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[Pixtral-Large] Pixtral actually has no bias in vision-lang adapter (#10449)

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Patrick von Platen 2024-11-19 18:33:06 +01:00 committed by GitHub
parent f028dff33d
commit 11fd7ea639
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1 changed files with 3 additions and 2 deletions
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vllm/model_executor/models/pixtral.py
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@ -331,6 +331,7 @@ class VisionEncoderArgs:
num_attention_heads: int
rope_theta: float # for rope-2D
image_token_id: int
adapter_bias: bool = True
def _reshape_for_broadcast(freqs_cis: torch.Tensor,
@ -595,10 +596,10 @@ class VisionLanguageAdapter(nn.Module):
self.w_in = nn.Linear(
args.hidden_size,
dim,
bias=True,
bias=args.adapter_bias,
)
self.gelu = nn.GELU()
self.w_out = nn.Linear(dim, dim, bias=True)
self.w_out = nn.Linear(dim, dim, bias=args.adapter_bias)
def forward(self, x: torch.Tensor) -> torch.Tensor:
return self.w_out(self.gelu(self.w_in(x)))