[AMP] Support amp for Intermediate_dygraph #40623
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Thanks for your contribution! |
zhiqiu
reviewed
Mar 18, 2022
| # def func(): | ||
| # with fluid.dygraph.guard(): | ||
| # model = fluid.dygraph.Conv2D(3, 2, 3, bias_attr=False, act=None) | ||
| # opt = paddle.optimizer.SGD(parameters=model.parameters()) |
| " auto amp_dst_dtype = " | ||
| "egr::GetAmpDestDtype(egr::Controller::Instance().GetCurrentTracer()-" | ||
| ">GetAmpDtype(), " | ||
| "egr::Controller::Instance().GetAMPLevel(), \"%s\", " |
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u can reuse egr::Controller::Instance()
… dev/amp_intermediate
… dev/amp_intermediate
… dev/amp_intermediate
jim19930609
previously approved these changes
Mar 22, 2022
JiabinYang
previously approved these changes
Mar 22, 2022
paddle/fluid/eager/amp_utils.h
Outdated
| inputs_casted.push_back( | ||
| std::move(cast_dygraph_function(input, cast_attrs))); | ||
| } else { | ||
| inputs_casted.push_back(input); |
… dev/amp_intermediate
zhangbo9674
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zhwesky2010
reviewed
Mar 24, 2022
zhwesky2010
approved these changes
Mar 24, 2022
jim19930609
approved these changes
Mar 24, 2022
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Describe
AMP适配动态图中间态
** 1 实现要点：**
（1）动态图 api 中添加 amp 逻辑分支：
cast_dygraph_function得到 casted_inputs（2）实现 amp 公共组件：
GetAmpDestDtype：依据amp参数，获取需要cast的数据类型AmpAutoCast/AmpAutoCasts：将输入数据cast为指定数据类型2 实现效果：
eager_generator.cc中加入amp代码生成逻辑：
** 3 注：**