model_base: support non-dynamic disable cases

This commit is contained in:
Rattus 2026-04-29 17:33:11 +10:00
parent d73b819eda
commit dfdb4071a6
3 changed files with 9 additions and 3 deletions

View File

@ -908,7 +908,7 @@ class LTXAVModel(LTXVModel):
"""Process transformer blocks for LTXAV."""
patches_replace = transformer_options.get("patches_replace", {})
blocks_replace = patches_replace.get("dit", {})
prefetch_queue = comfy.model_prefetch.make_prefetch_queue(list(self.transformer_blocks), vx.device)
prefetch_queue = comfy.model_prefetch.make_prefetch_queue(list(self.transformer_blocks), vx.device, transformer_options)
# Process transformer blocks
for i, block in enumerate(self.transformer_blocks):

View File

@ -210,6 +210,11 @@ class BaseModel(torch.nn.Module):
if "latent_shapes" in extra_conds:
xc = utils.unpack_latents(xc, extra_conds.pop("latent_shapes"))
transformer_options = transformer_options.copy()
transformer_options["prefetch_dynamic_vbars"] = (
self.current_patcher is not None and self.current_patcher.is_dynamic()
)
model_output = self.diffusion_model(xc, t, context=context, control=control, transformer_options=transformer_options, **extra_conds)
if len(model_output) > 1 and not torch.is_tensor(model_output):
model_output, _ = utils.pack_latents(model_output)

View File

@ -57,8 +57,9 @@ def prefetch_queue_pop(queue, device, module):
comfy.model_management.sync_stream(device, offload_stream)
queue[0] = (offload_stream, (prefetch, comfy_modules))
def make_prefetch_queue(queue, device):
if (comfy.model_management.NUM_STREAMS == 0
def make_prefetch_queue(queue, device, transformer_options):
if (not transformer_options.get("prefetch_dynamic_vbars", False)
or comfy.model_management.NUM_STREAMS == 0
or comfy.model_management.is_device_cpu(device)
or not comfy.model_management.device_supports_non_blocking(device)):
return None