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delete useless codes in softmax backward. #3411

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Merged
qingqing01 merged 2 commits into from
Aug 11, 2017
Merged

delete useless codes in softmax backward. #3411

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cac4ad4
delete useless codes in softmax backward.
lcy-seso Aug 11, 2017
936de12
Merge branch 'develop' into delete_useless_codes_in_softmax
lcy-seso Aug 11, 2017
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9 changes: 0 additions & 9 deletions paddle/gserver/activations/ActivationFunction.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -112,7 +112,6 @@ BEGIN_DEFINE_ACTIVATION(softmax)
private:
MatrixPtr sftMaxSum_;
MatrixPtr sftMaxDot_;
MatrixPtr one_;

public:
Error __must_check forward(Argument& act) {
Expand All @@ -138,14 +137,6 @@ Error __must_check backward(Argument& act) {
1,
/* trans */ false,
useGpu(act.deviceId));
if (!one_ || one_->getWidth() != outputG->getWidth()) {
Matrix::resizeOrCreate(one_,
1,
outputG->getWidth(),
/* trans */ false,
useGpu(act.deviceId));
one_->one();
}

sftMaxDot_->dotMul(*outputG, *outputV);
sftMaxSum_->colMerge(*sftMaxDot_);
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