Add async sgd document#8474
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Yancey0623 merged 5 commits intoPaddlePaddle:developfrom Feb 28, 2018
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typhoonzero
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Feb 21, 2018
| is_async=False, | ||
| model_average=None, | ||
| gradient_clipping_threshold=None): | ||
| gradient_clipping_threshold=None, |
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Seems these changes broke the CI unit tests
wangkuiyi
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Feb 22, 2018
doc/howto/cluster/cmd_argument_cn.md
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| ## 异步 SGD 更新 | ||
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| 您可以修改 `optimize` 的参数来支持异步SGD更新，示例如下： |
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下文里没有一个叫做 optimize 的参数呀？
doc/howto/cluster/cmd_argument_en.md
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| ## Async SGD Update | ||
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| You can modify the parameters of `optimize` to support Async SGD update, for example: |
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I don't see a parameter named optimize in the following code snippet. Do you mean
We can set some parameters of the optimizer to make it support async SGD update. For example, we can set the
is_asyncandasync_lagged_grad_discard_ratioof theAdaGradoptimizer:
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Thanks, this description is clearer.
| value larger than some value, will be | ||
| clipped. | ||
| :type gradient_clipping_threshold: float | ||
| :param async_lagged_grad_discard_ratio: async sgd gradient commit control, |
| :type gradient_clipping_threshold: float | ||
| :param async_lagged_grad_discard_ratio: async sgd gradient commit control, | ||
| when async_lagged_grad_discard_ratio * num_gradient_servers commit passed, | ||
| current async gradient will be discard silently. |
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will be discard silently
==>
is discarded
| :type gradient_clipping_threshold: float | ||
| :param async_lagged_grad_discard_ratio: async sgd gradient commit control, | ||
| when async_lagged_grad_discard_ratio * num_gradient_servers commit passed, | ||
| current async gradient will be discard silently. |
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current sgd gradient
==>
the current SGD gradient
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Fixed #8268