[Dygraph] Add docs and tutorials of DataParallel #4813
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感谢你贡献飞桨文档，文档预览构建中，Docs-New 跑完后即可预览，预览链接：http://preview-pr-4813.paddle-docs-preview.paddlepaddle.org.cn/documentation/docs/zh/api/index_cn.html |
gongweibao
requested changes
May 22, 2022
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| .. _data_parallel: | |||
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| 数据并行使用手册 | |||
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| 数据并行是深度学习领域最常用的并行方法。如下图(a)所示，在此策略下数据集被平均分为多份，每个卡上保存完整的模型参数并独立处理一份子数据集，以加速模型训练过程。 | ||
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| .. image:: ./img/data_parallel.png |
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| 您将在logs路径下看到2份日志文件，即workerlog.0和workerlog.1；日志中显示如下运行信息： | ||
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| .. code-block:: |
haohongxiang
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[Dygraph] Add docs and tutorials of DataParallel