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[fix] fix detach_output_obj clone;

pull/6065/head
duanjunwen 2024-09-24 08:08:32 +00:00
parent 6c1e1550ae
commit 7e6f793c51
1 changed files with 3 additions and 3 deletions
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6
colossalai/pipeline/schedule/zero_bubble_pp.py
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@ -622,10 +622,10 @@ class ZeroBubbleVPipeScheduler(PipelineSchedule):
else:
# detach output
detached_output_obj = tree_map(detach, output_obj)
# 3-2 clone output
output_obj = tree_map(clone, output_obj)
# 3-2 clone detached_output_obj
detached_output_obj = tree_map(clone, detached_output_obj)
# 3-3 release cloned output.data; release_tensor_data output for bwd b & w; (do not detach output)
# output_obj = tree_map(clone, output_obj)
if model_chunk_id == 1 and self.stage_manager.is_first_stage(ignore_chunk=True):
# We should not release_tensor_data bwd LOSS
pass