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Reset epoch for custom sampler and fix add dependency bug for auto static by From00 · Pull Request #66882 · PaddlePaddle/Paddle · GitHub
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Reset epoch for custom sampler and fix add dependency bug for auto static #66882
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Merged
From00
merged 2 commits into
PaddlePaddle:develop
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From00:reset-epoch-for-custom-sampler-in-auto-static
Aug 2, 2024
Merged
Reset epoch for custom sampler and fix add dependency bug for auto static #66882
From00
merged 2 commits into
PaddlePaddle:develop
from
From00:reset-epoch-for-custom-sampler-in-auto-static
Aug 2, 2024
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你的PR提交成功，感谢你对开源项目的贡献! |
deepllz
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LGTM
zhangbo9674
approved these changes
Aug 2, 2024
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PR Category
Auto Parallel
PR Types
Bug fixes
Description
修复以下2个问题：
to_static接口中通过提前读取一次dataloader数据构造input_spec，从而导致sampler的epoch等状态改变。为了消除多load一次数据的影响，原本的逻辑在load结束后对状态进行回滚，但相关代码只适配了框架paddle.io.DistributedBatchSampler，无法处理业务自定义sampler的行为。本PR将回滚逻辑扩展到覆盖所有实现了set_epoch接口的sampler，以解决目前业务遇到的问题。后续针对业务自定义的sampler，需要更通用的用户设计。AddDependencyForSequentialRun函数特殊处理了full_int_array算子，但该代码未考虑full_int_array为网络中第一个算子的情况，在此case下运行会出错异常退出，本PR对该问题进行了修复。Pcard-76459