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Made Omnigen 2 work with optimized_attention_override

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Jedrzej Kosinski
2025-08-28 21:30:18 -07:00
parent 8fe2dea297
commit 09c84b31a2
1 changed files with 12 additions and 11 deletions
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23
comfy/ldm/omnigen/omnigen2.py
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@@ -120,7 +120,7 @@ class Attention(nn.Module):
nn.Dropout(0.0)
)
def forward(self, hidden_states: torch.Tensor, encoder_hidden_states: torch.Tensor, attention_mask: Optional[torch.Tensor] = None, image_rotary_emb: Optional[torch.Tensor] = None) -> torch.Tensor:
def forward(self, hidden_states: torch.Tensor, encoder_hidden_states: torch.Tensor, attention_mask: Optional[torch.Tensor] = None, image_rotary_emb: Optional[torch.Tensor] = None, transformer_options={}) -> torch.Tensor:
batch_size, sequence_length, _ = hidden_states.shape
query = self.to_q(hidden_states)
@@ -146,7 +146,7 @@ class Attention(nn.Module):
key = key.repeat_interleave(self.heads // self.kv_heads, dim=1)
value = value.repeat_interleave(self.heads // self.kv_heads, dim=1)
hidden_states = optimized_attention_masked(query, key, value, self.heads, attention_mask, skip_reshape=True)
hidden_states = optimized_attention_masked(query, key, value, self.heads, attention_mask, skip_reshape=True, transformer_options=transformer_options)
hidden_states = self.to_out[0](hidden_states)
return hidden_states
@@ -182,16 +182,16 @@ class OmniGen2TransformerBlock(nn.Module):
self.norm2 = operations.RMSNorm(dim, eps=norm_eps, dtype=dtype, device=device)
self.ffn_norm2 = operations.RMSNorm(dim, eps=norm_eps, dtype=dtype, device=device)
def forward(self, hidden_states: torch.Tensor, attention_mask: torch.Tensor, image_rotary_emb: torch.Tensor, temb: Optional[torch.Tensor] = None) -> torch.Tensor:
def forward(self, hidden_states: torch.Tensor, attention_mask: torch.Tensor, image_rotary_emb: torch.Tensor, temb: Optional[torch.Tensor] = None, transformer_options={}) -> torch.Tensor:
if self.modulation:
norm_hidden_states, gate_msa, scale_mlp, gate_mlp = self.norm1(hidden_states, temb)
attn_output = self.attn(norm_hidden_states, norm_hidden_states, attention_mask, image_rotary_emb)
attn_output = self.attn(norm_hidden_states, norm_hidden_states, attention_mask, image_rotary_emb, transformer_options=transformer_options)
hidden_states = hidden_states + gate_msa.unsqueeze(1).tanh() * self.norm2(attn_output)
mlp_output = self.feed_forward(self.ffn_norm1(hidden_states) * (1 + scale_mlp.unsqueeze(1)))
hidden_states = hidden_states + gate_mlp.unsqueeze(1).tanh() * self.ffn_norm2(mlp_output)
else:
norm_hidden_states = self.norm1(hidden_states)
attn_output = self.attn(norm_hidden_states, norm_hidden_states, attention_mask, image_rotary_emb)
attn_output = self.attn(norm_hidden_states, norm_hidden_states, attention_mask, image_rotary_emb, transformer_options=transformer_options)
hidden_states = hidden_states + self.norm2(attn_output)
mlp_output = self.feed_forward(self.ffn_norm1(hidden_states))
hidden_states = hidden_states + self.ffn_norm2(mlp_output)
@@ -390,7 +390,7 @@ class OmniGen2Transformer2DModel(nn.Module):
ref_img_sizes, img_sizes,
)
def img_patch_embed_and_refine(self, hidden_states, ref_image_hidden_states, padded_img_mask, padded_ref_img_mask, noise_rotary_emb, ref_img_rotary_emb, l_effective_ref_img_len, l_effective_img_len, temb):
def img_patch_embed_and_refine(self, hidden_states, ref_image_hidden_states, padded_img_mask, padded_ref_img_mask, noise_rotary_emb, ref_img_rotary_emb, l_effective_ref_img_len, l_effective_img_len, temb, transformer_options={}):
batch_size = len(hidden_states)
hidden_states = self.x_embedder(hidden_states)
@@ -405,17 +405,17 @@ class OmniGen2Transformer2DModel(nn.Module):
shift += ref_img_len
for layer in self.noise_refiner:
hidden_states = layer(hidden_states, padded_img_mask, noise_rotary_emb, temb)
hidden_states = layer(hidden_states, padded_img_mask, noise_rotary_emb, temb, transformer_options=transformer_options)
if ref_image_hidden_states is not None:
for layer in self.ref_image_refiner:
ref_image_hidden_states = layer(ref_image_hidden_states, padded_ref_img_mask, ref_img_rotary_emb, temb)
ref_image_hidden_states = layer(ref_image_hidden_states, padded_ref_img_mask, ref_img_rotary_emb, temb, transformer_options=transformer_options)
hidden_states = torch.cat([ref_image_hidden_states, hidden_states], dim=1)
return hidden_states
def forward(self, x, timesteps, context, num_tokens, ref_latents=None, attention_mask=None, **kwargs):
def forward(self, x, timesteps, context, num_tokens, ref_latents=None, attention_mask=None, transformer_options={}, **kwargs):
B, C, H, W = x.shape
hidden_states = comfy.ldm.common_dit.pad_to_patch_size(x, (self.patch_size, self.patch_size))
_, _, H_padded, W_padded = hidden_states.shape
@@ -444,7 +444,7 @@ class OmniGen2Transformer2DModel(nn.Module):
)
for layer in self.context_refiner:
text_hidden_states = layer(text_hidden_states, text_attention_mask, context_rotary_emb)
text_hidden_states = layer(text_hidden_states, text_attention_mask, context_rotary_emb, transformer_options=transformer_options)
img_len = hidden_states.shape[1]
combined_img_hidden_states = self.img_patch_embed_and_refine(
@@ -453,13 +453,14 @@ class OmniGen2Transformer2DModel(nn.Module):
noise_rotary_emb, ref_img_rotary_emb,
l_effective_ref_img_len, l_effective_img_len,
temb,
transformer_options=transformer_options,
)
hidden_states = torch.cat([text_hidden_states, combined_img_hidden_states], dim=1)
attention_mask = None
for layer in self.layers:
hidden_states = layer(hidden_states, attention_mask, rotary_emb, temb)
hidden_states = layer(hidden_states, attention_mask, rotary_emb, temb, transformer_options=transformer_options)
hidden_states = self.norm_out(hidden_states, temb)