Remove gamma parameters

This commit is contained in:
pharmapsychotic
2024-12-14 22:58:12 -06:00
parent c45da47600
commit 8b3759153a
+6 -10
View File
@@ -4,7 +4,6 @@ from types import SimpleNamespace
import torch
import torch.nn as nn
import torch.nn.functional as F
import torchvision.transforms as transforms
from safetensors import safe_open
from transformers import CLIPTokenizer
@@ -35,13 +34,10 @@ class DecoderBlock(nn.Module):
self.mlp = nn.Sequential(
nn.Linear(embed_dim, embed_dim * 4),
nn.GELU(),
nn.Dropout(0.1),
nn.Linear(embed_dim * 4, embed_dim),
)
self.gamma1 = nn.Parameter(torch.ones(embed_dim))
self.gamma2 = nn.Parameter(torch.ones(embed_dim))
self.gamma3 = nn.Parameter(torch.ones(embed_dim))
def forward(self, x, memory, self_attn_mask=None):
# self attention with mask
residual = x
@@ -52,7 +48,7 @@ class DecoderBlock(nn.Module):
need_weights=False,
is_causal=True,
)
x = residual + self.gamma1 * attn_output
x = residual + attn_output
# cross attention
residual = x
@@ -60,12 +56,12 @@ class DecoderBlock(nn.Module):
attn_output, _ = self.cross_attn(
query=x, key=memory, value=memory, need_weights=False
)
x = residual + self.gamma2 * attn_output
x = residual + attn_output
# FFN
residual = x
x = self.norm3(x)
x = residual + self.gamma3 * self.mlp(x)
x = residual + self.mlp(x)
return x
@@ -236,7 +232,7 @@ class CLIPtionLoader:
def load(self, clip, clip_vision):
state_dict = {}
base_path = os.path.dirname(os.path.abspath(__file__))
model_path = os.path.join(base_path, "CLIPtion_ViTL_20241129_fp16.safetensors")
model_path = os.path.join(base_path, "CLIPtion_20241214_fp16.safetensors")
with safe_open(model_path, framework="pt", device="cpu") as f:
for key in f.keys():
state_dict[key] = f.get_tensor(key)
@@ -275,7 +271,7 @@ class CLIPtion:
tokenizer = model.get_tokenizer()
captions = []
for idx in range(tokens.size(0)):
tokens = tokens[idx]#.tolist
tokens = tokens[idx]
caption = tokenizer.decode(tokens, skip_special_tokens=True, clean_up_tokenization_spaces=True)
captions.append(caption)