Added a way to detach models and create them standalone

This commit is contained in:
Christian Risi
2025-10-10 18:43:20 +02:00
parent 15f203cad5
commit 92ae40013d
10 changed files with 164 additions and 20 deletions

View File

@@ -1,3 +1,4 @@
from typing import Optional
import torch
import torch.nn as nn
from .FeedForwardNetwork import FeedForwardNetwork
@@ -42,13 +43,17 @@ class Decoder(nn.Module):
torch.Tensor,
torch.Tensor,
torch.Tensor,
torch.Tensor
torch.Tensor,
Optional[bool]
]
): # -> list[torch.Tensor]: # k_x = v_x . While x_q = x
# WARNING: args is needed to have sequential
x, k_x, v_x, src_padding_mask, tgt_padding_mask = args
if len(args) < 6:
args = args + (False)
x, k_x, v_x, src_padding_mask, tgt_padding_mask, decoder_only = args
# build of attention mask
# TODO: create a prefix causal mask if needed
attention_mask = get_causal_attention_mask(x.size(1))
# 1) Masked Attention
@@ -67,21 +72,23 @@ class Decoder(nn.Module):
# 4) Layer Normalization
x = self.__layer_norm_1(x)
# 5) Encoderdecoder (cross) attention
CROSS_ATTENTION = self.__cross_attention(
x, k_x, v_x, key_padding_mask=src_padding_mask
)
# 6) Dropout
# DROPPED_CROSS_ATTENTION = self.__dropout(CROSS_ATTENTION)
# del CROSS_ATTENTION
if not decoder_only:
# 5) Encoderdecoder (cross) attention
CROSS_ATTENTION = self.__cross_attention(
x, k_x, v_x, key_padding_mask=src_padding_mask
)
# 7) Residual Connection
x = x + CROSS_ATTENTION
del CROSS_ATTENTION
# 6) Dropout
# DROPPED_CROSS_ATTENTION = self.__dropout(CROSS_ATTENTION)
# del CROSS_ATTENTION
# 8) Layer Normalization
x = self.__layer_norm_2(x)
# 7) Residual Connection
x = x + CROSS_ATTENTION
del CROSS_ATTENTION
# 8) Layer Normalization
x = self.__layer_norm_2(x)
# 9) Position-wise feed-forward
FEED_FORWARD = self.__feed_forward_network(x)
@@ -97,7 +104,7 @@ class Decoder(nn.Module):
# 12) Layer Normalization
x = self.__layer_norm_3(x)
return (x, k_x, v_x, src_padding_mask, tgt_padding_mask)
return (x, k_x, v_x, src_padding_mask, tgt_padding_mask, decoder_only)
# use eval to disable dropout ecc