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Fix ParallelThingsBlock w/ attn_mask

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Ross Wightman 2025-04-08 09:35:34 -07:00
parent 9b23d6dea2
commit 6675590264
1 changed files with 11 additions and 1 deletions
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timm/models/vision_transformer.py
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@ -332,7 +332,17 @@ class ParallelThingsBlock(nn.Module):
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def forward(self, x: torch.Tensor, attn_mask: Optional[torch.Tensor] = None) -> torch.Tensor: def forward(self, x: torch.Tensor, attn_mask: Optional[torch.Tensor] = None) -> torch.Tensor:
x = x + torch.stack([attn(x, attn_mask=attn_mask) for attn in self.attns]).sum(dim=0) if attn_mask is not None:
attn_out = []
for attn in self.attns:
x_attn = attn.norm(x)
x_attn = attn.attn(x_attn, attn_mask=attn_mask)
x_attn = attn.ls(x_attn)
x_attn = attn.drop_path(x_attn)
attn_out.append(x_attn)
x = x + torch.stack(attn_out).sum(dim=0)
else:
x = x + torch.stack([attn(x) for attn in self.attns]).sum(dim=0)
x = x + torch.stack([ffn(x) for ffn in self.ffns]).sum(dim=0) x = x + torch.stack([ffn(x) for ffn in self.ffns]).sum(dim=0)
return x return x