Extend memory freeing to other PipelinedForwards #1971
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This pull request was exported from Phabricator. Differential Revision: D57169568 |
Summary: X-link: facebookresearch/recipes#43 As users highlighted, TrainPipeline refactoring introduced memory regression ~2% due to more context management for code readability. This results in higher peak memory (takes longer for a context to drop out of refcount) relatively easy to get a lot more aggressive about releasing memory stored in TrainPipelineContext. broader internal discusion: https://fb.workplace.com/groups/970281557043698/permalink/1664528510952329/ Reviewed By: joshuadeng, henrylhtsang Differential Revision: D57123339 Privacy Context Container: 1203980333745195
Summary: PrefetchTrainPipelineSparseDist - use legacy TrainPipeline API and will refactor newer internals assuming memory neutral / or better. Differential Revision: D57143337
Summary: Biggest win in semi-sync pipeline. Post diff TrainPipelineBase | Runtime (P90): 10.098 s | Memory (P90): 8.418 GB TrainPipelineSparseDist | Runtime (P90): 10.050 s | Memory (P90): 8.655 GB TrainPipelineSemiSync | Runtime (P90): 9.541 s | Memory (P90): 10.332 GB PrefetchTrainPipelineSparseDist | Runtime (P90): 10.063 s | Memory (P90): 8.918 GB Pre diff TrainPipelineBase | Runtime (P90): 10.125 s | Memory (P90): 8.418 GB TrainPipelineSparseDist | Runtime (P90): 10.033 s | Memory (P90): 8.654 GB TrainPipelineSemiSync | Runtime (P90): 9.529 s | Memory (P90): 11.932 GB PrefetchTrainPipelineSparseDist | Runtime (P90): 10.109 s | Memory (P90): 8.910 GB Reviewed By: henrylhtsang Differential Revision: D57169568
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This pull request was exported from Phabricator. Differential Revision: D57169568 |
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Summary:
Biggest win in semi-sync pipeline.
Post diff
TrainPipelineBase | Runtime (P90): 10.098 s | Memory (P90): 8.418 GB
TrainPipelineSparseDist | Runtime (P90): 10.050 s | Memory (P90): 8.655 GB
TrainPipelineSemiSync | Runtime (P90): 9.541 s | Memory (P90): 10.332 GB
PrefetchTrainPipelineSparseDist | Runtime (P90): 10.063 s | Memory (P90): 8.918 GB
Pre diff
TrainPipelineBase | Runtime (P90): 10.125 s | Memory (P90): 8.418 GB
TrainPipelineSparseDist | Runtime (P90): 10.033 s | Memory (P90): 8.654 GB
TrainPipelineSemiSync | Runtime (P90): 9.529 s | Memory (P90): 11.932 GB
PrefetchTrainPipelineSparseDist | Runtime (P90): 10.109 s | Memory (P90): 8.910 GB
Differential Revision: D57169568