Fix model parallelism for BridgeTower (huggingface#23039)

ydshieh · web-flow · commit b6865b9befad · 2023-04-28T21:53:58.000+02:00
* fix

---------

Co-authored-by: ydshieh &lt;ydshieh@users.noreply.github.com&gt;
diff --git a/src/transformers/models/bridgetower/modeling_bridgetower.py b/src/transformers/models/bridgetower/modeling_bridgetower.py
@@ -981,7 +981,7 @@ class BridgeTowerPreTrainedModel(PreTrainedModel):
     config_class = BridgeTowerConfig
     base_model_prefix = "bridgetower"
     supports_gradient_checkpointing = False
-    _no_split_modules = ["BridgeTowerSelfAttention"]
+    _no_split_modules = ["BridgeTowerSelfAttention", "BridgeTowerResidualAttention"]
 
     def _init_weights(self, module):
         if isinstance(module, BridgeTowerVisionModel):
@@ -1863,12 +1863,16 @@ def forward(
 
         # normalized features
         text_embeds = nn.functional.normalize(self.itc_text_head(text_embeds[:, 0, :]), dim=-1, p=2)
-        image_embeds = nn.functional.normalize(self.itc_image_head(image_embeds[:, 0, :]), dim=-1, p=2)
-        cross_embeds = nn.functional.normalize(self.itc_cross_modal_head(pooler_output), dim=-1, p=2)
+        image_embeds = nn.functional.normalize(self.itc_image_head(image_embeds[:, 0, :]), dim=-1, p=2).to(
+            device=text_embeds.device
+        )
+        cross_embeds = nn.functional.normalize(self.itc_cross_modal_head(pooler_output), dim=-1, p=2).to(
+            device=text_embeds.device
+        )
 
         logits = torch.stack([text_embeds, image_embeds, cross_embeds], dim=-2)
 
-        logit_scale = self.logit_scale.exp()
+        logit_scale = self.logit_scale.exp().to(device=text_embeds.device)
         logits_text_to_image = torch.matmul(text_embeds, image_embeds.t()) * logit_scale
         logits_text_to_cross = torch.matmul(text_embeds, cross_embeds.t()) * logit_scale
         logits_image_to_cross = torch.matmul(image_embeds, cross_embeds.t()) * logit_scale
