1)
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v = v.view(-1, num_heads, head_dim).transpose(0, 1)
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dropout_p = 0.0
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attn_mask = attn_mask.unsqueeze(0)
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q = q.view(num_heads, -1, head_dim).unsqueeze(0)
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k = k.view(num_heads, -1, head_dim).unsqueeze(0)
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v = v.view(num_heads, -1, head_dim).unsqueeze(0)
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attn_output = scaled_dot_product_attention(
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q, k, v, attn_mask, dropout_p, is_causal
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)
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attn_output = (
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attn_output.permute(2, 0, 1, 3).contiguous().view(-1, embed_dim)
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)
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attn_output = linear(attn_output, out_proj_weight, out_proj_bias)
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attn_output = attn_output.view(-1, 1, attn_output.size(1))
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return attn_output
|
292
GPT_SoVITS/module/transformer_onnx.py
Normal file
292
GPT_SoVITS/module/transformer_onnx.py
Normal file
@ -0,0 +1,292 @@
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# modified from https://github.com/lifeiteng/vall-e/blob/main/valle/modules/transformer.py
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import copy
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import numbers
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from functools import partial
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from typing import Any
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from typing import Callable
|
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from typing import List
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from typing import Optional
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from typing import Tuple
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from typing import Union
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import torch
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from AR.modules.activation_onnx import MultiheadAttention
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from AR.modules.scaling import BalancedDoubleSwish
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from torch import nn
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from torch import Tensor
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from torch.nn import functional as F
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_shape_t = Union[int, List[int], torch.Size]
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class LayerNorm(nn.Module):
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__constants__ = ["normalized_shape", "eps", "elementwise_affine"]
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normalized_shape: Tuple[int, ...]
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||||
eps: float
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||||
elementwise_affine: bool
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||||
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||||
def __init__(
|
||||
self,
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normalized_shape: _shape_t,
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||||
eps: float = 1e-5,
|
||||
elementwise_affine: bool = True,
|
||||
device=None,
|
||||
dtype=None,
|
||||
) -> None:
|
||||
factory_kwargs = {"device": device, "dtype": dtype}
|
||||
super(LayerNorm, self).__init__()
|
||||
if isinstance(normalized_shape, numbers.Integral):
|
||||
# mypy error: incompatible types in assignment
|
||||
normalized_shape = (normalized_shape,) # type: ignore[assignment]
|
||||
self.normalized_shape = tuple(normalized_shape) # type: ignore[arg-type]
|
||||
self.eps = eps
|
||||
self.elementwise_affine = elementwise_affine
|
||||
if self.elementwise_affine:
|
||||
self.weight = nn.Parameter(
|
||||
torch.empty(self.normalized_shape, **factory_kwargs)
|
||||
)
|
||||
self.bias = nn.Parameter(
|
||||
torch.empty(self.normalized_shape, **factory_kwargs)
|
||||
)
|
||||
else:
|
||||
self.register_parameter("weight", None)
|
||||
self.register_parameter("bias", None)
|
||||
|
||||
self.reset_parameters()
|
||||
|
||||
def reset_parameters(self) -> None:
|
||||
if self.elementwise_affine:
|
||||
nn.init.ones_(self.weight)
|
||||
nn.init.zeros_(self.bias)
|
||||
|
||||
def forward(self, input: Tensor, embedding: Any = None) -> Tensor:
|
||||
if isinstance(input, tuple):
|
||||
input, embedding = input
|
||||
return (
|
||||
F.layer_norm(
|
||||
input,
|
||||
self.normalized_shape,
|
||||
self.weight,
|
||||
self.bias,
|
||||
self.eps,
|
||||
),
|
||||
embedding,
|
||||
)
|
||||
|
||||
assert embedding is None
|
||||
return F.layer_norm(
|
||||
input, self.normalized_shape, self.weight, self.bias, self.eps
|
||||
)
|
||||
|
||||
def extra_repr(self) -> str:
|
||||
return (
|
||||
"{normalized_shape}, eps={eps}, "
|
||||
"elementwise_affine={elementwise_affine}".format(**self.__dict__)
|
||||
)
|
||||
|
||||
|
||||
class IdentityNorm(nn.Module):
|
||||
def __init__(
|
||||
self,
|
||||
d_model: int,
|
||||
eps: float = 1e-5,
|
||||
device=None,
|
||||
dtype=None,
|
||||
) -> None:
|
||||
super(IdentityNorm, self).__init__()
|
||||
|
||||
def forward(self, input: Tensor, embedding: Any = None) -> Tensor:
|
||||
if isinstance(input, tuple):
|
||||
return input
|
||||
|
||||
assert embedding is None
|
||||
return input
|
||||
|
||||
|
||||
class TransformerEncoder(nn.Module):
|
||||
r"""TransformerEncoder is a stack of N encoder layers. Users can build the
|
||||
BERT(https://arxiv.org/abs/1810.04805) model with corresponding parameters.
|
||||
|
||||
Args:
|
||||
encoder_layer: an instance of the TransformerEncoderLayer() class (required).
|
||||
num_layers: the number of sub-encoder-layers in the encoder (required).
|
||||
norm: the layer normalization component (optional).
|
||||
enable_nested_tensor: if True, input will automatically convert to nested tensor
|
||||
(and convert back on output). This will improve the overall performance of
|
||||
TransformerEncoder when padding rate is high. Default: ``True`` (enabled).
|
||||
|
||||
Examples::
|
||||
>>> encoder_layer = TransformerEncoderLayer(d_model=512, nhead=8)
|
||||
>>> transformer_encoder = TransformerEncoder(encoder_layer, num_layers=6)
|
||||
>>> src = torch.rand(10, 32, 512)
|
||||
>>> out = transformer_encoder(src)
|
||||
"""
|
||||
__constants__ = ["norm"]
|
||||
|
||||
def __init__(self, encoder_layer, num_layers, norm=None):
|
||||
super(TransformerEncoder, self).__init__()
|
||||
self.layers = _get_clones(encoder_layer, num_layers)
|
||||
self.num_layers = num_layers
|
||||
self.norm = norm
|
||||
|
||||
def forward(
|
||||
self,
|
||||
src: Tensor,
|
||||
mask: Optional[Tensor] = None,
|
||||
src_key_padding_mask: Optional[Tensor] = None,
|
||||
return_layer_states: bool = False,
|
||||
cache=None,
|
||||
) -> Tensor:
|
||||
output = src
|
||||
for mod in self.layers:
|
||||
output = mod(
|
||||
output,
|
||||
src_mask=mask,
|
||||
src_key_padding_mask=src_key_padding_mask,
|
||||
cache=cache,
|
||||
)
|
||||
|
||||
if self.norm is not None:
|
||||
output = self.norm(output)
|
||||
|
||||
return output
|
||||
|
||||
|
||||
class TransformerEncoderLayer(nn.Module):
|
||||
__constants__ = ["batch_first", "norm_first"]
|
||||
def __init__(
|
||||
self,
|
||||
d_model: int,
|
||||
nhead: int,
|
||||
dim_feedforward: int = 2048,
|
||||
dropout: float = 0.1,
|
||||
activation: Union[str, Callable[[Tensor], Tensor]] = F.relu,
|
||||
batch_first: bool = False,
|
||||
norm_first: bool = False,
|
||||
device=None,
|
||||
dtype=None,
|
||||
linear1_self_attention_cls: nn.Module = nn.Linear,
|
||||
linear2_self_attention_cls: nn.Module = nn.Linear,
|
||||
linear1_feedforward_cls: nn.Module = nn.Linear,
|
||||
linear2_feedforward_cls: nn.Module = nn.Linear,
|
||||
layer_norm_cls: nn.Module = LayerNorm,
|
||||
layer_norm_eps: float = 1e-5,
|
||||
adaptive_layer_norm=False,
|
||||
) -> None:
|
||||
factory_kwargs = {"device": device, "dtype": dtype}
|
||||
super(TransformerEncoderLayer, self).__init__()
|
||||
self.self_attn = MultiheadAttention(
|
||||
d_model, # 512 16
|
||||
nhead,
|
||||
dropout=dropout,
|
||||
batch_first=batch_first,
|
||||
linear1_cls=linear1_self_attention_cls,
|
||||
linear2_cls=linear2_self_attention_cls,
|
||||
**factory_kwargs,
|
||||
)
|
||||
self.linear1 = linear1_feedforward_cls(
|
||||
d_model, dim_feedforward, **factory_kwargs
|
||||
)
|
||||
self.dropout = nn.Dropout(dropout)
|
||||
self.linear2 = linear2_feedforward_cls(
|
||||
dim_feedforward, d_model, **factory_kwargs
|
||||
)
|
||||
self.norm_first = norm_first
|
||||
self.dropout1 = nn.Dropout(dropout)
|
||||
self.dropout2 = nn.Dropout(dropout)
|
||||
if isinstance(activation, str):
|
||||
activation = _get_activation_fn(activation)
|
||||
elif isinstance(activation, partial):
|
||||
activation = activation(d_model)
|
||||
elif activation == BalancedDoubleSwish:
|
||||
activation = BalancedDoubleSwish(d_model)
|
||||
self.activation = activation
|
||||
|
||||
norm1 = layer_norm_cls(d_model, eps=layer_norm_eps, **factory_kwargs)
|
||||
if layer_norm_cls == IdentityNorm:
|
||||
norm2 = BalancedBasicNorm(d_model, eps=layer_norm_eps, **factory_kwargs)
|
||||
else:
|
||||
norm2 = layer_norm_cls(d_model, eps=layer_norm_eps, **factory_kwargs)
|
||||
|
||||
if adaptive_layer_norm:
|
||||
self.norm1 = AdaptiveLayerNorm(d_model, norm1)
|
||||
self.norm2 = AdaptiveLayerNorm(d_model, norm2)
|
||||
else:
|
||||
self.norm1 = norm1
|
||||
self.norm2 = norm2
|
||||
|
||||
def __setstate__(self, state):
|
||||
super(TransformerEncoderLayer, self).__setstate__(state)
|
||||
if not hasattr(self, "activation"):
|
||||
self.activation = F.relu
|
||||
|
||||
def forward(
|
||||
self,
|
||||
src: Tensor,
|
||||
src_mask: Optional[Tensor] = None,
|
||||
src_key_padding_mask: Optional[Tensor] = None,
|
||||
cache=None,
|
||||
) -> Tensor:
|
||||
x = src
|
||||
stage_embedding = None
|
||||
x = self.norm1(
|
||||
x + self._sa_block(x, src_mask, src_key_padding_mask, cache=cache),
|
||||
stage_embedding,
|
||||
)
|
||||
x = self.norm2(x + self._ff_block(x), stage_embedding)
|
||||
|
||||
return x
|
||||
|
||||
def _sa_block(
|
||||
self,
|
||||
x: Tensor,
|
||||
attn_mask: Optional[Tensor],
|
||||
key_padding_mask: Optional[Tensor],
|
||||
cache=None,
|
||||
) -> Tensor:
|
||||
x = self.self_attn(
|
||||
x,
|
||||
x,
|
||||
x,
|
||||
attn_mask=attn_mask,
|
||||
key_padding_mask=key_padding_mask,
|
||||
need_weights=False,
|
||||
cache=cache,
|
||||
)
|
||||
return self.dropout1(x)
|
||||
|
||||
def _ff_block(self, x: Tensor) -> Tensor:
|
||||
x = self.linear2(self.dropout(self.activation(self.linear1(x))))
|
||||
return self.dropout2(x)
|
||||
|
||||
|
||||
class AdaptiveLayerNorm(nn.Module):
|
||||
r"""Adaptive Layer Normalization"""
|
||||
|
||||
def __init__(self, d_model, norm) -> None:
|
||||
super(AdaptiveLayerNorm, self).__init__()
|
||||
self.project_layer = nn.Linear(d_model, 2 * d_model)
|
||||
self.norm = norm
|
||||
self.d_model = d_model
|
||||
self.eps = self.norm.eps
|
||||
|
||||
def forward(self, input: Tensor, embedding: Tensor = None) -> Tensor:
|
||||
if isinstance(input, tuple):
|
||||
input, embedding = input
|
||||
weight, bias = torch.split(
|
||||
self.project_layer(embedding),
|
||||
split_size_or_sections=self.d_model,
|
||||
dim=-1,
|
||||
)
|
||||
return (weight * self.norm(input) + bias, embedding)
|
||||
|
||||
weight, bias = torch.split(
|
||||
self.project_layer(embedding),
|
||||
split_size_or_sections=self.d_model,
|
||||
dim=-1,
|
||||
)
|
||||
return weight * self.norm(input) + bias
|
||||
|
||||
|
||||
def _get_clones(module, N):
|
||||
return nn.ModuleList([copy.deepcopy(module) for i in range(N)])
|
Loading…
x
Reference in New Issue
Block a user