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Raise warning instead of error for block offloading with streams #11425

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Merged
merged 1 commit into from
Apr 30, 2025
Merged

Raise warning instead of error for block offloading with streams #11425

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5 changes: 4 additions & 1 deletion src/diffusers/hooks/group_offloading.py
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Original file line number Diff line number Diff line change
Expand Up @@ -499,7 +499,10 @@ def _apply_group_offloading_block_level(
the CPU memory is a bottleneck but may counteract the benefits of using streams.
"""
if stream is not None and num_blocks_per_group != 1:
raise ValueError(f"Using streams is only supported for num_blocks_per_group=1. Got {num_blocks_per_group=}.")
logger.warning(
f"Using streams is only supported for num_blocks_per_group=1. Got {num_blocks_per_group=}. Setting it to 1."
)
num_blocks_per_group = 1

# Create module groups for ModuleList and Sequential blocks
modules_with_group_offloading = set()
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