Made SD3 work with optimized_attention_override

This commit is contained in:
Jedrzej Kosinski
2025-08-28 20:21:14 -07:00
parent 1ddfb5bb14
commit 0ac5c6344f

View File

@@ -606,7 +606,7 @@ def block_mixing(*args, use_checkpoint=True, **kwargs):
return _block_mixing(*args, **kwargs)
def _block_mixing(context, x, context_block, x_block, c):
def _block_mixing(context, x, context_block, x_block, c, transformer_options={}):
context_qkv, context_intermediates = context_block.pre_attention(context, c)
if x_block.x_block_self_attn:
@@ -622,6 +622,7 @@ def _block_mixing(context, x, context_block, x_block, c):
attn = optimized_attention(
qkv[0], qkv[1], qkv[2],
heads=x_block.attn.num_heads,
transformer_options=transformer_options,
)
context_attn, x_attn = (
attn[:, : context_qkv[0].shape[1]],
@@ -637,6 +638,7 @@ def _block_mixing(context, x, context_block, x_block, c):
attn2 = optimized_attention(
x_qkv2[0], x_qkv2[1], x_qkv2[2],
heads=x_block.attn2.num_heads,
transformer_options=transformer_options,
)
x = x_block.post_attention_x(x_attn, attn2, *x_intermediates)
else:
@@ -958,10 +960,10 @@ class MMDiT(nn.Module):
if ("double_block", i) in blocks_replace:
def block_wrap(args):
out = {}
out["txt"], out["img"] = self.joint_blocks[i](args["txt"], args["img"], c=args["vec"])
out["txt"], out["img"] = self.joint_blocks[i](args["txt"], args["img"], c=args["vec"], transformer_options=args["transformer_options"])
return out
out = blocks_replace[("double_block", i)]({"img": x, "txt": context, "vec": c_mod}, {"original_block": block_wrap})
out = blocks_replace[("double_block", i)]({"img": x, "txt": context, "vec": c_mod, "transformer_options": transformer_options}, {"original_block": block_wrap})
context = out["txt"]
x = out["img"]
else:
@@ -970,6 +972,7 @@ class MMDiT(nn.Module):
x,
c=c_mod,
use_checkpoint=self.use_checkpoint,
transformer_options=transformer_options,
)
if control is not None:
control_o = control.get("output")