Fit sharding optimization for auto parallel llama #8021
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Codecov ReportAttention: Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## develop #8021 +/- ##
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- Coverage 56.55% 56.54% -0.01%
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Files 592 592
Lines 91036 91067 +31
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+ Hits 51484 51493 +9
- Misses 39552 39574 +22 ☔ View full report in Codecov by Sentry. |
…nto fit-sharding-optimation-for-auto-llama
ZHUI
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Mar 5, 2024
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有空可以也写一下中文文档，在这里 https://github.com/PaddlePaddle/PaddleNLP/blob/develop/docs/trainer.md?plain=1#L540-L553 先approve了
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PR types
Bug fixes
PR changes
Models
Description
静半Llama组网适配sharding优化相关开关，包括：
data_parallel_config：新增dp相关优化开关，目前支持enable_allreduce_avg_in_gradinent_scale配置，用于使用allreduce_avg通信算子做dp通信同步。框架相关实现PR：PaddlePaddle/Paddle#61622sharding_parallel_config：适配enable_stage1_tensor_fusion、enable_stage1_overlap、enable_stage2_overlap配置，其中enable_stage1_tensor_fusion用于开启sharding通信fusion优化，enable_stage1_overlap和enable_stage2_overlap用于开启sharding通信overlap优化。目前静半下通信fusion和overlap策略均只在stage2下才会起作用，stage1没有相关实现。