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Fix using VAE in quantization mode #1090

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@ccssu ccssu commented Aug 23, 2024

Summary by CodeRabbit

  • New Features
    • Introduced a new method for handling VAE models in the booster quantization process, with a warning about current limitations.
  • Bug Fixes
    • Removed outdated checks and simplified backend handling in model processing.

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coderabbitai bot commented Aug 23, 2024

Walkthrough

Recent changes in the codebase involve the removal of conditional logic concerning the OneFlow backend in booster_cache.py, leading to a simplified model processing flow. Additionally, booster_quantization.py has been updated to include a new method for handling the VAE class, with an explicit warning about its quantization limitations. These modifications affect how models interact with different backends and enhance the execute method for VAE instances.

Changes

Files Change Summary
onediff_comfy_nodes/modules/booster_cache.py, onediff_comfy_nodes/modules/oneflow/booster_quantization.py Significant modifications include the removal of OneFlow backend checks and conditional logic in booster_cache.py, and the addition of a new execute method for VAE instances in booster_quantization.py, addressing quantization support.

Poem

🐇 In the code where logic flowed,
A shift occurred, the backends glowed.
With VAE now in focus bright,
Quantization brings new insight.
Hopping forth, the changes cheer,
A simpler path, we hold so dear! 🌟


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Actionable comments posted: 1

Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits

Files that changed from the base of the PR and between 6fe6fdd and df1c9c5.

Files selected for processing (2)
  • onediff_comfy_nodes/modules/booster_cache.py (2 hunks)
  • onediff_comfy_nodes/modules/oneflow/booster_quantization.py (3 hunks)
Additional context used
Ruff
onediff_comfy_nodes/modules/oneflow/booster_quantization.py

135-135: No explicit stacklevel keyword argument found

(B028)

Additional comments not posted (2)
onediff_comfy_nodes/modules/booster_cache.py (1)

54-64: Evaluate the impact of removing OneFlow backend checks.

The removal of OneFlow backend checks simplifies the code but may affect functionality related to caching and backend compatibility. Ensure that this change aligns with the overall architectural goals and does not introduce regressions.

Consider verifying the impact of these changes on the system's behavior, especially in environments where OneFlow might be used.

onediff_comfy_nodes/modules/oneflow/booster_quantization.py (1)

130-139: Ensure the new VAE handling aligns with quantization objectives.

The new method for handling VAE in the execute method is a valuable addition. Ensure that this approach aligns with the overall quantization strategy and does not introduce inconsistencies.

Consider testing the behavior of this method with various VAE models to ensure it functions as expected.

Tools
Ruff

135-135: No explicit stacklevel keyword argument found

(B028)

Comment on lines +130 to +139
@execute.register(VAE)
def _(self, model: VAE, **kwargs):
# TODO: VAE does not support quantization and patch compatibility
from .booster_basic import BasicOneFlowBoosterExecutor

warnings.warn(
"TODO: VAE does not support quantization and patch compatibility",
UserWarning,
)
return BasicOneFlowBoosterExecutor().execute(model, **kwargs)
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Add stacklevel to the warning for better traceability.

The warning about VAE not supporting quantization lacks a stacklevel argument, which could help identify where the warning originates.

Apply this diff to improve the warning:

 warnings.warn(
     "TODO: VAE does not support quantization and patch compatibility",
     UserWarning,
+    stacklevel=2
 )
Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
@execute.register(VAE)
def _(self, model: VAE, **kwargs):
# TODO: VAE does not support quantization and patch compatibility
from .booster_basic import BasicOneFlowBoosterExecutor
warnings.warn(
"TODO: VAE does not support quantization and patch compatibility",
UserWarning,
)
return BasicOneFlowBoosterExecutor().execute(model, **kwargs)
@execute.register(VAE)
def _(self, model: VAE, **kwargs):
# TODO: VAE does not support quantization and patch compatibility
from .booster_basic import BasicOneFlowBoosterExecutor
warnings.warn(
"TODO: VAE does not support quantization and patch compatibility",
UserWarning,
stacklevel=2
)
return BasicOneFlowBoosterExecutor().execute(model, **kwargs)
Tools
Ruff

135-135: No explicit stacklevel keyword argument found

(B028)

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