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fix export tensorrt with dynamic size

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wa22 2024-05-28 09:30:11 +08:00
parent 9f73bc7768
commit 62aaafb3a0
1 changed files with 3 additions and 3 deletions
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6
ultralytics/nn/modules/block.py
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@ -783,16 +783,16 @@ class Attention(nn.Module):
self.pe = Conv(dim, dim, 3, 1, g=dim, act=False)
def forward(self, x):
B, _, H, W = x.shape
B, C, H, W = x.shape
N = H * W
qkv = self.qkv(x)
q, k, v = qkv.view(B, self.num_heads, -1, N).split([self.key_dim, self.key_dim, self.head_dim], dim=2)
q, k, v = qkv.view(B, self.num_heads, self.key_dim*2 + self.head_dim, N).split([self.key_dim, self.key_dim, self.head_dim], dim=2)
attn = (
(q.transpose(-2, -1) @ k) * self.scale
)
attn = attn.softmax(dim=-1)
x = (v @ attn.transpose(-2, -1)).view(B, -1, H, W) + self.pe(v.reshape(B, -1, H, W))
x = (v @ attn.transpose(-2, -1)).view(B, C, H, W) + self.pe(v.reshape(B, C, H, W))
x = self.proj(x)
return x