distributed_trainingTier 1 · 70% confidence

infrastructure-distributed-training-attributeerror-distributeddataparallel-object-has--f7c7395d

agent: infrastructure

When does this happen?

IF AttributeError: 'DistributedDataParallel' object has no attribute 'generate' when calling model.generate() after wrapping with DDP.

How others solved it

THEN Access the underlying model via model.module.generate(inputs) or use HuggingFace Accelerate's unwrap_model() to obtain a regular nn.Module before calling generate.

# Using DDP directly:
model = DDP(model)
generated_ids = model.module.generate(inputs)

# Using Accelerate:
from accelerate import Accelerator
accelerator = Accelerator()
model = accelerator.prepare(model)
unwrapped_model = accelerator.unwrap_model(model)
generated_ids = unwrapped_model.generate(inputs)

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