diff options
Diffstat (limited to 'models/clip')
| -rw-r--r-- | models/clip/embeddings.py | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/models/clip/embeddings.py b/models/clip/embeddings.py index 9d8f770..46b414b 100644 --- a/models/clip/embeddings.py +++ b/models/clip/embeddings.py | |||
| @@ -3,6 +3,7 @@ from pathlib import Path | |||
| 3 | 3 | ||
| 4 | import torch | 4 | import torch |
| 5 | import torch.nn as nn | 5 | import torch.nn as nn |
| 6 | import torch.nn.functional as F | ||
| 6 | 7 | ||
| 7 | from safetensors import safe_open | 8 | from safetensors import safe_open |
| 8 | from safetensors.torch import save_file | 9 | from safetensors.torch import save_file |
| @@ -45,7 +46,7 @@ class ManagedCLIPTextEmbeddings(CLIPTextEmbeddings): | |||
| 45 | device=self.token_embedding.weight.device, | 46 | device=self.token_embedding.weight.device, |
| 46 | dtype=self.token_embedding.weight.dtype | 47 | dtype=self.token_embedding.weight.dtype |
| 47 | ) | 48 | ) |
| 48 | self.temp_token_embedding.weight.data.normal_(mean=0.0, std=self.initializer_factor * 0.02) | 49 | self.temp_token_embedding.weight.data = self.token_embedding.weight.data.clone().detach() |
| 49 | self.temp_token_ids = torch.tensor([], dtype=torch.long) | 50 | self.temp_token_ids = torch.tensor([], dtype=torch.long) |
| 50 | 51 | ||
| 51 | def resize(self, size: int): | 52 | def resize(self, size: int): |
| @@ -98,6 +99,13 @@ class ManagedCLIPTextEmbeddings(CLIPTextEmbeddings): | |||
| 98 | 99 | ||
| 99 | return embeds | 100 | return embeds |
| 100 | 101 | ||
| 102 | def normalize(self, lambda_: float = 1.0): | ||
| 103 | w = self.temp_token_embedding.weight | ||
| 104 | pre_norm = w[self.temp_token_ids, :].norm(dim=-1, keepdim=True) | ||
| 105 | w[self.temp_token_ids] = F.normalize( | ||
| 106 | w[self.temp_token_ids, :], dim=-1 | ||
| 107 | ) * (pre_norm + lambda_ * (0.4 - pre_norm)) | ||
| 108 | |||
| 101 | def forward( | 109 | def forward( |
| 102 | self, | 110 | self, |
| 103 | input_ids: Optional[torch.LongTensor] = None, | 111 | input_ids: Optional[torch.LongTensor] = None, |
