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mm/mp: always unload re-used but modified models (#10724)

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The partial unloader path in model re-use flow skips straight to the
actual unload without any check of the patching UUID. This means that
if you do an upscale flow with a model patch on an existing model, it
will not apply your patchings.

Fix by delaying the partial_unload until after the uuid checks. This
is done by making partial_unload a model of partial_load where extra_mem
is -ve.
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rattus 2025-11-13 07:19:53 +10:00 committed by GitHub
parent e1d85e7577
commit 18e7d6dba5
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2 changed files with 4 additions and 4 deletions
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3
comfy/model_management.py
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@ -503,10 +503,7 @@ class LoadedModel:
use_more_vram = lowvram_model_memory
if use_more_vram == 0:
use_more_vram = 1e32
if use_more_vram > 0:
self.model_use_more_vram(use_more_vram, force_patch_weights=force_patch_weights)
else:
self.model.partially_unload(self.model.offload_device, -use_more_vram, force_patch_weights=force_patch_weights)
real_model = self.model.model

3
comfy/model_patcher.py
View File

@ -928,6 +928,9 @@ class ModelPatcher:
extra_memory += (used - self.model.model_loaded_weight_memory)
self.patch_model(load_weights=False)
if extra_memory < 0 and not unpatch_weights:
self.partially_unload(self.offload_device, -extra_memory, force_patch_weights=force_patch_weights)
return 0
full_load = False
if self.model.model_lowvram == False and self.model.model_loaded_weight_memory > 0:
self.apply_hooks(self.forced_hooks, force_apply=True)