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Add sgd op #2950

Merged
merged 8 commits into from
Jul 19, 2017
Merged

Add sgd op #2950

merged 8 commits into from
Jul 19, 2017

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jacquesqiao
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@jacquesqiao jacquesqiao requested a review from reyoung July 19, 2017 04:45
AddInput("param", "input parameter");
AddInput("grad", "input gradient");
AddOutput("param_out", "output parameter");
AddAttr<float>("learning_rate", "learning rate of sgd").SetDefault(0.1);
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Do not set a default learning rate, because it should not be set by framework and must be set by user.

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done

const std::vector<framework::Tensor *> &outputs) const override {
PADDLE_ENFORCE(inputs.size() == 2, "Input size of SGDOp must be two");
PADDLE_ENFORCE(outputs.size() == 1, "Output size of SGDOp must be one");
PADDLE_ENFORCE(
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As we discussed before, PADDLE_ENFORCE should not take complex logic

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done

limitations under the License. */

#include <gtest/gtest.h>
#define private public
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no black magic, please.

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removed

self.grad = numpy.random.random((342, 345)).astype("float32")
self.learning_rate = 0.1
self.param_out = self.param - self.learning_rate * self.grad

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seems it is does not finished check?

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By using current op unit test framework, the developer only needs to setUp this variable, the test method is injected by OpTestMeta.

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LGTM, but need use this #2962 to simplify Op class.

@jacquesqiao jacquesqiao merged commit e3b27d1 into PaddlePaddle:develop Jul 19, 2017
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3 participants