From c40170386fd055f715db90886f0ac0da5c575bd9 Mon Sep 17 00:00:00 2001
From: Volpeon <git@volpeon.ink>
Date: Mon, 27 Mar 2023 13:19:05 +0200
Subject: Fix TI

---
 models/clip/embeddings.py | 34 +++++++++++++++++++++++++---------
 1 file changed, 25 insertions(+), 9 deletions(-)

(limited to 'models')

diff --git a/models/clip/embeddings.py b/models/clip/embeddings.py
index 2d60c28..e8cc865 100644
--- a/models/clip/embeddings.py
+++ b/models/clip/embeddings.py
@@ -38,18 +38,18 @@ class ManagedCLIPTextEmbeddings(CLIPTextEmbeddings):
         self.token_embedding = embeddings.token_embedding
         self.position_embedding = embeddings.position_embedding
         self.initializer_factor = config.initializer_factor
+        self.init_temp_embeddings()
 
+    def init_temp_embeddings(self):
         self.temp_token_embedding = nn.Embedding(
-            self.token_embedding.num_embeddings,
+            0,
             self.token_embedding.embedding_dim,
             device=self.token_embedding.weight.device,
             dtype=self.token_embedding.weight.dtype
         )
-        self.temp_token_embedding.weight.data = self.token_embedding.weight.data.clone().detach()
         self.temp_token_ids = torch.tensor([], dtype=torch.long)
 
     def resize(self, size: int):
-        self.temp_token_embedding = resize_embedding(self.temp_token_embedding, size, self.initializer_factor)
         self.token_embedding = resize_embedding(self.token_embedding, size, self.initializer_factor)
 
     def add_embed(self, token_ids: Union[int, list[int]], initializer: Optional[Union[int, list[int], torch.FloatTensor]] = None):
@@ -74,9 +74,17 @@ class ManagedCLIPTextEmbeddings(CLIPTextEmbeddings):
         )
 
         token_ids = torch.tensor(token_ids, dtype=torch.long)
-
         self.temp_token_ids = torch.cat([self.temp_token_ids, token_ids])
-        self.temp_token_embedding.weight.data[token_ids] = initializer
+
+        self.temp_token_embedding = resize_embedding(
+            self.temp_token_embedding,
+            self.temp_token_ids.shape[0],
+            self.initializer_factor
+        )
+
+        mask = torch.nonzero(torch.isin(self.temp_token_ids, token_ids)).squeeze(1)
+        self.temp_token_embedding.weight.data[mask] = initializer
+        self.token_embedding.weight.data[token_ids] = initializer
 
     def load_embed(self, input_ids: list[int], filename: Path):
         with safe_open(filename, framework="pt", device="cpu") as file:
@@ -86,17 +94,25 @@ class ManagedCLIPTextEmbeddings(CLIPTextEmbeddings):
         save_file({"embed": self.get_embed(input_ids)}, filename)
 
     def persist(self):
-        self.token_embedding.weight.data[self.temp_token_ids] = self.temp_token_embedding.weight.data[self.temp_token_ids]
-        self.temp_token_ids = torch.tensor([], dtype=torch.long)
+        self.token_embedding.weight.data[self.temp_token_ids] = self.temp_token_embedding.weight.data[:]
+        self.init_temp_embeddings()
 
     def get_embed(self, input_ids: Union[list[int], torch.LongTensor]):
         if isinstance(input_ids, list):
             input_ids = torch.tensor(input_ids, device=self.token_embedding.weight.device, dtype=torch.long)
 
+        all_temp_token_ids = self.temp_token_ids.to(input_ids.device)
+
         embeds = self.token_embedding(input_ids)
 
-        mask = torch.isin(input_ids, self.temp_token_ids.to(input_ids.device))
-        embeds[mask] = self.temp_token_embedding(input_ids)[mask]
+        embeds_mask = torch.isin(input_ids, all_temp_token_ids)
+        temp_token_ids = input_ids[embeds_mask]
+
+        temp_token_ids = temp_token_ids.unsqueeze(1)
+        all_temp_token_ids = all_temp_token_ids.unsqueeze(0)
+        temp_token_ids = torch.nonzero(temp_token_ids == all_temp_token_ids)[:, 1].squeeze()
+
+        embeds[embeds_mask] = self.temp_token_embedding(temp_token_ids)
 
         return embeds
 
-- 
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